Top 10 Onboard Battery Chargers for January 2021

Last Updated On December 18, 2020

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

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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

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.
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.

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. 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. 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.

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

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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.

9.5

SCORE

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Product Features

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.
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.

A 10 amp (10 amp per bank) on-board battery charger for charging and maintaining one 12-volt battery. Safely charge all types of lead-acid batteries from 25-230ah, 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.

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

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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 .

9.4

SCORE

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Product Features

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.
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.

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. Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and nema 6p. Safely charge all types of lead-acid batteries from 20-120ah, including wet, gel, agm, and deep-cycle batteries.

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

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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.

9.2

SCORE

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Product Features

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.
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.
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.
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.
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.

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. 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. 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. 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.

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

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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.

8.9

SCORE

View Deal on Amazon

more infoarrow_drop_down

Product Features

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 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. A 20 amp (10 amp per bank) on-board battery charger for charging and maintaining two 12-volt batteries independently. 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.

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

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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.

8.6

SCORE

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Product Features

Built-in battery desulfator to recover worn-out batteries.
A 30 amp (10 amp per bank) on-board battery charger for charging and maintaining three 12-volt batteries independently.
Safely charge all types of lead-Acid batteries from 25-230ah, including wet, gel, AGM, and deep-cycle 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.
Charges 2X faster than most marine battery chargers

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. 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. Built-in battery desulfator to recover worn-out batteries.

Marinco 28210 10A 2-Bank On-Board Battery Charger - 12/24V Electronics Accessories

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Marinco 28210 10A 2-Bank On-Board Battery Charger

12/24V Electronics Accessories

by Marinco

What We like

15-Years as premier solution provider

7.7

SCORE

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Product Features

Same Day Shipping on Request
Complimentary White Glove Service - Just-Ask-We-Take-Care-of-It
Best Value and Performance in its Class
New

New Complimentary white glove service - just-ask-we-take-care-of-it Best value and performance in its class Same day shipping on request

ProMariner 43012 ProSport 12 12 Amp, 12/24 Volt, 2 Bank Generation 3 Battery Charger

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ProMariner 43012 ProSport 12 12 Amp

12/24 Volt, 2 Bank Generation 3 Battery Charger

by MARINCO

What We like

Distributed-On-Demand Technology

7.7

SCORE

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Product Features

Storage Recondition Mode
Energy Saver Mode
Built-in Quality and Safety

Built-in quality and safety Storage recondition mode Energy saver mode

Marinco ChargePro 6-Amp 1 Bank 12V Waterproof Battery Charger

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Marinco ChargePro 6-Amp 1 Bank 12V Waterproof Battery Charger

by Marinco Electrical Group

What We like

Sense-Send technology senses the power needs of each battery and sends correct charge

7.7

SCORE

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Product Features

Universal input 120/230V input for go-anywhere freedom
Microprocessor controlled for accurate charging
Charge flooded, AGM or Gel batteries
Replaces Guest 2608A
Intuitive operation

Universal input 120/230v input for go-anywhere freedom Intuitive operation Microprocessor controlled for accurate charging Charge flooded, agm or gel batteries Replaces guest 2608a

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

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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 .

7.1

SCORE

View Deal on Amazon

more infoarrow_drop_down

Product Features

A 40 amp (10 amp per bank) on-board battery charger for charging and maintaining four 12-volt batteries independently.
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.

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