Top 10 Onboard Marine Battery Chargers for January 2021

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1
NOCO Genius GENM2, 2-Bank, 8-Amp (4-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer
design_servicesDESIGN
miscellaneous_servicesUTILITY
handymanUSABILITY

NOCO Genius GENM2, 2-Bank, 8-Amp (4-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer

by NOCO
What We like

Saltwater-tested to combat corrosion.

9.9
SCORE
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Product Features

  • Safely charge all types of lead-Acid batteries from 20-120ah, including wet, gel, AGM, and deep-cycle batteries.
  • Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection.
  • Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and NEMA 6p.
  • An 8 amp (4 amp per bank) on-board battery charger for charging and maintaining two 12-volt batteries independently.
  • One of the most advanced battery chargers in its class, which is certified to ul1236, ISO 8846, 33 CFR 183. 410, plus backed by a 5-year.

An 8 amp (4 amp per bank) on-board battery charger for charging and maintaining two 12-volt batteries independently. Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection. Safely charge all types of lead-acid batteries from 20-120ah, including wet, gel, agm, and deep-cycle batteries. Built-in battery desulfator to recover worn-out batteries. One of the most advanced battery chargers in its class, which is certified to ul1236, iso 8846, 33 cfr 183. 410, plus backed by a 5-year. Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and nema 6p.

2
NOCO Genius GEN1, 1-Bank, 10-Amp (10-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer
design_servicesDESIGN
miscellaneous_servicesUTILITY
handymanUSABILITY

NOCO Genius GEN1, 1-Bank, 10-Amp (10-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer

by NOCO
What We like

One of the most advanced battery chargers in its class, which is certified to ul1236, ISO 8846, 33 CFR 183. 410, plus backed by a 5-year.

9.7
SCORE
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Product Features

  • A 10 amp (10 amp per bank) on-board battery charger for charging and maintaining one 12-volt battery.
  • Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and NEMA 6p.
  • Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection.
  • Safely charge all types of lead-Acid batteries from 25-230ah, including wet, gel, AGM, and deep-cycle batteries.

A 10 amp (10 amp per bank) on-board battery charger for charging and maintaining one 12-volt battery. Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and nema 6p. Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection. Safely charge all types of lead-acid batteries from 25-230ah, including wet, gel, agm, and deep-cycle batteries.

3
NOCO Genius GEN5X2, 2-Bank, 10-Amp (5-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger, Battery Maintainer and Battery Desulfator with Temperature Compensation
design_servicesDESIGN
miscellaneous_servicesUTILITY
handymanUSABILITY

NOCO Genius GEN5X2, 2-Bank, 10-Amp (5-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger, Battery Maintainer and Battery Desulfator with Temperature Compensation

by NOCO
What We like

Redefined mounting - A simplified mounting system allows for quick and easy installations in any direction - even up-side-down - with an integrated anti-vibration backing to isolate shock, vibration, and noise.

9.4
SCORE
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Product Features

  • Multiple banks - A two-bank onboard battery charger rated a 10-amps - 5-amps per bank - for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries.
  • Meet the all-new GEN5X2 - Similar to our GENM2, only better. It's 27% smaller and delivers 43% more power. It's one of the best performing onboard marine battery chargers we have ever made.
  • Designed for water - A fully-sealed and waterproof onboard battery charger with an ingress protection rating of IP68, but has survived brutal life cycle testing, including thousands of hours underwater.
  • Fit type: Universal Fit
  • 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.

Multiple banks - a two-bank onboard battery charger rated a 10-amps - 5-amps per bank - for 12-volt batteries, including marine, boat, starter, 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. Fit type: universal fit 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. Charging modes - independently charge and control each battery bank with selectable charging modes - including 12v, 12v agm, 12v lithium, and 12v repair mode - for all types of lead-acid and lithium-ion batteries. Meet the all-new gen5x2 - similar to our genm2, only better. it's 27% smaller and delivers 43% more power. it's one of the best performing onboard marine battery chargers we have ever made. Designed for water - a fully-sealed and waterproof onboard battery charger with an ingress protection rating of ip68, but has survived brutal life cycle testing, including thousands of hours underwater.

4
NOCO Genius GENM1, 1-Bank, 4-Amp (4-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer
design_servicesDESIGN
miscellaneous_servicesUTILITY
handymanUSABILITY

NOCO Genius GENM1, 1-Bank, 4-Amp (4-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer

by NOCO
What We like

One of the most advanced battery chargers in its class, which is certified to UL1236, ISO 8846, 33 CFR 183. 410, plus backed by a 5-year .

