Top 9 On Board Battery Charger 3 Bank – Boat Battery Chargers

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1. Johnson Outdoors

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5 Amps per Bank, Johnson Outdoors MinnKota MK 315D On-Board Battery Charger 3 Banks

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Johnson Outdoors #ad - 3 banks, 5 amps per bank. Digitally controlled microprocessor design protects your batteries so you can stay on the water longer. Three-year warranty. Multi-stage charging and automatic temperature compensation. Saltwater tested and fully corrosion-resistant.
BrandJohnson Outdoors #ad
ManufacturerJohnson Outdoors #ad
Height7 Inches
Length16 Inches
Weight7.08 Pounds
Width8 Inches
Part Number1823155
Model1823155

2. Guest

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2731A, Guest On-Board Battery Charger 30A / 12V; 3 Bank; 120V Input

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Guest #ad - For all 12 volt flooded and AGM lead acid batteries. 12v 30 amp 3 bank on-board battery charger. 2 year warranty. Built-in safety: reverse polarity, over-current, over-voltage, over-temperature and ignition protection. Dedicated battery charging, sensing and control per bank. 100% waterproof ip67 and shock resistant for all fresh and saltwater applications. In-line fuses for maximum DC wire protection.
BrandGuest #ad
ManufacturerGuest #ad
Height8.7 Inches
Length9 Inches
Weight8 Pounds
Width4.1 Inches
Part Number2731A
Model2731A

3. N\C

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ProMariner ProSport 12 Gen 3 Heavy Duty Recreational Series On-Board Marine Battery Charger, 2 Bank Consumer Electronics, 12 Amp

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N\C #ad - Built-in over-voltage, overload, reverse polarity and ignition protection. Prosport is 100% waterproof and shockproof, weighing 40% lighter than older technology epoxy filled chargers providing cooler operation and greater reliability.

Fully charge and extend the life of your batteries. Compact and rugged extruded aluminum design, over-temperature, dual in-line DC safety fuses for trolling motor and house battery banks. Each prosport model has 4 digitally selectable charge profiles including a once-a-month storage reconditioning mode for extending battery life. Increased power & performance. Heavy duty recreational series on-board Marine Battery Charger. 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. Automatically charges, conditions and safely maintains all batteries on board for maximum time on the water.
BrandN\C #ad
ManufacturerWorldBrand #ad
ModelPROM-43012

4. ProMariner

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20 Amp, ProMariner ProSport 20 Plus Gen 3 Heavy Duty Recreational Series On-Board Marine Battery Charger, 3 Bank

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ProMariner #ad - Promariner prosport 20 plus gen 3 heavy duty recreational Series On-Board Marine Battery Charger - 20 Amp - 3 Bank.
BrandProMariner #ad
ManufacturerPromariner #ad
Height6 Inches
Length14.5 Inches
Weight7.8 Pounds
Width8.5 Inches
Part Number43021
Model43021

5. ProMariner

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ProMariner Gen 3 ProSport 20 Amp 12/24/36 Volt 3 Bank Waterproof Marine Battery Charger 43021

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ProMariner #ad - Built-in over-voltage, over-temperature, overload, reverse polarity and ignition protection. During short or long-term storage, ProSport automatically reconditions all batteries on board once a month for maximum battery life and performance.

Compact and rugged aluminum design, dual in-line DC safety fuses for trolling motor and house battery banks. 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. Distributed on demand technology utilizes 100% of the available charging amps and automatically distributes charge amongst all the batteries as needed.

The 12/24/36v, 20 amp, 3 battery bank prosport 20 Plus waterproof battery charger delivers fast efficient charging in a lightweight design. Digital led display and battery type selector: LED indicators for Charging, Conditioning and Auto Maintain modes in addition to AC power and selected battery type. The result is faster, more efficient charging.
BrandProMariner #ad
ManufacturerProMariner #ad
Height8.5 Inches
Length14.5 Inches
Weight8 Pounds
Width6 Inches
Part Number43021
Model43021
Warranty24 Months

6. ProMariner

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8 Amp, ProMariner Prosport 8 Gen 3 Heavy Duty On-Board Marine Battery Charger, 2 Bank

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ProMariner #ad - Built-in quality & Safety. Digital led display & Battery Type Selector. Storage Recondition Mode. System ok & battery bank trouble status Indicators. Distributed-on-Demand Technology. Prosport 8 gen 3 heavy duty recreational Series On-Board Marine Battery Charger - 8 Amp - 2 Bank. Pre-wired for easy installation. Prosport is 100% waterproof and shockproof, weighing 40% lighter.
BrandProMariner #ad
ManufacturerProMariner #ad
Part NumberPROMA-43008
ModelPROMA-43008

7. Noco Genius

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12-Amp 4-Amp Per Bank Fully-Automatic Smart Marine Charger, 12V Onboard Battery Charger And Battery Maintainer, NOCO Genius GENM3, 3-Bank

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Noco Genius #ad - A 12 amp 4 amp per bank on-board battery charger for charging and maintaining three 12-volt batteries independently. Rugged and waterproof construction capable of submersion down to 3-meters and rated ip68 and NEMA 6p.

One of the most advanced battery chargers in its class, 33 CFR 183. Safely charge all types of lead-acid batteries from 20-120ah, gel, including wet, AGM, and deep-cycle batteries.4410, iso 8846, which is certified to ul1236, plus backed by a 5-year. Advanced safety protection featuring spark-proof technology, ignition, plus reverse polarity, thermal, and overcharge protection.
BrandNoco Genius #ad
ManufacturerNOCO #ad
Height6.38 Inches
Length11.26 Inches
Weight8.6 Pounds
Width9.92 Inches
Part NumberGENM3
ModelGENM3
Warranty3-Year Limited

8. Minn Kota

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New Precision On-board Digital Battery Chargers minn Kota 1833180 Model MK 318PC Banks 3 Amps per Bank 6 18A 9.25" L x 8.25" W x 3" H

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Minn Kota #ad - Best value and Performance in its Class. Same day Shipping on Request. Complimentary white glove Service - Just-Ask-We-Take-Care-of-It. 15-years as premier solution provider. New.
BrandMinn Kota #ad
ManufacturerMINN KOTA #ad
Height5.25 Inches
Length17 Inches
Weight15.6 Pounds
Width15 Inches
Part Number1833180
ModelMINN KOTA

9. ProMariner

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20 Amp, ProMariner 44021 ProMariner ProSport HD Waterproof Marine Battery Charger, 3 Bank

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ProMariner #ad - Heavy duty tri-surface extruded heat sink design: Upper, lower and rear facing heat sink design for optimal cooling while delivering true rated constant current charging amps during its two charge mode.

Expanded led display with completion status gauge: led fuel gauge style completion status. Prosport hd 20a triple bank waterproof marine battery charger Part Number 44021 replaces the old ProMariner Gen 3 ProSport 20 plus part number 43021. Four color multi-stage mode LED status bar. Promar digital technology: Microprocessor and software controlled charging technology for fast, precise charging. Multi-stage charge mode, system Check OK, individual Battery Status and Battery Type indication. Distributed-on-demand technology: 100% of all available charging amps are utilized by distributing unused charging amps to any one or combination of all batteries as needed.
BrandProMariner #ad
ManufacturerProMariner #ad
Height6.3 Inches
Length16.4 Inches
Width8.7 Inches
Part Number44021
Model44021