Best Minn Kota Boat Battery Chargers in 2026

Meet the GEN5X3 - Similar to our GENM3, only better. It's 37% smaller and delivers 43% more power. It's one of the best performing onboard marine battery chargers we have ever made.

Multiple banks - A three-bank onboard battery charger rated a 15-amps - 5-amps per bank - for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries.

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.

3 banks, 5 amps per bank

Multi-stage charging and automatic temperature compensation

Saltwater tested and fully corrosion-resistant

Battery Type Selection: Each charging bank can be selected to your specific battery type (AGM, gel or flooded lead acid) to guarantee a safe, protected charge

Automatic Temperature Compensation: Precision chargers sense and adjust to ambient temperature fluctuations to ensure a fast, accurate charge

Low-Line Voltage Compensation: When outlets don't put out the 120 volts they are supposed to, Precision Chargers compensate to deliver a fast, consistent charge no matter what

Charge-on-the-fly: After the boat's alternator has fully charged the starting battery, this technology will reroute the alternator power to the trolling motor batteries

Battery Protection: extends battery life by protecting your battery from frequent deep discharges

LED Indicator Lights: Inform of charge stage, maintenance mode status, error notifications and full charge

ProSport HD 20A Dual Bank Waterproof Marine Battery Charger (part number 44020) replaces the old ProMariner Gen 3 ProSport 20 (part number 43020)

ProMar Digital Technology: Microprocessor and software controlled charging technology for fast, precise charging

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

Meet the GENPRO10X1 - Similar to our GEN1, only better. It's 41% smaller and delivers 33% more power. It's one of the best performing onboard marine battery chargers we have ever made.

Multiple banks - A one-bank onboard battery charger rated a 10-amps - 10-amps per bank - for 12-volt batteries, including marine, boat, starter, and deep-cycle batteries.

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.

{htmlentities({htmlentities(FCC Compliant and UL listed to marine standard 1236)})}

New

Same Day Shipping on Request

Best Value and Performance in its Class

Battery Type Selection: Each charging bank can be selected to your specific battery type (Lithium (LiFePO4) AGM or flooded lead acid) to guarantee a safe, protected charge

Automatic Temperature Compensation: Precision chargers sense and adjust to ambient temperature fluctuations to ensure a fast, accurate charge

Low-Line Voltage Compensation: When outlets don't put out the 120 volts they are supposed to, Precision Chargers compensate to deliver a fast, consistent charge no matter what

Includes DC charger, rigging instructions and warranty information

Compact design.

Output of up to twenty amps

Output: 12VDC, 40A; Input: 120/230VAC, 7/3.5A

Automatically switches from 115vac or 230vac and 50Hz or 60Hz

Select charging profile for Lead-Acid, AGM, Gel, Spiralcell, Lead Calcium or Lithium-ion

Waterproof, shock- and vibration-resistant aluminum construction

Saltwater tested and fully corrosion-resistant

Short circuit, reverse polarity, arc and ignition protected

Output: 12VDC, 60A; Input: 120/230VAC, 12/6A

Automatically switches from 115vac or 230vac and 50Hz or 60Hz

Select charging profile for Lead-Acid, AGM, Gel, Spiralcell, Lead Calcium or Lithium-ion