30 Best Battery Maintainers
for March 2021

Recommendations are independently chosen by MOOZ’s editors. Purchases you make through our links may earn us a commission.

1
9.9
SCORE
Battery Tender Junior Charger and Maintainer: Automatic 12V Powersports Battery Charger and Maintainer for Motorcycle, ATVs, and More - Smart 12 Volt, 750mA Battery Float Chargers - 021-0123

Battery Tender Junior Charger and Maintainer: Automatic 12V Powersports Battery Charger and Maintainer for Motorcycle, ATVs, and More

Smart 12 Volt, 750mA Battery Float Chargers, 021-0123

by Deltran
What We like

EASY TO USE: Low maintenance design to be quick and easy to use, our universal powersport vehicle charger and maintainer is compact and lightweight. Perfect for charging all 12-volt lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell) and safety timer-80 hours

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Product Features

  • EXTENDED BATTERY LIFE: Compatible with lead-acid, flooded, and sealed maintenance free batteries (AGM and gel cell) to be ideal for use in long term storage. Complete 4-step charging program (Initialization, Bulk Charge, Float Mode) allows for optimization of battery power, without overcharging
  • MONITOR POWER LEVELS: Solid state two-color LED light indicates the state of the charge and if the battery voltage drops too far under load, ISM adaptive charging will resume full charger output power. Automatic charge cycle functionality switches to float mode after fully charging the battery
  • SAFE AND SECURE: Our battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct. Solid state two color LED indicates stage of charger and if the battery voltage drops too far under load, full charger output power resumes

Monitor power levels: solid state two-color led light indicates the state of the charge and if the battery voltage drops too far under load, ism adaptive charging will resume full charger output power. automatic charge cycle functionality switches to float mode after fully charging the battery Extended battery life: compatible with lead-acid, flooded, and sealed maintenance free batteries (agm and gel cell) to be ideal for use in long term storage. complete 4-step charging program (initialization, bulk charge, float mode) allows for optimization of battery power, without overcharging Safe and secure: our battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct. solid state two color led indicates stage of charger and if the battery voltage drops too far under load, full charger output power resumes

2
9.9
SCORE
NOCO GENIUS2, 2-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

NOCO GENIUS2

2-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

by NOCO
What We like

Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.

more infoarrow_drop_down

Product Features

  • Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
  • Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.
  • Meet the GENIUS2 - Similar to our G1100, just better. It's 34% smaller and delivers 65% more power. It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.

Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, atvs, lawn tractors, trucks, suvs, boats, pwcs, classic cars, and more. Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. a fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, agm, and maintenance-free, plus lithium-ion batteries. Meet the genius2 - similar to our g1100, just better. it's 34% smaller and delivers 65% more power. it's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.

3
9.9
SCORE
Battery Tender Plus Charger and Maintainer: 12V, 1.25 Amp Powersport Battery Charger and Maintainer for Motorcycles, ATVs, UTVs, and More - Smart 12 Volt Automatic Float Chargers by Deltran - 021-0128

Battery Tender Plus Charger and Maintainer: 12V, 1.25 Amp Powersport Battery Charger and Maintainer for Motorcycles, ATVs, UTVs, and More

Smart 12 Volt Automatic Float Chargers by Deltran, 021-0128

by Deltran
What We like

EXTENDED BATTERY LIFE: Compatible with lead-acid, flooded, and sealed maintenance free batteries (AGM and gel cell) and ideal for use in long term storage to provide and maintain an optimal charge

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Product Features

  • STAY CHARGED: The 1.25 amp charger provides a full charge to your powersports battery before automatically switching to float mode to maintain proper voltage levels without overcharging the battery
  • EASY, FAST CHARGING: A low maintenance design to be quick and easy to use even in small storage spaces, our powersport charger and maintainer charges as fast or faster than any 3 amp charger available
  • SAFE AND SECURE: Our battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct, locked-in connection before providing power
  • MONITOR POWER LEVELS: Solid state two-color LED light indicates the state of the charge and if the battery voltage drops too far under load, ISM adaptive charging will resume full charger output power

Monitor power levels: solid state two-color led light indicates the state of the charge and if the battery voltage drops too far under load, ism adaptive charging will resume full charger output power Safe and secure: our battery charger and maintainer is spark-proof during lead connection and automatically detects reverse polarity to ensure a correct, locked-in connection before providing power Easy, fast charging: a low maintenance design to be quick and easy to use even in small storage spaces, our powersport charger and maintainer charges as fast or faster than any 3 amp charger available Stay charged: the 1.25 amp charger provides a full charge to your powersports battery before automatically switching to float mode to maintain proper voltage levels without overcharging the battery

4
9.9
SCORE
NOCO GENIUS10, 10-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

NOCO GENIUS10

10-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

by NOCO
What We like

Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts

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Product Features

  • GENIUS10 - Similar to our G7200, just better. It's 17% smaller and delivers 115% more power. It's the all in one solution battery charger, a battery maintainer, trickle charger, plus battery desulfator
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates
  • Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge

Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, atvs, lawn tractors, trucks, suvs, boats, pwcs, classic cars, and more Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. a fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates Genius10 - similar to our g7200, just better. it's 17% smaller and delivers 115% more power. it's the all in one solution battery charger, a battery maintainer, trickle charger, plus battery desulfator Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, agm, and maintenance-free, plus lithium-ion batteries Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life

5
9.7
SCORE
NOCO GENIUS1, 1-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

NOCO GENIUS1

1-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

by NOCO
What We like

Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.

more infoarrow_drop_down

Product Features

  • Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
  • Meet the GENIUS1 - Similar to our G750, just better. It's 35% smaller and delivers 35% more power. It's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator.
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
  • Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.

Meet the genius1 - similar to our g750, just better. it's 35% smaller and delivers 35% more power. it's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator. Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, agm, and maintenance-free, plus lithium-ion batteries. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, atvs, lawn tractors, trucks, suvs, boats, pwcs, classic cars, and more. Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. a fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.

6
9.6
SCORE
NOCO GENIUS5, 5-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

NOCO GENIUS5

5-Amp Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

by NOCO
What We like

Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.

more infoarrow_drop_down

Product Features

  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.
  • Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
  • Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, ATVs, lawn tractors, trucks, SUVs, boats, PWCs, classic cars, and more.
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.

Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Compatible with all types of vehicles - charge and maintain cars, motorcycles, lawn mowers, atvs, lawn tractors, trucks, suvs, boats, pwcs, classic cars, and more. Meet the genius5 - similar to our g3500, just better. it's 34% smaller and delivers 65% more power. it's the all-in-one solution - battery charger, battery maintainer, trickle charger, plus battery desulfator. Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. a fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge. Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, agm, and maintenance-free, plus lithium-ion batteries.

7
9.5
SCORE
BLACK+DECKER BM3B Fully Automatic 6V/12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals

BLACK+DECKER BM3B Fully Automatic 6V/12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals

by Black & Decker
What We like

Easy connection to vehicle battery using battery clips and O-ring terminals

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Product Features

  • Stops charging automatically when battery is fully charged or topped off, switching to float mode monitoring
  • Charges and maintains 12 volt and 6 volt AGM, GEL and WET batteries
  • Mounting bracket built-in to charger for convenient placement
  • Built-in circuit protection guards against overcharging, reverse polarity, or short circuit; ETL certified for performance and safety
  • AC Low voltage compensation ensures maximum performance when used with an extension cord

Charges and maintains 12 volt and 6 volt agm, gel and wet batteries Stops charging automatically when battery is fully charged or topped off, switching to float mode monitoring Mounting bracket built-in to charger for convenient placement Built-in circuit protection guards against overcharging, reverse polarity, or short circuit; etl certified for performance and safety Ac low voltage compensation ensures maximum performance when used with an extension cord

8
9.5
SCORE
Schumacher SP1297 3 Amp 6V/12V Fully Automatic Smart Battery Charger Maintainer and Auto Desulfator Auto 6V/12V Battery Detection For Cars, Motorcycles, Lawn Tractors, Power Sports, Marine Batteries

Schumacher SP1297 3 Amp 6V/12V Fully Automatic Smart Battery Charger Maintainer and Auto Desulfator Auto 6V/12V Battery Detection For Cars

Motorcycles, Lawn Tractors, Power Sports, Marine Batteries

by Schumacher
What We like

Includes hook attachment to hang outside the work area for safety and convenience

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Product Features

  • Reverse hook-up protection prevents the charger from operating if the clamps are reversed
  • Delivers 3A to charge and maintain your motorcycle, car and marine battery
  • Microprocessor-controlled, with multi-stage charging for added precision, safety, and battery life
  • Float-mode monitoring automatically maintains optimum battery charge

Microprocessor-controlled, with multi-stage charging for added precision, safety, and battery life Delivers 3a to charge and maintain your motorcycle, car and marine battery Float-mode monitoring automatically maintains optimum battery charge Reverse hook-up protection prevents the charger from operating if the clamps are reversed

9
9.5
SCORE
NOCO GENIUS2X2, 2-Bank, 4-Amp (2-Amp Per Bank) Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator with Temperature Compensation

NOCO GENIUS2X2

2-Bank, 4-Amp (2-Amp Per Bank) Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator with Temperature Compensation

by NOCO
What We like

Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.

more infoarrow_drop_down

Product Features

  • Meet the all-new GENIUS2X2 - a two-bank battery charger, battery maintainer, trickle charger, and battery desulfator - the perfect all-in-one solution for battery maintenance.
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
  • Multiple banks - A two-bank battery charger maintainer rated a 4-amps - 2-amps per bank - designed to charge and maintain multiple vehicles like cars, motorcycles, boats, ATVs, RVs, lawn mowers, lawn tractors, trucks, and more.
  • Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.

Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. a fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge. Multiple banks - a two-bank battery charger maintainer rated a 4-amps - 2-amps per bank - designed to charge and maintain multiple vehicles like cars, motorcycles, boats, atvs, rvs, lawn mowers, lawn tractors, trucks, and more. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Meet the all-new genius2x2 - a two-bank battery charger, battery maintainer, trickle charger, and battery desulfator - the perfect all-in-one solution for battery maintenance. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, agm, and maintenance-free, plus lithium-ion batteries.

10
9.4
SCORE
MOTOPOWER MP00205A 12V 800mA Automatic Battery Charger, Battery Maintainer, Trickle Charger, and Battery Desulfator with Timer Protection

MOTOPOWER MP00205A 12V 800mA Automatic Battery Charger

Battery Maintainer, Trickle Charger, and Battery Desulfator with Timer Protection

by MOTOPOWER
What We like

[ Easy for operation ] -Just plug-in, connect to the battery and start charging or maintaining your battery. The desulfation is working automatically during the charing. No manual operation.

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Product Features

  • [ Energy Saving & Spark Free ] - Zero output in standby mode. No battery drain when connecting with the battery. Spark proof during lead connection for safety.
  • [ Multi-level Safety Protection & Timer Set Up ] - Overcharge, short circuit and reverse polarity protected. Charge the battery up to 14.4V and Maintain the battery at 13.6V for long time to avoid gasing and to extend the battery life. 24-hour Timer is set up in the program to terminate the charge and enter the maintaining mode once the voltage is above 14V to ensure safety.
  • [ Charger, Maintainer & Desulfator ] - An all-weather battery charger, battery maintainer, trickle charger, and battery desulfator. Perfect for charging and maintaining all 12-volt lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell). ETL safety standard Listed.
  • [ Automatic Desulfation & Optimization ] - Automatic detection of battery sulfation problem. Applying with pulse current technology to desulfate the batteries effectively. Optimize the battery performance during charging without any manual operation.

[ automatic desulfation & optimization ] - automatic detection of battery sulfation problem. applying with pulse current technology to desulfate the batteries effectively. optimize the battery performance during charging without any manual operation. [ charger, maintainer & desulfator ] - an all-weather battery charger, battery maintainer, trickle charger, and battery desulfator. perfect for charging and maintaining all 12-volt lead-acid, flooded or sealed maintenance free batteries (agm and gel cell). etl safety standard listed. [ energy saving & spark free ] - zero output in standby mode. no battery drain when connecting with the battery. spark proof during lead connection for safety. [ multi-level safety protection & timer set up ] - overcharge, short circuit and reverse polarity protected. charge the battery up to 14.4v and maintain the battery at 13.6v for long time to avoid gasing and to extend the battery life. 24-hour timer is set up in the program to terminate the charge and enter the maintaining mode once the voltage is above 14v to ensure safety.