9.1
SCORE
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Product Features

  • Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection.
  • A 4 amp (4 amp per bank) on-board battery charger for charging and maintaining one 12-volt battery.
  • Safely charge all types of lead-acid batteries from 20-120Ah, including wet, gel, AGM, and deep-cycle batteries.
  • Rugged and waterproof construction capable of submersion down to 3-meters and rated IP68 and NEMA 6P.

Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and nema 6p. A 4 amp (4 amp per bank) on-board battery charger for charging and maintaining one 12-volt battery. Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection. Safely charge all types of lead-acid batteries from 20-120ah, including wet, gel, agm, and deep-cycle batteries.

5
NOCO Genius GEN2, 2-Bank, 20-Amp (10-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer
design_servicesDESIGN
miscellaneous_servicesUTILITY
handymanUSABILITY

NOCO Genius GEN2, 2-Bank, 20-Amp (10-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer

by NOCO
What We like

One of the most advanced battery chargers in its class, which is certified to UL1236, ISO 8846, 33 CFR 183. 410, plus backed by a 5-year.

8.8
SCORE
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more infoarrow_drop_down

Product Features

  • Rugged and waterproof construction capable of submersion down to 3-meters and rated IP68 and NEMA 6P.
  • A 20 amp (10 amp per bank) on-board battery charger for charging and maintaining two 12-volt batteries independently.
  • Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection.
  • Safely charge all types of lead-acid batteries from 25-230Ah, including wet, gel, AGM, and deep-cycle batteries.

Safely charge all types of lead-acid batteries from 25-230ah, including wet, gel, agm, and deep-cycle batteries. Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and nema 6p. Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection. A 20 amp (10 amp per bank) on-board battery charger for charging and maintaining two 12-volt batteries independently.

6
NOCO Genius GEN3, 3-Bank, 30-Amp (10-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer
design_servicesDESIGN
miscellaneous_servicesUTILITY
handymanUSABILITY

NOCO Genius GEN3, 3-Bank, 30-Amp (10-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer

by NOCO
What We like

Saltwater-tested to combat corrosion.

8.7
SCORE
View Deal on Amazon
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Product Features

  • Charges 2X faster than most marine battery chargers
  • One of the most advanced battery chargers in its class, which is certified to ul1236, ISO 8846, 33 CFR 183. 410, plus backed by a 5-year.
  • A 30 amp (10 amp per bank) on-board battery charger for charging and maintaining three 12-volt batteries independently.
  • Built-in battery desulfator to recover worn-out batteries.
  • Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and NEMA 6p.

Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection. Safely charge all types of lead-acid batteries from 25-230ah, including wet, gel, agm, and deep-cycle batteries. Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and nema 6p. A 30 amp (10 amp per bank) on-board battery charger for charging and maintaining three 12-volt batteries independently. One of the most advanced battery chargers in its class, which is certified to ul1236, iso 8846, 33 cfr 183. 410, plus backed by a 5-year. Built-in battery desulfator to recover worn-out batteries. Charges 2x faster than most marine battery chargers

7
NOCO Genius GEN4, 4-Bank, 40-Amp (10-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer
design_servicesDESIGN
miscellaneous_servicesUTILITY
handymanUSABILITY

NOCO Genius GEN4, 4-Bank, 40-Amp (10-Amp Per Bank) Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer

by NOCO
What We like

One of the most advanced battery chargers in its class, which is certified to UL1236, ISO 8846, 33 CFR 183. 410, plus backed by a 5-year .

8.6
SCORE
View Deal on Amazon
more infoarrow_drop_down

Product Features

  • Rugged and waterproof construction capable of submersion down to 3-meters and rated IP68 and NEMA 6P.
  • Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection.
  • Safely charge all types of lead-acid batteries from 25-230Ah, including wet, gel, AGM, and deep-cycle batteries.
  • A 40 amp (10 amp per bank) on-board battery charger for charging and maintaining four 12-volt batteries independently.

Advanced safety protection featuring spark-proof technology, plus reverse polarity, thermal, ignition, and overcharge protection. Safely charge all types of lead-acid batteries from 25-230ah, including wet, gel, agm, and deep-cycle batteries. A 40 amp (10 amp per bank) on-board battery charger for charging and maintaining four 12-volt batteries independently. Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and nema 6p.

