30 Best Battery Charger Tenders
for March 2021

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

1
9.8
SCORE
Battery Tender 5 Amp, 12V Battery Charger, Battery Maintainer: Fully-Automatic Battery Charger for Cars, Trucks, SUVs and More - Smart Automotive Battery Chargers - 022-0186G-DL-WH

Battery Tender 5 Amp, 12V Battery Charger, Battery Maintainer: Fully-Automatic Battery Charger for Cars, Trucks, SUVs and More

Smart Automotive Battery Chargers, 022-0186G-DL-WH

by Deltran
What We like

CONNECT AND FORGET: With a low maintenance design, our universal powersport vehicle charger and maintainer is compact, lightweight, and easy to operate even in small storage space for your convenience

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Product Features

  • 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. Input voltage 120VAC @ 60 Hz
  • MONITOR POWER LEVELS: A solid state two-color LED light indicates the charging status and if the battery voltage drops too far under load, ISM adaptive charging will resume full charger output power. It is UL/CSA, CE and BC approved
  • STAY CHARGED: The powerful 5 amp charger provides a full charge to your automotive vehicles battery before automatically going into float mode to maintain proper voltage levels without overcharging. 5 amps 12 volt charger/maintainer

Stay charged: the powerful 5 amp charger provides a full charge to your automotive vehicles battery before automatically going into float mode to maintain proper voltage levels without overcharging. 5 amps 12 volt charger/maintainer Monitor power levels: a solid state two-color led light indicates the charging status and if the battery voltage drops too far under load, ism adaptive charging will resume full charger output power. it is ul/csa, ce and bc approved 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. input voltage 120vac @ 60 hz

2
9.7
SCORE
Battery Tender 4-Bank: 12V, 1.25 Amp Battery Charger - 12V Battery Charging Bank with 4 Ports - Simultaneously Charges and Maintains Up to Four Batteries - 022-0148-DL-WH

Battery Tender 4-Bank: 12V, 1.25 Amp Battery Charger

12V Battery Charging Bank with 4 Ports, Simultaneously Charges and Maintains Up to Four Batteries, 022-0148-DL-WH

by Deltran
What We like

POWERSPORT COMPATIBLE: First fully automatic, constant current battery charger designed to charge and maintain up to four 12-volt batteries at once for your motorcycle, ATV or UTV, PWC, or scooter

more infoarrow_drop_down

Product Features

  • 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
  • 4 BANK CHARGER: Charge and maintain up to four 12 volt batteries simultaneously, each at its proper storage voltage without the damaging effects that typical trickle chargers can cause by overcharging
  • CONNECT AND FORGET: Cutting edge Battery Management System technology automates the charge for your powersports by fully charging your battery, then goes into float mode to maintain an optimal charge
  • SAFE AND SECURE: Our multiple port battery bank is spark-proof during lead connection and automatically detects reverse polarity via microchip to ensure a correct connection before providing power

Connect and forget: cutting edge battery management system technology automates the charge for your powersports by fully charging your battery, then goes into float mode to maintain an optimal charge 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 4 bank charger: charge and maintain up to four 12 volt batteries simultaneously, each at its proper storage voltage without the damaging effects that typical trickle chargers can cause by overcharging Safe and secure: our multiple port battery bank is spark-proof during lead connection and automatically detects reverse polarity via microchip to ensure a correct connection before providing power

3
9.6
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

  • 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
  • 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

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 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

4
9.6
SCORE
Battery Tender USB Charger Adaptor

Battery Tender USB Charger Adaptor

by Deltran
What We like

Perfect for a charging device for your bike, ATV, etc.

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Product Features

  • Rubber flap protects charger connectors
  • Attaches to existing Battery Tender quick disconnect
  • Quite portable
  • 2.1 amps output

Attaches to existing battery tender quick disconnect Quite portable 2.1 amps output Rubber flap protects charger connectors

5
9.5
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

more infoarrow_drop_down

Product Features

  • 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
  • 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
  • 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

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 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

6
9.5
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

  • 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.
  • 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.
  • 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.

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. 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.