11
9.3
SCORE
Schumacher SC1300 1.5 Amp 6V/12V Fully Automatic Direct-Mount Onboard Under-the-Hood Smart Battery Charger/Maintainer and Battery Detection for Cars, Motorcycles, Lawn Tractors, Power Sports

Schumacher SC1300 1.5 Amp 6V/12V Fully Automatic Direct-Mount Onboard Under-the-Hood Smart Battery Charger/Maintainer and Battery Detection for Cars

Motorcycles, Lawn Tractors, Power Sports

by Schumacher
What We like

Provides 1.5A to maintain your 6V or 12V battery

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Product Features

  • Microprocessor-controlled, with multi-stage charging for added precision, safety, and battery life
  • Reverse hook-up protection ensures charger will not operate if clamps are reversed
  • Includes double-sided adhesive and cable tie for mounting
  • Auto voltage detection automatically detects 6 or 12V batteries

Microprocessor-controlled, with multi-stage charging for added precision, safety, and battery life Auto voltage detection automatically detects 6 or 12v batteries Reverse hook-up protection ensures charger will not operate if clamps are reversed Includes double-sided adhesive and cable tie for mounting

12
9.3
SCORE
Schumacher SC1359 15 Amp 3 Amp 6V/12V Fully Automatic Smart Battery Charger Maintainer Auto Desulfator Auto 6V/12V Battery Detection For Cars, Trucks, SUVs, Marine, RV Batteries

Schumacher SC1359 15 Amp 3 Amp 6V/12V Fully Automatic Smart Battery Charger Maintainer Auto Desulfator Auto 6V/12V Battery Detection For Cars

Trucks, SUVs, Marine, RV Batteries

by Schumacher
What We like

Features 15A to charge and 3A to maintain your battery

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Product Features

  • Microprocessor-controlled, with multi-stage charging for added precision, safety, and battery life
  • Reverse hook-up protection ensures charger will not operate if clamps are reversed
  • Auto voltage detection automatically detects 6 or 12V batteries
  • Charges compatible battery types, including standard, AGM and deep-cycle batteries

Reverse hook-up protection ensures charger will not operate if clamps are reversed Charges compatible battery types, including standard, agm and deep-cycle batteries Auto voltage detection automatically detects 6 or 12v batteries Microprocessor-controlled, with multi-stage charging for added precision, safety, and battery life

13
9
SCORE
NOCO GENIUS2D, 2-Amp Direct-Mount Onboard Charger, 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

NOCO GENIUS2D

2-Amp Direct-Mount Onboard Charger, 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

by NOCO
What We like

Compatible with all types of vehicles - Add a permanent onboard battery charger to any vehicle to make battery maintenance simple and easy. Plus, combine with any of the GCP Series AC Port Plugs for remote charging access.

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Product Features

  • Charge dead batteries - Charge batteries as low as 1-volt, including flooded, gel, and AGM, as well as automotive, marine, and deep-cycle batteries.
  • Direct-Mount - Securely mounts nearby the battery with its rugged snap-fit mounting bracket and effortlessly installs into most materials with truss-head self-tapping screws.
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
  • Meet the GENIUS2D - The all-new direct-mount onboard battery charger for an under-the-hood battery charging system and year-round battery maintenance.
  • Beyond maintenance - It's not a trickle charger, it's an advanced battery maintainer. It monitors your battery 24/7, providing intuitive and safe maintenance charging with zero overcharge. A fully-automatic, worry-free battery charger for year-round use.

Charge dead batteries - charge batteries as low as 1-volt, including flooded, gel, and agm, as well as automotive, marine, and deep-cycle batteries. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. Direct-mount - securely mounts nearby the battery with its rugged snap-fit mounting bracket and effortlessly installs into most materials with truss-head self-tapping screws. Beyond maintenance - it's not a trickle charger, it's an advanced battery maintainer. it monitors your battery 24/7, providing intuitive and safe maintenance charging with zero overcharge. a fully-automatic, worry-free battery charger for year-round use. Meet the genius2d - the all-new direct-mount onboard battery charger for an under-the-hood battery charging system and year-round battery maintenance. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.

14
9
SCORE
BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with Detachable Alligator Rings Clips Fast Charging Trickle Charger for Car Boat Lawn Mower Marine Sealed Lead Acid Battery

BMK BLUEMICKEY BMK 12V 5A Smart Battery Charger Portable Battery Maintainer with Detachable Alligator Rings Clips Fast Charging Trickle Charger for Car Boat Lawn Mower Marine Sealed Lead Acid Battery

by BMK BLUEMICKEY
What We like

UPGRADED WITH 10A FUSE ONTO RING CONNECTORS & MULTI-PURPOSES DEEP CYCLE BATTERY CHARGERPb/SLA/VRLA/GEL/AGM lead acid battery charger tender, operated with vulcanization function, BMK battery maintainer charger is a great choice for lawn mower, boat, car, motorcycle, electric vehicle, electric tools and emergency battery charging, lightweight(15.87oz) allows you take it to anywhere, used as Trickle Battery Charger as well

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Product Features

  • UPGRADED DEFECTIVE BATTERY DETECT/FAST CHARGING CAR BATTERY BOOSTERUpdated with battery condition diagnose to detect the defective battery before charge. Input 100-240V AC, With 5A DC output current, BMK 12V 5A car battery charger is suitable for charging batteries with 15-100Ah. NOTE: To better tender the battery, please make sure the battery capacity is higher than 15Ah, it can also charge over 100Ah batteries, just more charging time. ETL Certified for performance and safety
  • UPGRADED 72-HOUR SAFETY FEATURES/MULTI SAFETY PROTECTIONS - BATTERY RESCUE & RECOVERUpdated with 72 hours safety feature to commence anytime the charger is onto protect marginal batteries from over charging. Made of high quality ABS, multi-protects of Short Circuit/ OV/ OC/ Overload/ Polarity Reverse, featured with Constant Pulse Current Maintenance function to avoid overcharge and discharge; Full-loaded and burn-in test prove its high reliable efficiency, stable performance
  • 4-STAGE SMART CHARGING - FULLY AUTOMATIC BOAT BATTERY CHARGER 12V battery charger operated with 4 stages automatic charging process by MCU controller, 25%/50%/75%/100% to indicate quantity of electricity and monitor the whole charging progress. Stop automatically when the battery is fully charged. LED indicator designed to display different charging status of the 12v smart charger