8
ProMariner ProSport 12 Gen 3 Heavy Duty Recreational Series On-Board Marine Battery Charger - 12 Amp - 2 Bank consumer electronics
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miscellaneous_servicesUTILITY
handymanUSABILITY

ProMariner ProSport 12 Gen 3 Heavy Duty Recreational Series On-Board Marine Battery Charger - 12 Amp - 2 Bank consumer electronics

by WorldBrand
What We like

Increased Power & Performance...Heavy Duty Recreational Series On-Board Marine Battery Charger. Compact and rugged extruded aluminum design, dual in-line DC safety fuses for trolling motor and house battery banks. Built-in over-voltage, overload, over-temperature, reverse polarity and ignition protection.

8.1
SCORE
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Product Features

  • ProSport incorporates Distributed-On-Demand Charging technology, taking 100% of the available charging amps and distributing them to any one or combination of all batteries as needed for faster charging.
  • Fully charge and extend the life of your batteries. Automatically charges, conditions and safely maintains all batteries on board for maximum time on the water.
  • ProSport is 100% waterproof and shockproof, weighing 40% lighter than older technology epoxy filled chargers providing cooler operation and greater reliability. Each ProSport model has 4 digitally selectable charge profiles including a once-a-month storage reconditioning mode for extending battery life.
  • Advanced technology eliminates time consuming troubleshooting by clearly indicating system and battery connections are OK or if a fault is present on a specific battery bank.

Fully charge and extend the life of your batteries. automatically charges, conditions and safely maintains all batteries on board for maximum time on the water. Prosport incorporates distributed-on-demand charging technology, taking 100% of the available charging amps and distributing them to any one or combination of all batteries as needed for faster charging. Advanced technology eliminates time consuming troubleshooting by clearly indicating system and battery connections are ok or if a fault is present on a specific battery bank. Prosport is 100% waterproof and shockproof, weighing 40% lighter than older technology epoxy filled chargers providing cooler operation and greater reliability. each prosport model has 4 digitally selectable charge profiles including a once-a-month storage reconditioning mode for extending battery life.

9
ProMariner 43008 Battery Charger Prosport 8 Amp, Multi
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handymanUSABILITY

ProMariner 43008 Battery Charger Prosport 8 Amp, Multi

by MARINCO
What We like

Primary Digital Technology: Microprocessor and software controlled pulse charging technology delivering a 40 percent lighter design than the previous generation of epoxy filled chargers, cooler charger operation and faster charging

8.1
SCORE
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Product Features

  • System OK and Battery Bank Trouble Status Indicators: Advanced technology eliminates time consuming troubleshooting by clearly indicating system and battery connections are OK or if a fault is present on a specific battery bank
  • Energy Saver Mode: After fully charging and conditioning batteries, Pros port's Energy Saver Mode will monitor and Auto Maintain batteries only when needed, maintaining a full state of charge. This significantly reduces AC power consumption, lowers operating costs and maximizes reserve power performance.
  • Digital Multi-Stage Performance Charging: Fully charge and extend the life of your batteries - automatically charges, conditions and safely maintains all batteries on board for maximum time on the water
  • storage Recondition Mode: During short or long-term storage, Pros port automatically reconditions all batteries on board once a month for maximum battery life and performance

Digital multi-stage performance charging: fully charge and extend the life of your batteries - automatically charges, conditions and safely maintains all batteries on board for maximum time on the water Storage recondition mode: during short or long-term storage, pros port automatically reconditions all batteries on board once a month for maximum battery life and performance Energy saver mode: after fully charging and conditioning batteries, pros port's energy saver mode will monitor and auto maintain batteries only when needed, maintaining a full state of charge. this significantly reduces ac power consumption, lowers operating costs and maximizes reserve power performance. System ok and battery bank trouble status indicators: advanced technology eliminates time consuming troubleshooting by clearly indicating system and battery connections are ok or if a fault is present on a specific battery bank

10
ProMariner Prosport 6 Battery Charger, 6 Amp, 12V, Beige (SS-SMS-430068)
design_servicesDESIGN
miscellaneous_servicesUTILITY
handymanUSABILITY

ProMariner Prosport 6 Battery Charger, 6 Amp, 12V, Beige (SS-SMS-430068)

by ProMariner
What We like

Included Components: Owner'S Manual

8.1
SCORE
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