7
9.5
SCORE
Battery Tender 800 022-0150-DL-WH Weatherproof Charger

Battery Tender 800 022-0150-DL-WH Weatherproof Charger

by Battery Tender
What We like

Easy to install and can be mounted on or in the vehicle

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Product Features

  • Waterproof charging for lead acid batteries
  • Prolongs the life of the battery for 2-4 times normal life
  • Vibration resistant
  • Can actually work when fully submerged

Waterproof charging for lead acid batteries Vibration resistant Prolongs the life of the battery for 2-4 times normal life Can actually work when fully submerged

8
9.5
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

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
  • 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
  • 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

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 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 Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life 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

9
9.4
SCORE
CTEK - 40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V (40-206)

CTEK

40-206 MXS 5.0 Fully Automatic 4.3 amp Battery Charger and Maintainer 12V (40-206)

by CTEK
What We like

Premium input and output cable with robust strain relief

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Product Features

  • Unique reconditioning mode, built-in temperature sensing capabilities
  • Input voltage 110-120 VAC
  • Minimum battery voltage required: 2V
  • Completely sealed Unit, spark proof and reverse - polarity protected

Input voltage 110-120 vac Completely sealed unit, spark proof and reverse - polarity protected Minimum battery voltage required: 2v Unique reconditioning mode, built-in temperature sensing capabilities

10
9.2
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

  • 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.
  • 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.
  • Charge dead batteries - Charge batteries as low as 1-volt, including flooded, gel, and AGM, as well as automotive, marine, and deep-cycle batteries.
  • 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.
  • 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. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. 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. 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. 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.

11
9.2
SCORE
Foval Automatic Trickle Battery Charger 12V 1000mA Smart Battery Charger

Foval Automatic Trickle Battery Charger 12V 1000mA Smart Battery Charger

by FOVAL
What We like

It will charge and maintain your battery so that it is ready to go when you are! It's lightweight, fully automatic and easy to use

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Product Features

  • Perfect for all lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell), also Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode)
  • Small size 3.9 x 2.4 x 1.25 in and suitable for Most Vehicles: adapts to all kinds of 12V battery for automobiles, motorcycles, ATVs, personal watercraft, RVs, boats, airplanes, golf carts, back-up generator systems lawn mower, etc, batteries using either the ring or alligator connectors, automatically switches to float, maintenance voltage after fully charging the battery
  • Intuitive LED indicators provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode.

Perfect for all lead-acid, flooded or sealed maintenance free batteries (agm and gel cell), also complete 4-step charging program (initialization, bulk charge, absorption mode, float mode) Intuitive led indicators provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode. Small size 3.9 x 2.4 x 1.25 in and suitable for most vehicles: adapts to all kinds of 12v battery for automobiles, motorcycles, atvs, personal watercraft, rvs, boats, airplanes, golf carts, back-up generator systems lawn mower, etc, batteries using either the ring or alligator connectors, automatically switches to float, maintenance voltage after fully charging the battery

12
9.1
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

  • AC Low voltage compensation ensures maximum performance when used with an extension cord
  • Built-in circuit protection guards against overcharging, reverse polarity, or short circuit; ETL certified for performance and safety
  • 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

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 Ac low voltage compensation ensures maximum performance when used with an extension cord Built-in circuit protection guards against overcharging, reverse polarity, or short circuit; etl certified for performance and safety Charges and maintains 12 volt and 6 volt agm, gel and wet batteries

13
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

  • 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.
  • 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.
  • Restore your battery - Automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life.
  • 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. 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. 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. 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.

14
9
SCORE
Battery Tender Ring Terminal Accessory Cable

Battery Tender Ring Terminal Accessory Cable

by Deltran
What We like

This ring terminal harness includes a 7.5 -amp fuse and is 18 inches in length

more infoarrow_drop_down

Product Features

  • Plugs into all Deltran Battery Tenders
  • Convenient for hard-to-access batteries
  • Adaptor plug is compatible with most heated suits for motorcycles or snowmobiles
  • 18" cord adaptor

Adaptor plug is compatible with most heated suits for motorcycles or snowmobiles 18" cord adaptor Plugs into all Deltran battery tenders Convenient for hard-to-access batteries

15
8.9
SCORE
Adakiit 6/12V 4A Smart Battery Charger/Maintainer Fully Automatic 8-Stages Trickle Charger for Automotive Car Motorcycle Lawn Mower Marine Boat RV ATV Sealed Lead Acid Battery

Adakiit 6/12V 4A Smart Battery Charger/Maintainer Fully Automatic 8-Stages Trickle Charger for Automotive Car Motorcycle Lawn Mower Marine Boat RV ATV Sealed Lead Acid Battery

by Adakiit
What We like

QUALIRY ENSURANCE Battery Maintainer- Updated with battery condition diagnose to detect the defective battery before charge and 72-hour safety features, just get portable 6v 12v trickle charger for car batteries with confidence; Adakiit smart battery charger offer 2-Year quality assurance & 12-Month refund & timely after-sale services.