4-stage smart charging - fully automatic boat battery charger 12v battery charger operated with 4 stages automatic charging process by mcu controller, 25%/50%/75%/100% to indicate quantity of electricity and monitor the whole charging progress. stop automatically when the battery is fully charged. led indicator designed to display different charging status of the 12v smart charger Upgraded defective battery detect/fast charging car battery boosterupdated with battery condition diagnose to detect the defective battery before charge. input 100-240v ac, with 5a dc output current, bmk 12v 5a car battery charger is suitable for charging batteries with 15-100ah. note: to better tender the battery, please make sure the battery capacity is higher than 15ah, it can also charge over 100ah batteries, just more charging time. etl certified for performance and safety Upgraded 72-hour safety features/multi safety protections - battery rescue & recoverupdated with 72 hours safety feature to commence anytime the charger is onto protect marginal batteries from over charging. made of high quality abs, multi-protects of short circuit/ ov/ oc/ overload/ polarity reverse, featured with constant pulse current maintenance function to avoid overcharge and discharge; full-loaded and burn-in test prove its high reliable efficiency, stable performance

15
8.9
SCORE
Aeiusny 12V Solar Car Battery Trickle Charger&Maintainer 5W Solar Panel Power Kit Portable Backup for Automotive RV Marine Boat Motorcycle Truck Trailer Tractor Powersports Snowmobile Farm Equipment

Aeiusny 12V Solar Car Battery Trickle Charger&Maintainer 5W Solar Panel Power Kit Portable Backup for Automotive RV Marine Boat Motorcycle Truck Trailer Tractor Powersports Snowmobile Farm Equipment

by Aeiusny
What We like

Used for Any Rechargeable 12v Battery Served as a solar battery charger and maintainer, which can safely maintain 12V batteries, such as Wet, Gel, SLA,EFB, AGM and Deep Cycle batteries, etc. Also, perfect for any cars, motorcycle, boat, marine, tractor, RV, snowmobile, truck, etc.

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Product Features

  • Ultra-high Conversion Rate: The 12v solar rechargeable battery adopts the mono-crystalline silicon solar cell to provide 20% high photoelectric conversion rate, convert luminous energy into electric energy and store it in the battery.
  • Portable and Lightweight, Charge Anywhere: The smallest size on the market: 6.6*10 inch, weighs only 0.57lb, you can carry it with you. The charger will generate electricity current to trickle charge battery as long as there is sufficient sunlight available.
  • Charging IndicationThe 5w solar battery charger has indicator lights, when the solar panel is placed in the sun, the indicator light will light up from 20% to 100%. At the same time, a reverse diode is built in to prevent the battery from discharging back to the board at night.

Ultra-high conversion rate: the 12v solar rechargeable battery adopts the mono-crystalline silicon solar cell to provide 20% high photoelectric conversion rate, convert luminous energy into electric energy and store it in the battery. Portable and lightweight, charge anywhere: the smallest size on the market: 6.6*10 inch, weighs only 0.57lb, you can carry it with you. the charger will generate electricity current to trickle charge battery as long as there is sufficient sunlight available. Charging indicationthe 5w solar battery charger has indicator lights, when the solar panel is placed in the sun, the indicator light will light up from 20% to 100%. at the same time, a reverse diode is built in to prevent the battery from discharging back to the board at night.

16
8.8
SCORE
NOCO GENIUS2X4, 4-Bank, 8-Amp (2-Amp Per Bank) Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

NOCO GENIUS2X4

4-Bank, 8-Amp (2-Amp Per Bank) Fully-Automatic Smart Charger, 6V And 12V Battery Charger, Battery Maintainer, Trickle Charger, And Battery Desulfator With Temperature Compensation

by NOCO
What We like

Charge dead batteries - Charges batteries as low as 1-volt. Or use the all-new force mode that allows you to take control and manually begin charging dead batteries down to zero volts.

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Product Features

  • Multiple banks - A four-bank battery charger maintainer rated a 8-amps - 2-amps per bank - designed to charge and maintain multiple vehicles like cars, motorcycles, boats, ATVs, RVs, lawn mowers, lawn tractors, trucks, and more.
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
  • Enjoy precision charging - An integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates.
  • Do more with Genius - Designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, AGM, and maintenance-free, plus lithium-ion batteries.
  • Beyond maintenance - It's not just a trickle charger, it's an advanced battery maintainer. A fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge.

Do more with genius - designed for 6-volt and 12-volt lead-acid automotive, marine, and deep-cycle batteries, including flooded, gel, agm, and maintenance-free, plus lithium-ion batteries. Multiple banks - a four-bank battery charger maintainer rated a 8-amps - 2-amps per bank - designed to charge and maintain multiple vehicles like cars, motorcycles, boats, atvs, rvs, lawn mowers, lawn tractors, trucks, and more. Enjoy precision charging - an integrated thermal sensor detects the ambient temperature and alters the charge to eliminate over-charging in hot climates and under-charging in cold climates. Beyond maintenance - it's not just a trickle charger, it's an advanced battery maintainer. a fully-automatic, worry-free battery charger for everyday use - 24/7 - with zero overcharge. Meet the all-new genius2x4 - similar to our g4, just better. it's 40% smaller and delivers 140% more power. it's the all-in-one 4-bank solution - battery charger, battery maintainer, trickle charger, plus battery desulfator. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.

17
8.7
SCORE
Sunway Solar Panel Car Battery Trickle Charger & Maintainer 5W 12V Solar Power Charger kit Portable Waterproof For Automotive RV Marine Boat Truck Motorcycle Trailer Tractor Powersports Snowmobiles

Sunway Solar Panel Car Battery Trickle Charger & Maintainer 5W 12V Solar Power Charger kit Portable Waterproof For Automotive RV Marine Boat Truck Motorcycle Trailer Tractor Powersports Snowmobiles

by Sunway Solar
What We like

[Stronger and Durable]--This solar powered battery charger is Covered with ultra clear PV glass which is more efficient and also with Durable ABS plastic housing which makes this solar panels charger more stronger. Low Maintenance!

