Promariner Prosport 20 Plus Gen 2 Heavy Duty Waterproof Battery Charger - 20 Amp - 3 Bank - 12/24/36 Volt
Promariner Prosport 20 Plus Gen 2 20 Amp 3 Bank Hd Charger

ProSport Series
Recreational Sport Fishing & Boating
On-Board Marine Battery Charger


Amps: 20
Banks: 3
Volts: 12/24/36
Cable Size: 6'/6'/6'


Distributed-On-Demand™ Technology

Automatically senses and distributes 100% of available charging amps to any one bank or combination of all banks

Automatica Multi-Stage Charging

Charges and conditions batteries with a built in safe maintenance mode for long and short term storage

Extruded Aluminum Housing

For superior heat transfer and durability

Waterproof and Shock Resistant

Saltwater tested for coastal sportfishing and boating

Lead Acid / Gel Battery Selectable

One time user selector provides optimum charge for either battery type

Dynamic Thermal Output Control

Provides appropriate charging amps to your batteries while maintaining recommended charger temperature

Built-in Protection

Reverse Polarity, Ignition & temperature protection

LED Power and Charge Indicators

At-a-glance power and charging status

Pre-wired for Easy Installation

2 Year Warranty


Manufacturer Part Number: 42021

• Amps - Output = 20A
• Banks = 3
• Battery Type = Lead Acid/Gel/AGM
• Charger Type = Multi-Stage
• Portable = No
• Voltage - Charger Input = 120v
• Voltage - Output (Volts) = 12/24/36v