ProMariner ProSport HD 20 Gen4 20 Amp Battery Charger 12/24/36v 3 Bank 120v Input
The ProMariner ProSport HD 20 Gen4 provides 20-amp charging with three banks, 120-volt input, and 12/24/36-volt compatibility. Its multi-bank design helps replenish separate battery groups, supporting reliable starting power and organized onboard electrical management.
ProMariner ProSport HD 20 Charger
| Brand | ProMariner |
| SKU | 44020 |
| Output Current | 20 Amps |
| Isolated Banks | 3 Banks |
| DC Voltage | 12V, 24V, 36V (Distributed) |
| Input Voltage | 110-120V AC (Fixed) |
| Battery Types | AGM, Gel, Flooded (Lead-Acid Only) |
| Algorithm | Microprocessor Controlled Multi-Stage |
| Absorption/Float | 14.6V / 13.4V (Per 12V Bank) |
| Efficiency | >85% |
| IP Rating | IP67 (100% Waterproof) |
| Ignition Protected | SAE J1171 / ISO 8846 |
| Communication | LED Charge Indicators |
| Temp Compensation | Dynamic Thermal Sense |
| Safety Protections | Short Circuit, Reverse Polarity, Ignition Protection |
| Cooling | Extruded Aluminum Heat Sink (Fan-less) |
| Dimensions | 302 x 195 x 74 mm (11.9x7.7x2.9") |
| Weight | 3.6 kg (8 lbs) |
| Certifications | UL 1236 Marine, FCC Class A |
| Application | Bass Boats, Trolling Motors, Center Consoles |











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