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Product Features

  • [Pug And Play,Simple And Very Easy to Use]--This solar charger will NOT overcharge your battery! The solar panel mounts easily to the windshield or dash and conveniently plugs into your car's 12 volt cigarette lighter! If you need a Quick Connect And Disconnect Extension Cable For this solar charger,Please search the ASIN:B073158Q24.
  • [5Watt Solar Panel with High efficiency solar cell]--Keep your 12V batteries topped off with this High efficiency mono solar battery charger,which helps to manage battery drain in all seasons. Designed to compensate for small, steady battery drains from the vehicle's clock or alarm system.This battery charger will generate solar power to trickle charge battery as long as there is sufficient sunlight available.
  • [Charger & Maintainer For Any Rechargeable 12 Volt Battery]--This solar battery charger is the eco-friendly way to maintain and safely charges Wet, Gel, SLA,AGM and Deep Cycle batteries. It can maintain the charge of any cars, trucks, marines, motorcycles , tractors, ATVs, snowmobiles, boats and personal water crafts or RV 12 volt battery!

[charger & maintainer for any rechargeable 12 volt battery]--this solar battery charger is the eco-friendly way to maintain and safely charges wet, gel, sla,agm and deep cycle batteries. it can maintain the charge of any cars, trucks, marines, motorcycles , tractors, atvs, snowmobiles, boats and personal water crafts or rv 12 volt battery! [5watt solar panel with high efficiency solar cell]--keep your 12v batteries topped off with this high efficiency mono solar battery charger,which helps to manage battery drain in all seasons. designed to compensate for small, steady battery drains from the vehicle's clock or alarm system.this battery charger will generate solar power to trickle charge battery as long as there is sufficient sunlight available. [pug and play,simple and very easy to use]--this solar charger will not overcharge your battery! the solar panel mounts easily to the windshield or dash and conveniently plugs into your car's 12 volt cigarette lighter! if you need a quick connect and disconnect extension cable for this solar charger,please search the asin:b073158q24.

18
8.7
SCORE
Schumacher SC1299 800mAh 12V Fully Automatic Direct Wall-Plug Battery Charger Maintainer For Cars, Motorcycles, Lawn Tractors, Power Sports, Marine Batteries

Schumacher SC1299 800mAh 12V Fully Automatic Direct Wall-Plug Battery Charger Maintainer For Cars

Motorcycles, Lawn Tractors, Power Sports, Marine Batteries

by Schumacher
What We like

Provides 800mAh to maintain your motorcycle, car and marine batteries

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Product Features

  • Multi-stage charging for added precision, safety, and battery life
  • Includes charging status LED
  • Reverse hook-up protection ensures charger will not operate if clamps are reversed
  • Charges compatible battery types, including standard, AGM and gel batteries

Includes charging status led Multi-stage charging for added precision, safety, and battery life Charges compatible battery types, including standard, agm and gel batteries Reverse hook-up protection ensures charger will not operate if clamps are reversed

19
8.7
SCORE
Schumacher SC1355 1.5A 6/12V Fully Automatic Battery Maintainer

Schumacher SC1355 1.5A 6/12V Fully Automatic Battery Maintainer

by Schumacher
What We like

Features 1.5A battery maintaining

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Product Features

  • Charges compatible battery types, including standard, AGM and deep-cycle batteries
  • Auto voltage detection automatically detects 6 or 12V batteries
  • Great for motorcycle, power sport and boat batteries
  • Multi-stage charging for added precision, safety and battery life

Great for motorcycle, power sport and boat batteries Auto voltage detection automatically detects 6 or 12v batteries Charges compatible battery types, including standard, agm and deep-cycle batteries Multi-stage charging for added precision, safety and battery life

20
8.7
SCORE
STANLEY BM1S Fully Automatic 1 Amp 12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals

STANLEY BM1S Fully Automatic 1 Amp 12V Battery Charger/Maintainer with Cable Clamps and O-Ring Terminals

by Stanley
What We like

Easy connection to vehicle battery using battery clips or O-ring terminals

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Product Features

  • Sealed for protection against moisture, dust, and oil
  • Built-in circuit protection guards against overcharging, reverse polarity, or short circuit
  • Stops charging automatically when battery is fully charged or topped off, switching to float mode monitoring
  • Charges and maintains 12 volt batteries in most vehicles using 1 Amp rapid charge

Charges and maintains 12 volt batteries in most vehicles using 1 amp rapid charge Built-in circuit protection guards against overcharging, reverse polarity, or short circuit Sealed for protection against moisture, dust, and oil Stops charging automatically when battery is fully charged or topped off, switching to float mode monitoring

21
8.7
SCORE
BUDDYGO C990 Car Battery Charger and Maintainer, 6Amp Fully Automatic Intelligent Automotive Battery Charger with 3 Charging Stages to Maintain for Automotive and Motorcycle Batteries

BUDDYGO C990 Car Battery Charger and Maintainer

6Amp Fully Automatic Intelligent Automotive Battery Charger with 3 Charging Stages to Maintain for Automotive and Motorcycle Batteries

by BUDDYGO
What We like

Intelligent LCD Digital DisplayBattery chargers Just plug and leave it for charging and maintaining your batteries automatically for long time, LCD displays charging status and battery status,charge current,charge voltage,inside temperature,summer mode,winter mode,etc. Made of first-class ABS, high performance, long service life and high reliability

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Product Features

  • Pulse Repair ModeIntelligent control system, strong pulse repair technology help to repair your slightly damaged batteries and extend battery life. NOTE: It can't activate a dead battery or repair a battery which is damaged seriously; it also can not repair a battery back to 100% new
  • Multiple safety protectionSmart circuits engineered with Digital Display and Multilevel Protections guard against Overcharge, Over-Voltage, Overheat, Over-time Charging and Short Circuit, with intuitive Reverse Polarity LED Indicator. Automatically charged full charge automatically turns off
  • Highly CompatibleFully automatic 7-step car battery charger, suitable for most battery types, including lithium batteries, 12V-24V 6AH-120AH lead-acid batteries (GEL, AGM, WET, SLA, DEEP CYCLE). Diagnose and repair various battery problems, like battery power, power acceleration and internal resistance problems. Widely Used in motorcycles, cars, lawn mowers and more
  • Intelligent CPU ControlWith 4 modes. Please depend on your battery type to choose correct charging mode. Minimum start voltage: 2.0 V, battery range: 6Ah-120Ah. (Lead acid and Lithium batteries need to choose the correct charging mode). Portable battery charger/maintainer automatically detects the outside temperature and starts the winter and summer modes, and automatically selects the appropriate charging voltage according to the temperature