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Product Features

  • MULTI-PURPOSES BATTERY CHARGER6V and 12V Pb/SLA/VRLA/GEL/AGM lead acid battery charger tender, operated with vulcanization function, Adakiit battery maintainer charger is a great choice for lawn mower, boat, car, motorcycle, ATV, scooter, snowmobile, trucks (small), electric vehicle, electric tools, etc.( 4-120Ah)Used as Trickle Battery Charger as well.UPGRADED WITH 50A FUSE ONTO RING CONNECTORS
  • MULTI SAFETY PROTECTIONS - BATTERY RESCUE & RECOVERThis battery charger offers multi protection against Reverse Polarity, Short Circuit, Over Voltage/Current, Over Charge/Discharge, Overload, Overheat; features Constant Pulse Current Maintenance function to avoid overcharge and discharge; Full-loaded and burn-in test prove its high reliable efficiency, stable performance
  • INTUITIVE LCD SCREEN &INTELLIGENT DETECTIONThe battery charger maintainer provides you status of the charging directly and diagnostic information, even when in maintenance mode.LCD screen displays charging voltage/current, charging mode, battery type and percentage of power remaining. When the charger is turned on, it restores the last settings used, making your life easier. It also automatically detects sulfated batteries and attempts to repair them if possible
  • 8-STAGE SMART CHARGING - FULLY AUTOMATIC BATTERY CHARGER8-stages automatic charging process [ Diagnosis - Desulfation - SoftStart - BulkCharge - Absorbtion - TestMode - Recondition - Float] 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.Perfect for year-round battery maintenance or long-term storage for improved performance and longevity.

Multi-purposes battery charger6v and 12v pb/sla/vrla/gel/agm lead acid battery charger tender, operated with vulcanization function, Adakiit battery maintainer charger is a great choice for lawn mower, boat, car, motorcycle, atv, scooter, snowmobile, trucks (small), electric vehicle, electric tools, etc.( 4-120ah)used as trickle battery charger as well.upgraded with 50a fuse onto ring connectors 8-stage smart charging - fully automatic battery charger8-stages automatic charging process [ diagnosis - desulfation - softstart - bulkcharge - absorbtion - testmode - recondition - float] 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.perfect for year-round battery maintenance or long-term storage for improved performance and longevity. Multi safety protections - battery rescue & recoverthis battery charger offers multi protection against reverse polarity, short circuit, over voltage/current, over charge/discharge, overload, overheat; features constant pulse current maintenance function to avoid overcharge and discharge; full-loaded and burn-in test prove its high reliable efficiency, stable performance Intuitive lcd screen &intelligent detectionthe battery charger maintainer provides you status of the charging directly and diagnostic information, even when in maintenance mode.lcd screen displays charging voltage/current, charging mode, battery type and percentage of power remaining. when the charger is turned on, it restores the last settings used, making your life easier. it also automatically detects sulfated batteries and attempts to repair them if possible

16
8.8
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

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 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

17
8.7
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.

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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.
  • 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.
  • 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. 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. Restore your battery - automatically detects battery sulfation and acid stratification to restore lost battery performance for stronger engine starts and extended battery life. 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 genius2x2 - a two-bank battery charger, battery maintainer, trickle charger, and battery desulfator - the perfect all-in-one solution for battery maintenance. 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.

18
8.7
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
  • Auto voltage detection automatically detects 6 or 12V batteries
  • Includes double-sided adhesive and cable tie for mounting
  • Reverse hook-up protection ensures charger will not operate if clamps are reversed

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

19
8.7
SCORE
Mroinge MBC016 6V / 12V 1A Fully Automatic trickle Battery Charger/maintainer for Automotive Vehicle Motorcycle Lawn Mower ATV RV powersport Boat, Sealed Deep-Cycle AGM Gel Cell Lead Acid Batteries

Mroinge MBC016 6V / 12V 1A Fully Automatic trickle Battery Charger/maintainer for Automotive Vehicle Motorcycle Lawn Mower ATV RV powersport Boat

Sealed Deep-Cycle AGM Gel Cell Lead Acid Batteries

by Mroinge
What We like

Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode) allows for optimization of battery power, without overcharging.

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Product Features

  • Spark proof during lead connection, reverse polarity protection, overcharging / over temperature protection, short-circuit protection, Bad battery identify and power down memory function.
  • Easy connection to motorcycles and vehicle battery using the included battery clips and O-ring terminals, DC cord total length of 12ft.
  • Perfect for charging all 6V and 12V lead-acid, flooded or sealed maintenance free batteries (AGM and GEL cell)

Spark proof during lead connection, reverse polarity protection, overcharging / over temperature protection, short-circuit protection, bad battery identify and power down memory function. Perfect for charging all 6v and 12v lead-acid, flooded or sealed maintenance free batteries (agm and gel cell) Easy connection to motorcycles and vehicle battery using the included battery clips and o-ring terminals, dc cord total length of 12ft.

