The ProMariner ProSport HD 20 Gen4 is a three-bank battery charger designed for 12/24/36V systems with a 120V input. Built for boats, RVs, and off-grid setups, it delivers fast, reliable charging across multiple batteries with intelligent, user-friendly operation.
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Three Independent Charging Banks: Simultaneously charge three 12V batteries with one compact unit.
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20 Amps per Bank: High-current charging that maintains battery health with true constant-current delivery.
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DC Voltage Systems: Supports 12/24/36V configurations for versatile battery setups.
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120V Input: Works with standard AC power for widespread use.
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Battery Type Compatibility: Safe for Flooded, Gel, and AGM batteries.
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Distributed-On-Demand Technology: Adaptive charging that prioritizes batteries that need it most, improving overall efficiency.
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Expanded LED Display with Completion Status Gauge: At-a-glance progress and status indicators.
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Heavy-Duty Tri-Surface Extruded Heat Sink: Robust cooling design to maintain peak performance during longer sessions.
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Lightweight, Easy Installation: Design simplifies setup and operation, reducing installation time.
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Auto-Maintain Energy Saver Mode: Protects batteries and reduces power draw when charged or idle.
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Fully Automatic 5-Stage Digital Performance Charging: Optimized charging profile for maximum battery life and performance.
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Versatile Applications: Designed for boats, RVs, and off-grid power systems to meet diverse energy needs.
Effortless multi-battery management: with three independent banks you can charge multiple batteries in parallel, saving time and space. The adaptive Distributed-On-Demand technology prioritizes the banks most in need, delivering faster, more efficient charging. The 5-stage digital charging profile extends battery life by respecting chemistry and staying within safe voltage and current ranges. Energy Saver Mode protects batteries and reduces draw when charging is complete or idle, while the expanded LED display keeps you informed of progress and status. A heavy-duty heat sink keeps temperatures in check during longer charging sessions, ensuring consistent performance. With 12/24/36V support and compatibility with Flooded, Gel, and AGM batteries, this charger fits marine, RV, and off-grid power systems. Lightweight and simple to install, the ProSport HD 20 Gen4 helps you stay powered up with less effort.
| DC Voltage Systems |
12/24/36 |
| Amps |
20 Amps Bank |
| No. of Batteries |
3 |
| 12 V |
Yes |
| Battery Type |
Flooded, Gel, AGM |