Intelligent cpu controlwith 4 modes. please depend on your battery type to choose correct charging mode. minimum start voltage: 2.0 v, battery range: 6ah-120ah. (lead acid and lithium batteries need to choose the correct charging mode). portable battery charger/maintainer automatically detects the outside temperature and starts the winter and summer modes, and automatically selects the appropriate charging voltage according to the temperature Highly compatiblefully automatic 7-step car battery charger, suitable for most battery types, including lithium batteries, 12v-24v 6ah-120ah lead-acid batteries (gel, agm, wet, sla, deep cycle). diagnose and repair various battery problems, like battery power, power acceleration and internal resistance problems. widely used in motorcycles, cars, lawn mowers and more Multiple safety protectionsmart circuits engineered with digital display and multilevel protections guard against overcharge, over-voltage, overheat, over-time charging and short circuit, with intuitive reverse polarity led indicator. automatically charged full charge automatically turns off Pulse repair modeintelligent control system, strong pulse repair technology help to repair your slightly damaged batteries and extend battery life. note: it can't activate a dead battery or repair a battery which is damaged seriously; it also can not repair a battery back to 100% new

22
8.6
SCORE
DieHard 71219 6/12V Shelf Smart Battery Charger and 2A Maintainer

DieHard 71219 6/12V Shelf Smart Battery Charger and 2A Maintainer

by DieHard
What We like

Features battery maintaining to prevent overcharging, charging will resume if battery becomes discharged

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Product Features

  • Quick connect harness's install fast for hard-to-reach motorcycle batteries
  • Versatile quick-connect harness with 50A clamps, 12V accessory plug or permanent ring connectors
  • LED indictor will flash if clamps are reversed and charger will not operate
  • Micro processor controlled, fully automatic, 5-stage charging process for precise charging and monitoring batteries

Versatile quick-connect harness with 50a clamps, 12v accessory plug or permanent ring connectors Led indictor will flash if clamps are reversed and charger will not operate Quick connect harness's install fast for hard-to-reach motorcycle batteries Micro processor controlled, fully automatic, 5-stage charging process for precise charging and monitoring batteries

23
8.5
SCORE
Automotive Battery Charger and Maintainer 12V 6A / 24V 3A Smart Battery Charger for Car, Motorcycle, Lawn Mower, Truck, Automatic Trickle Charger for Lithium, Lead-Acid, LiFePO4 Battery

MEEARO Automotive Battery Charger and Maintainer 12V 6A / 24V 3A Smart Battery Charger for Car

Motorcycle, Lawn Mower, Truck, Automatic Trickle Charger for Lithium, Lead-Acid, LiFePO4 Battery

What We like

COMPACT, ROBUST & DURABLE - Enhanced ABS case with top grade fire-resistant and water-resitant feature. Perfect for charging and maintaining all 12/24volt lead-acid, flooded or sealed maintenance free batteries (AGM , GEL, SLA and gel cell ect). Ultra-compact and light-weight, easy to carry the charger everywhere.

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Product Features

  • RECOVER ,CHARGE & MAINTAIN - 12V 6A/24V 3A battery charger operated with 7 stages automatic charging process controlled by MCU controller.It applies the pulse charging technology by giving a slight pulse current at the proper stages to boost the battery so as to maximize the battery performance and extend the battery life, not a traditional charger or maintainer.
  • INTUITIVE LCD DISPLAY & TOUCH KEYS - Easy-to-read LCD indication to let you check the charging and battery status, charge voltage, charge current, inside temperature, battery full, summer mode, winter mode, etc. Newest design-touch keys,click when tuching, refuse keys are insensitive to carton.

Intuitive lcd display & touch keys - easy-to-read lcd indication to let you check the charging and battery status, charge voltage, charge current, inside temperature, battery full, summer mode, winter mode, etc. newest design-touch keys,click when tuching, refuse keys are insensitive to carton. Recover ,charge & maintain - 12v 6a/24v 3a battery charger operated with 7 stages automatic charging process controlled by mcu controller.it applies the pulse charging technology by giving a slight pulse current at the proper stages to boost the battery so as to maximize the battery performance and extend the battery life, not a traditional charger or maintainer.

24
8.5
SCORE
TP-solar 10 Watt 12 Volt Solar Panel Car Battery Charger 10W 12V Portable Solar Trickle Battery Maintainer with Cigarette Lighter Plug & Alligator Clip for Car Boat Motorcycle Tractor

TP-solar 10 Watt 12 Volt Solar Panel Car Battery Charger 10W 12V Portable Solar Trickle Battery Maintainer with Cigarette Lighter Plug & Alligator Clip for Car Boat Motorcycle Tractor

by TP-solar
What We like

Lightweight and easy to carry, it weighs only 8.8oz, size 14.5*7.8 inch, and made of waterproof and long lasting material, designed for long term use.

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Product Features

  • Built-in safety protection: Built-in circuit board to prevent your batteries from discharging backwards through your solar panels at night when chargers voltage is lower.
  • It is designed with a indicate light in the junction box, when the solar panel is facing the sunlight, it will light up and shows that the solar panel is charging the battery. Please note the kit is not for charging your dead battery. It is a solar battery maintainer that keeps your battery charged to lengthen its life expectancy.
  • 12 volt DC solar power charger, it is perfect for maintaining batteries of car RV motorcycle boat marine trailer tractor ATVs truck, etc. Designed to maintain the 12V battery at a proper storage voltage with sunlight.
  • Plug and play: Heavy duty 2.1mm x 5.5mm DC plug with extension cord. Male to Female, included cigarette lighter plug in the socket, easy to install even for those have no professional knowledge. No additional much maintenance to the kit, no electricity cost, place the panel facing the direction with the most sunlight possible.

