Onboard Battery Chargers

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Battery Charger Selection Guide

Find the right battery charger

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      • ProMariner ProSportHD Battery Charger 20 Amp - 3 Bank
        $246.99
        $229.99

        ProMariner ProSportHD Gen 4 Battery Charger 20 Amp - 3 Bank ProSportHD Generation 4 features a tri-surface heat-sink design for a long service life and reliable performance. In addition, its heavy-duty lightweight design delivers significantly faster...

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      • ProMariner ProSportHD Battery Charger 8 Amp - 2 Bank
        $164.69
        $149.99

        ProMariner ProSportHD Gen 4 Battery Charger 8 Amp - 2 Bank ProSportHD Generation 4 boasts a tri-surface heatsink design. This heavy-duty lightweight design delivers significantly faster charging through optimal cooling, while delivering true rated amp...

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      • Image Coming Soon
        $258.49
        $149.99

        Marinco 10A (5/5), 12/24V 2 Bank On-Board Battery Charger ChargePro onboard chargers have the same housing and mounting dimensions as our traditional Charge Pro Guest chargers with a number of performance enhancements. Features/Specs: Charge flooded...

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      • ProMariner ProSportHD Battery Charger 12 Amp - 2 Bank
        $199.99
        $179.99

        ProMariner ProSportHD Gen 4 Battery Charger 12 Amp - 2 Bank ProSportHD Generation 4 boasts a tri-surface heatsink design. This heavy-duty lightweight design delivers significantly faster charging through optimal cooling, while delivering true rated amp...

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      • Guest On-Board Battery Charger - 6A - 1-Bank
        $170.49
        $107.49

        Guest On-Board Battery Charger - 6A - 1-Bank This Guest On-Board Battery Charger - 6A - 1-Bank is completely sealed and epoxy filled. It features non corroding housing for ultimate reliability and a microprocessor controlled for accurate charging. With...

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      • Guest On-Board Battery Charger - 20A - 2-Bank
        $214.99

        Guest On-Board Battery Charger - 20A - 2-Bank Guest On-Board Battery Chargers have been redesigned to provide optimum performance. This charger has dedicated battery charging, sending, and control per bank. Features in-line fuses for maximum DC wire...

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      •  ProMariner ProSportHD Battery Charger 20 Amp - 2 Bank
        $235.49
        $219.99

        ProMariner ProSportHD Gen 4 Battery Charger 20 Amp - 2 Bank ProSportHD Generation 4 boasts a tri-surface heatsink design. This heavy-duty lightweight design delivers significantly faster charging through optimal cooling, while delivering true rated amp...

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      • Guest On-Board Battery Charger - 15A - 3-Bank
        $209.99

        Guest On-Board Battery Charger - 15A - 3-Bank This Guest On-Board Battery Charger - 15A - 3-Bank features individual sensing and control for every bank with easy-to-read graphics that indicate the status of each battery bank through the charging process...

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      • ProMariner ProMar1 DS Battery Charger 10 Amp - 2 Bank
        $176.49
        $149.99

        ProMariner ProMar1 DS Series Battery Charger 10 Amp - 2 Bank ProMar1 DS Generation 3 reflects a new outward design taken to the next level in performance with its all Digital Charging Technology. Fully Automatic with a 4-Stage Digital Charging algorithm...

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      • Blue Sea Mini Add-a-Battery Plus Kit 65Amp
        $293.99
        $244.99

        Blue Sea Systems Mini Add-a-Battery Plus Kit - 65Amp The Blie Sea Systems Mini Add-a-Battery Plus Kit is a small boat battery management system. This kit allows you to charge two batteries at or away from the dock. Usable for alternators up to 65Amp...

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      • RealPRO Series Battery Charger 3 Banks 6 Amps
        $372.99
        $294.99

        Dual Pro RealPro Series Battery Charger 3 Banks 6 Amps Looking for a reliable, safe, and affordable battery? RealPro Series (formerly Recreation Series) is the battery charger that delivers. Engineered for those who need a charging system on a part time...

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      • ProMariner ProSportHD Battery Charger 6 Amp - 1 Bank
        $129.49
        $119.99

        ProMariner ProSportHD Gen 4 Battery Charger 6 Amp - 1 Bank ProSportHD Generation 4 boasts a tri-surface heatsink design. This heavy-duty lightweight design delivers significantly faster charging through optimal cooling, while delivering true rated amp...