20
8.6
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

  • [ 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.
  • [ Energy Saving & Spark Free ] - Zero output in standby mode. No battery drain when connecting with the battery. Spark proof during lead connection for 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. [ 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. [ energy saving & spark free ] - zero output in standby mode. no battery drain when connecting with the battery. spark proof during lead connection for 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.

21
8.5
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

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

Reverse hook-up protection prevents the charger from operating if the clamps are reversed 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

22
8.5
SCORE
[2-pack]Foval Automatic Trickle Battery Charger 12V 1000mA Smart Battery Charger

[2-pack]Foval Automatic Trickle Battery Charger 12V 1000mA Smart Battery Charger

by FOVAL
What We like

It will charge and maintain your battery so that it is ready to go when you are! It's lightweight, fully automatic and easy to use

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Product Features

  • Perfect for all lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell), also Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode)
  • Small size 3.9 x 2.4 x 1.25 in and suitable for Most Vehicles: adapts to all kinds of 12V battery for automobiles, motorcycles, ATVs, personal watercraft, RVs, boats, airplanes, golf carts, back-up generator systems lawn mower, etc, batteries using either the ring or alligator connectors, automatically switches to float, maintenance voltage after fully charging the battery
  • Intuitive LED indicators provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode.

Intuitive led indicators provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode. Perfect for all lead-acid, flooded or sealed maintenance free batteries (agm and gel cell), also complete 4-step charging program (initialization, bulk charge, absorption mode, float mode) Small size 3.9 x 2.4 x 1.25 in and suitable for most vehicles: adapts to all kinds of 12v battery for automobiles, motorcycles, atvs, personal watercraft, rvs, boats, airplanes, golf carts, back-up generator systems lawn mower, etc, batteries using either the ring or alligator connectors, automatically switches to float, maintenance voltage after fully charging the battery

23
8.5
SCORE
Amazon Basics Battery Charger 12 Volt 2A

Amazon Basics Battery Charger 12 Volt 2A

by Amazon Basics
What We like

Made of durable plastic material in a sleek red color; includes a fused ring terminal harness; for use indoors, in a garage

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Product Features

  • Plugs into a 120V outlet and outputs 6/12V at 2A; spark proof with reverse polarity protection (will not supply power unless the connection is correct)
  • Compatible with lead acid, absorbed glass mat (AGM), and deep-cycle battery types; fused alligator clips for easily connecting to a battery
  • Battery charger for cars, motorcycles, boats, and more; fully charges and maintains the appropriate storage voltage

Compatible with lead acid, absorbed glass mat (agm), and deep-cycle battery types; fused alligator clips for easily connecting to a battery Battery charger for cars, motorcycles, boats, and more; fully charges and maintains the appropriate storage voltage Plugs into a 120v outlet and outputs 6/12v at 2a; spark proof with reverse polarity protection (will not supply power unless the connection is correct)

24
8.2
SCORE
Optima 150-40000 Digital 400 12V Performance Maintainer and Battery Charger

Optima 150-40000 Digital 400 12V Performance Maintainer and Battery Charger

by Optima
What We like

Dual purpose hook and tilt stand design or hang it with the included wall organizer bracket

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Product Features

  • Works well as a marine battery charger, motorcycle battery charger, or other AGM battery charger.
  • Spark-free connection technology
  • Hybrid LED battery charging gauge with LCD display
  • Automatically maximizes battery life and performance with a built-in battery health mode

Automatically maximizes battery life and performance with a built-in battery health mode Spark-free connection technology Hybrid led battery charging gauge with lcd display Works well as a marine battery charger, motorcycle battery charger, or other agm battery charger.

25
8
SCORE
Mroinge 12V 2A Lead Acid & Lithium(LiFePO4) Automatic Trickle Battery Charger Smart Battery Maintainer for Car Motorcycle Lawn Mower Boat ATV SLA AGM Gel Cell Lithium(LiFePO4) and More Batteries

Mroinge 12V 2A Lead Acid & Lithium(LiFePO4) Automatic Trickle Battery Charger Smart Battery Maintainer for Car Motorcycle Lawn Mower Boat ATV SLA AGM Gel Cell Lithium(LiFePO4) and More Batteries

by Mroinge
What We like

Perfect for charging all 12V lead-acid, flooded, sealed maintenance free batteries (AGM and gel cell) and 12V-Lithium(LiFePO4) up to 85Ah, Safely maintain all types of motorcycle, automotive, marine, RV, Boat, ATV, powersport, lawnmower & garden etc.