12 volt dc solar power charger, it is perfect for maintaining batteries of car rv motorcycle boat marine trailer tractor atvs truck, etc. designed to maintain the 12v battery at a proper storage voltage with sunlight. It is designed with a indicate light in the junction box, when the solar panel is facing the sunlight, it will light up and shows that the solar panel is charging the battery. please note the kit is not for charging your dead battery. it is a solar battery maintainer that keeps your battery charged to lengthen its life expectancy. Built-in safety protection: built-in circuit board to prevent your batteries from discharging backwards through your solar panels at night when chargers voltage is lower. Plug and play: heavy duty 2.1mm x 5.5mm dc plug with extension cord. male to female, included cigarette lighter plug in the socket, easy to install even for those have no professional knowledge. no additional much maintenance to the kit, no electricity cost, place the panel facing the direction with the most sunlight possible.

25
8.3
SCORE
LEICESTERCN Automatic Trickle Battery Charger Maintainer 12V 750mA Smart Float Charger for Car Motorcycle Lawn Mower Tractor Boat SlA ATV WET AGM GEL Cell Lead Acid Batteries

LEICESTERCN Automatic Trickle Battery Charger Maintainer 12V 750mA Smart Float Charger for Car Motorcycle Lawn Mower Tractor Boat SlA ATV WET AGM GEL Cell Lead Acid Batteries

by LEICESTERCN
What We like

SAFETY PROTECTION & BATTERY RESUE -Just plug and leave it for charging and maintaining your batteries automatically, no worry about overcharge, over voltage and reverse polarity, the battery maintainer charger will extend battery life and recover batteries effectively.

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Product Features

  • 3-STAGE SMART CHARGING - Fully auto CC-CV(H)-CV(F)charging process, the battery maintenance charger monitor the whole charging process, automatically switches to float mode after fully charging the battery.
  • ETL SAFETY CERTIFIED &100% SATISFACTORY FLOAT CHARGER - Certified by ETL, CE, FCC, RoHS, 3-Year quality assurance, hassle-free return or refund for any product issue, 24/7 timely customer service, eliminate all your worries about getting this car battery charger.
  • CHARGE AND MAINTAIN - Charge for all types of 12V lead-acid batteries, including flooded or sealed maintenance free batteries (AGM & gel cell). A smart car battery charger for automotive, motorcycle, marine, RV, Powersport, lawn&garden, children toys, etc.
  • INTUITIVE LED INDICATORS - With Bi-color LED indicator, CHARGING/FULL light yellow:charging, Green: fully charged/floating; REVERSE POLARITY light red: reverse polarity, provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode.

Intuitive led indicators - with bi-color led indicator, charging/full light yellow:charging, green: fully charged/floating; reverse polarity light red: reverse polarity, provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode. Etl safety certified &100% satisfactory float charger - certified by etl, ce, fcc, rohs, 3-year quality assurance, hassle-free return or refund for any product issue, 24/7 timely customer service, eliminate all your worries about getting this car battery charger. 3-stage smart charging - fully auto cc-cv(h)-cv(f)charging process, the battery maintenance charger monitor the whole charging process, automatically switches to float mode after fully charging the battery. Charge and maintain - charge for all types of 12v lead-acid batteries, including flooded or sealed maintenance free batteries (agm & gel cell). a smart car battery charger for automotive, motorcycle, marine, rv, powersport, lawn&garden, children toys, etc.

26
8.1
SCORE
Porsche Charge-o-mat Pro Battery Maintainer and Charger

Porsche Charge-o-mat Pro Battery Maintainer and Charger

What We like

An additional charge mode for Porsche lightweight batteries (lithium-ion) facilitates their use in motor sports

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Product Features

  • European model shown, fits standard U.S. outlets
  • 5 Amp Charger and trickle charger
  • Keeps battery fresh when stored for periods of time
  • The increased charging power reduces the battery's charging time

European model shown, fits standard u.s. outlets 5 amp charger and trickle charger The increased charging power reduces the battery's charging time Keeps battery fresh when stored for periods of time

27
8
SCORE
Gooauti 5-Amp Smart Battery Charger and Maintainer, 6V and 12V Battery Automatic Trickle Charger Supersmart Detection and Desulfator for Cars, Motorcycles, Trucks, Pickups, RV, Lawnmower, and More

Gooauti 5-Amp Smart Battery Charger and Maintainer

6V and 12V Battery Automatic Trickle Charger Supersmart Detection and Desulfator for Cars, Motorcycles, Trucks, Pickups, RV, Lawnmower, and More

by Gooauti
What We like

Quick charging and auto detection- Gooauti battery charger is designed on modern high frequency switching power supply structure, and can charge 6V and 12V lead-acid battery quickly and accurately. When fully charged, it will automatically detect whether the battery needs to be repaired.

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Product Features

  • Maintain your battery- Smart battery charger can extend lead-acid battery service life and improve lead-acid battery performance. It uses powerful pulse repair technology to automatically desulfurize the battery during the charging process. At the same time, it also can manually enter the appropriate repair mode to better maintain your battery.
  • Multiple safety protection- Made of V0 class fire retardant engineering plastics, adopts 16 layer fin-type heat dissipation aluminum sheet and fan, and has multiple security protections, such as over current protection, short circuit protection, overheadt protection, reverse polarity protection, High voltage protection, full of self-stop protection, etc.
  • 8-stages intelligent charing- Built-in intelligent control chip, automatically control the charging process according to the voltage level. Precharging, detection and diagnosis before charing, then enter the pulse recovery charge, constant current charge, constant voltage charge, performance testing, finally trickle charging.
  • High adaptability- Designed for 6V and 12V led-acid battery, such as wet cell, dry charged and maintenance free battery(AGM, GEL, MF, etc). Charge and maintain cars, motorcycles, trucks, pickuos, RV, lawnmower, boats, ATVs, and more. High and low temperature resistance, working temperature:-4 F~123F (-20~50).

Multiple safety protection- made of v0 class fire retardant engineering plastics, adopts 16 layer fin-type heat dissipation aluminum sheet and fan, and has multiple security protections, such as over current protection, short circuit protection, overheadt protection, reverse polarity protection, high voltage protection, full of self-stop protection, etc. Maintain your battery- smart battery charger can extend lead-acid battery service life and improve lead-acid battery performance. it uses powerful pulse repair technology to automatically desulfurize the battery during the charging process. at the same time, it also can manually enter the appropriate repair mode to better maintain your battery. High adaptability- designed for 6v and 12v led-acid battery, such as wet cell, dry charged and maintenance free battery(agm, gel, mf, etc). charge and maintain cars, motorcycles, trucks, pickuos, rv, lawnmower, boats, atvs, and more. high and low temperature resistance, working temperature:-4 f~123f (-20~50). 8-stages intelligent charing- built-in intelligent control chip, automatically control the charging process according to the voltage level. precharging, detection and diagnosis before charing, then enter the pulse recovery charge, constant current charge, constant voltage charge, performance testing, finally trickle charging.