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      • Guest On-Board Battery Charger - 30A - 3-Bank
        $389.99

        Guest On-Board Battery Charger - 30A - 3-Bank This Guest On-Board Battery Charger - 30A - 3-Bank is for all 12 volt flooded and AGM lead acid batteries. It features full automatic 5-stage performance charging and an auto-maintain energy saver mode. All...

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      • RealPRO Series Battery Charger 2 Banks 6 Amps
        $274.49
        $202.99

        Dual Pro RealPro Series Battery Charger 2 Banks 6 Amps   Looking for a reliable, safe, and affordable battery? RealPro Series (formerly Recreation Series) is the battery charger that delivers. Engineered for those who need a charging system on...

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      • ProMariner ProMar1 DS Battery Charger 15 Amp - 3 Bank
        $223.49
        $189.99

        ProMariner ProMar1 DS Series Battery Charger 15 Amp - 3 Bank ProMar1 DS Generation 3 reflects a new outward design taken to the next level in performance with its all Digital Charging Technology. Fully Automatic with a 4-Stage Digital Charging algorithm...

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      • Minn Kota MK-210D 2 Bank x 5 Amps
        $179.99
        $131.99

        MK 210D On-Board ChargerON-BOARD MARINE BATTERY CHARGERS.Reengineered with a microprocessor-based design, our all-new digital on-boardchargers protect your battery, charge faster, and help you stay on the water longer.DIGITALLY CONTROLLED. We set out to...

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      • Dual Pro SS3 Sportsman Series Battery Charger 3 Bank 30 Amp
        $691.49
        $476.99

        Dual Pro Sportsman Battery Charger 3 Battery 30 Amp  A smaller, more affordable, and lighter charger is what Sportsman customers asked for. Sportsman put safety and reliability first. Dual Pro Batteries use zero spark technology, are fully...

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      • Marinco 30A, 12/24/36V 3 Bank On-Board Battery Charger
        $580.91
        $406.64

        Marinco 30A (10/10/10), 12/24/36V 3 Bank On-Board Battery Charger - 120V Input ChargePro onboard chargers have the same housing and mounting dimensions as Marinco's traditional Charge Pro Guest chargers with a number of performance enhancements...

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      • Dual Pro SS2 Sportsman Series Battery Charger 2 Bank 20 Amp
        $492.99
        $354.99

        Dual Pro Sportsman Battery Charger 2 Battery 20 Amp  A smaller, more affordable, and lighter charger is what Sportsman customers asked for. Sportsman put safety and reliability first. Dual Pro Batteries use zero spark technology, are fully...

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      • Minn Kota MK-3-DC Triple Bank DC Alternator Charger
        $209.99
        $165.99

        DC Alternator ChargerCharges Three Trolling BatteryLED indicatorsRed = check connection (by battery)Green = alternator power onYellow = charging trolling batteriesTurns off when engine not in useLow profile extruded aluminum enclosureWaterproof and...

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      Boat Onboard Battery Chargers

      There are quite a few battery-powered systems that run on your boat, so it’s important to keep reliable onboard battery chargers around to ensure everything runs smoothly no matter the situation. You can trust that Wholesale Marine carries reliable boat onboard battery chargers that can be interactively controlled by microprocessors for accurate and reliable charging. Every one of them is waterproof and designed to sense the power needs of every component to charge correctly, to prevent overcharging, overheating, open-circuits, short-circuits, reverse polarity, even sparking. Wholesale Marine has done the research and offers the right onboard chargers to meet your boating requirements, so you can rest assured that you’re cruising safely and fully prepared.

      Find The Most Reliable Marine Onboard Battery Chargers

      Wholesale Marine carries a wide variety of onboard chargers that you can trust from brands like Blue Seas, Dual Pro Chargers, Marinco, Minn Kota, ProMariner, and Sea Dog Marine. From the cost-effective Minn Kota MIK-1 DC Single Bank Onboard Alternator Charger, up to Newmar’s Phase Three Series 24-Volt Battery Chargers available in 20-AMp, 45-AMP, 60-AMP, and 95-AMP models, you’ll never be stranded due to power loss again.

      Depending on your boat’s age and how many systems you run on the water, you’ll always have options when shopping for new marine onboard battery chargers. That’s where Wholesale Marine’s team of qualified boat experts come in! Our team of customer service representatives will be happy to talk about product specs so you can find the right fit for your needs. Contact us any Monday through Friday between 8:30 AM and 4:30 PM EST at (877) 388-2628!  Be sure to ask about our Captain’s Club Rewards Program for additional savings on future purchases at Wholesale Marine.