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Product Features

  • Multi-level safety protection: spark proof, reverse polarity, overcharging, short-circuit, over-temperature, and dust resistance. with bad battery identify and 12V Lithium(LiFePO4) battery 0V activation function.
  • Adopt 5-stage smart charging and maintains principle (Initialization, Trickle Current, Bulk Charge, Absorption Mode, Float Mode) to ensure maximum battery life and performance, without overcharging.
  • Two battery type options: 12V Lead Acid and 12V Lithium(LiFePO4); Input voltage: 100-120VAC, Output: 12V 2A

Two battery type options: 12v lead acid and 12v lithium(lifepo4); input voltage: 100-120vac, output: 12v 2a Adopt 5-stage smart charging and maintains principle (initialization, trickle current, bulk charge, absorption mode, float mode) to ensure maximum battery life and performance, without overcharging. Multi-level safety protection: spark proof, reverse polarity, overcharging, short-circuit, over-temperature, and dust resistance. with bad battery identify and 12v lithium(lifepo4) battery 0v activation function.

26
7.5
SCORE
Energizer ENC2A ENC2A 2-Amp Battery Charger/Maintainer

Energizer ENC2A ENC2A 2-Amp Battery Charger/Maintainer

by Energizer
What We like

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

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Product Features

  • Automatically switches between charging mode and float mode monitoring
  • Battery maintainer for 6-volt and 12-volt wet lead-acid automotive type batteries
  • ETL listed under UL 1236 and CSA C22.2
  • 7-step high-frequency smart battery charger keeps batteries at optimal charge

7-step high-frequency smart battery charger keeps batteries at optimal charge Battery maintainer for 6-volt and 12-volt wet lead-acid automotive type batteries Etl listed under ul 1236 and csa c22.2 Automatically switches between charging mode and float mode monitoring

27
7.1
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
  • 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 Led indictor will flash if clamps are reversed and charger will not operate Versatile quick-connect harness with 50a clamps, 12v accessory plug or permanent ring connectors Micro processor controlled, fully automatic, 5-stage charging process for precise charging and monitoring batteries

28
7
SCORE
[2-Pack] LEICESTERCN 12V Battery Trickle Charger Maintainer Portable Smart Float Charger for Car Motorcycle Lawn Mower SLA AGM GEL CELL WET Lead Acid Batteries

[2-Pack] LEICESTERCN 12V Battery Trickle Charger Maintainer Portable Smart Float Charger for Car Motorcycle Lawn Mower SLA AGM GEL CELL WET Lead Acid Batteries

by LEICESTERCN
What We like

Intuitive LED Indicator - 12 volt automotive battery maintainer charger provide visual state-of-charge feedback and diagnostic information, even when in maintenance mode. Input 100-240V, ultra-compact and lightweight, easy to carry the 12v battery charger everywhere.

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Product Features

  • 100% Satisfactory Float Charger - You will get 2-Pack awesome trickle chargers for 12 volt batteries with decent package; LST trickle battery charger offer 3-Year quality assurance & 12-Month refund & timely after-sale services.
  • Perfect for all 12V lead-acid, flooded or sealed maintenance free batteries (AGM and gel cell); It's smart car battery charger for automobiles, automotive, marine, boats, camper, trolling motor, RVs, ATVs, watercraft, powersport, riding lawnmower, lawn tractor, snowmobiles, etc.
  • 4-Stage Automatic Charging - Features with detachable ring or alligator connectors, charge and maintain your battery wherever you go; the battery maintenance charger monitor the whole charging process, automatically switches to float mode after fully charging the battery by MCU controlled; LST motorcycle battery charger will recover batteries more effectively and extend the battery life.

4-stage automatic charging - features with detachable ring or alligator connectors, charge and maintain your battery wherever you go; the battery maintenance charger monitor the whole charging process, automatically switches to float mode after fully charging the battery by mcu controlled; lst motorcycle battery charger will recover batteries more effectively and extend the battery life. 100% satisfactory float charger - you will get 2-pack awesome trickle chargers for 12 volt batteries with decent package; lst trickle battery charger offer 3-year quality assurance & 12-month refund & timely after-sale services. perfect for all 12v lead-acid, flooded or sealed maintenance free batteries (agm and gel cell); it's smart car battery charger for automobiles, automotive, marine, boats, camper, trolling motor, rvs, atvs, watercraft, powersport, riding lawnmower, lawn tractor, snowmobiles, etc.

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