28
7.9
SCORE
Energizer ENC4A ENC4A 4-Amp Battery Charger/Maintainer

Energizer ENC4A ENC4A 4-Amp Battery Charger/Maintainer

by Energizer
What We like

Automatically adjusts the amperage rate to charge and maintain batteries

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Product Features

  • Built-in protection guards against overcharging, reverse polarity, or short circuits
  • LCD display shows status and battery voltage measurement
  • Auto voltage detection between 6-volt and 12-volt batteries
  • 9-step smart battery charger keeps batteries at optimal charge and lasting longer than simple chargers

9-step smart battery charger keeps batteries at optimal charge and lasting longer than simple chargers Built-in protection guards against overcharging, reverse polarity, or short circuits Lcd display shows status and battery voltage measurement Auto voltage detection between 6-volt and 12-volt batteries

29
7.6
SCORE
BYGD 5-Amp Fully Automatic Smart Battery Charger, 6V And 12V Portable Battery Maintainer with LCD Display for Car Motorcycle Boat Lawn Mower(5A)

BYGD 5-Amp Fully Automatic Smart Battery Charger

6V And 12V Portable Battery Maintainer with LCD Display for Car Motorcycle Boat Lawn Mower(5A)

by BYGD
What We like

6 Features Protections: Smart charger provide reverse polarity protection, over-temperature protection, overcharge protection, Short circuit protection, low and higher voltage protection; The charger also comes with spark-proof clamps and a cooling fan.

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Product Features

  • Wide Application: battery charger suitable for car, lawnmower, boat, motorcycle, electric vehicle, electric tools, etc. Note: please read the manual before using it.
  • Environmental characteristics: BYGD battery charger/maintainer has winter mode or low temperatures mode, operating temperature range:-20 to +45, storage temperature range:-30 to +70, the ambient temperature mode providing a more accurate recharge avoiding overcharging in hot weather and undercharging in cold weather.
  • Intelligent Charging: The battery maintainer will automatically switch to the floating mode when the battery is full, the LCD Indicators will show the battery level.
  • One-Touch Charge: Battery clips/O-ring cable. BYGD battery charger connects quickly through SAE cables to the battery. After you connect your battery(AGM, GEL, WET), 6857L battery charger with an LCD screen will automatically Identification your battery voltage, then press the mode button to change mode if you need it.

One-touch charge: battery clips/o-ring cable. BYGD battery charger connects quickly through sae cables to the battery. after you connect your battery(agm, gel, wet), 6857l battery charger with an lcd screen will automatically identification your battery voltage, then press the mode button to change mode if you need it. Environmental characteristics: BYGD battery charger/maintainer has winter mode or low temperatures mode, operating temperature range:-20 to +45, storage temperature range:-30 to +70, the ambient temperature mode providing a more accurate recharge avoiding overcharging in hot weather and undercharging in cold weather. Wide application: battery charger suitable for car, lawnmower, boat, motorcycle, electric vehicle, electric tools, etc. note: please read the manual before using it. Intelligent charging: the battery maintainer will automatically switch to the floating mode when the battery is full, the lcd indicators will show the battery level.

30
7.3
SCORE
TANKPOW 12V 750mA Smart Battery Float Charger And Maintainer,Automatic 12V Powersports Battery Charger And Maintainer For Motorcycle,ATVs,And More, Double LED indicate Charging With Fuse Ring Terminal

TANKPOW 12V 750mA Smart Battery Float Charger And Maintainer

Automatic 12V Powersports Battery Charger And Maintainer For Motorcycle, ATVs, And More, Double LED indicate Charging With Fuse Ring Terminal

by ULTRAPOWER
What We like

WIDELY APPLICABLEBattery maintainer 12 volt 0.75A is perfect for all outdoor types of ATV's, watercraft, motorcycles, boats, or golf carts, back-up generator systems lawn mower, including lead-acid or sealed maintenance free batteries (AGM and gel cell) And very easy to use.

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Product Features

  • SAFE AND SECUREOur trickle charger has polarity reversed protection, OCP protection, OVP protection, output connectors shorted protection, dust protection and matches with very user-friendly design, it doesn't burn after charging for a long time. The 750 mA battery charger maintainer can maintain the battery power of 3Ah ~ 18Ah to 36Ah, restore and activate the deep cycle battery, thereby extending battery life.
  • 3-Stage Charging ProcessThe fully automatic 3-level CC-CV (H) -CV (F) charging process effectively stabilizes the voltage, increases the charging speed, and stabilizes the current to better for optimization of battery power, without overcharging.
  • Compact, Smart & Durable The .75 Amp Smart Battery Charger is Compact size for easy storage. Enhanced plastic case with top grade fire-resistant feature and 7.9-foot 18AWG UL listed cables with SAE quick release connection options: 7.5amp fuse protected Ring Terminals Harness and Fully insulated enhanced 50amp Alligator Clamp Harness to ensure the durability of this 12V Motorcycles Charger.

3-stage charging processthe fully automatic 3-level cc-cv (h) -cv (f) charging process effectively stabilizes the voltage, increases the charging speed, and stabilizes the current to better for optimization of battery power, without overcharging. Compact, smart & durable the .75 amp smart battery charger is compact size for easy storage. enhanced plastic case with top grade fire-resistant feature and 7.9-foot 18awg ul listed cables with sae quick release connection options: 7.5amp fuse protected ring terminals harness and fully insulated enhanced 50amp alligator clamp harness to ensure the durability of this 12v motorcycles charger. Safe and secureour trickle charger has polarity reversed protection, ocp protection, ovp protection, output connectors shorted protection, dust protection and matches with very user-friendly design, it doesn't burn after charging for a long time. the 750 ma battery charger maintainer can maintain the battery power of 3ah ~ 18ah to 36ah, restore and activate the deep cycle battery, thereby extending battery life.

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