Promariner Prosport 20 Plus Gen 3 Heavy Duty Recreational Series On-Board Marine Battery Charger - 20 Amp - 3 Bank

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Promariner Prosport 20 Plus Gen 3 Heavy Duty Recreational Series On-Board Marine Battery Charger - 20 Amp - 3 Bank
Promariner Prosport 20 Plus Gen 3 20 Amp-3 Bank Charger

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

Increased Power & Performance...Heavy Duty Recreational Series On-Board
Marine Battery Charger

ProSport Gen 3 On-Board Marine Battery Chargers incorporate all-digital microprocessor control. Like no other, the ProSport Series provides automatic installation feedback with its exclusive "System Check OK" and individual "Battery Bank Trouble" LED indicators, and also has the most advanced energy saving mode. After fully charging and conditioning batteries, ProSport's Energy Saver Mode will monitor and Auto Maintain batteries only when needed to maintain a full state of charge, resulting in maximum reserve power performance and lower AC power consumption and operating costs.

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.

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.

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

System OK & 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.

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, ProSport automatically reconditions all
batteries on board once a month for maximum battery life and performance.

Distributed-On-Demand™ Technology
Automatically charges and maintains your engine crank battery while
distributing all remaining charging amps to trolling motor or house battery/batteries.

Digital LED Display & Battery Type Selector
LED indicators for charging, conditioning and maintain modes in addition to AC power and selected battery type (2 charge profiles to choose from with a 3rd high performance AGM HP profile on the ProSport20 Dual only).

Built-in Quality & Safety
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.

  • Storage Recondition Mode
  • System OK and Battery Bank Trouble Status
  • Digital LED Display
  • Digital Battery Type Selector (HP AGM cap available on ProSport20 Dual only.)
  • Pre-wired for easy installation

WarningWARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to

Manufacturer Part Number: 43021
More Information
Special Shipping Message Free Ground Shipping*
Manufacturer Part Number: 43021
  • Charger Output - Amps = 20 Amp
  • Charging Banks = 3
  • Portable = No
  • Charger Output Voltage = 12v
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Customer Questions
What’s the size of the charger

The product dimensions are as follows: 12.1"L x 7.25"W x 2.75"D; Wt: 6 lbs

What is the warranty on this charger ?

The Prosport 20 Plus Gen 3 has a 2-year limited warranty through Promariner. Click here for Promariner's warranty information.

Will this charger work with two AGM batteries and one lead acid battery( Cranking battery) ?

This charger is made to charge three batteries at once and would be able to charge the crank battery at same time as the remaining batteries however they MUST be the same type battery.

**Do NOT mix battery types on-board. All batteries should be of the same age and in good operating condition**

Pro sport 20 plus has 3 charging cables What if i only have 2 batteries

Since this is a 3 bank model for the ProSport series, you would need to pick up a model that supports only 2 batteries. You could use the 20amp 2 bank model, which would be the 43020. You can find our listing for the 20amp 2 bank if you click on this...

how long are the connecting leads from the charger

This will come with 6' battery leads. They also make two extenders for them. They have a 5' (PN: 51071) and 15' (PN 51070) extension.

Do these work with lead acid cell batteries?

For use with Flooded (Lead-Acid), AGM and Gel Batteries. Not for use with 4D or 8D large capacity batteries

Is this charger 20 amp per bank?

The product utilizes the Distributed-On-Demand™ Technology. This means the item has a total of 20 amps, but will distribute it to each bank depending on the needed amps to fully charge the battery. It is not restricted to 6 or 7 amps per bank

how long are the leads from charger @goes to batterys

This will have 6' leads.

Is this charger water proof

Yes, the Promariner Prosport 20 Plus Gen 3 is 100% waterproof and saltwater tested.

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Return Policy

Hodges Marine accepts returns for up to thirty (30) days after shipment. Our return policy does not apply to the following goods: Open software, mapping/chart data cards, international orders, freight truck only items, and special order items. These items are not eligible for return, refund or exchange. Shipping charges (if any) are non-refundable. If your return is accepted by Us, We will provide one of the following within a reasonable time: an exchange of merchandise for the item returned, a non-transferable merchandise credit, a credit to the payment card or original method of payment used to pay for the item, a check, or another remedy that we determine in good faith is appropriate in the circumstances. Customer must request a return merchandise authorization (RMA) through the product returns link on our website or by emailing us at [email protected] A RMA number will be issued with instructions for returning the package within a reasonable time (normally 1-3 business days).

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