Introducing the ProMariner ProSport HD 20 Gen4 20 Amp Battery Charger (Model 44020), a rugged 12/24V, 2-bank charging powerhouse built for boats, RVs, and demanding battery banks. With microprocessor-based control and Gen4 technology, it delivers fast, precise charging while protecting and extending battery life.
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Smart power distribution: 100% of available charging amps are allocated efficiently by dynamically distributing unused amps to any one or multiple batteries as needed.
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Advanced cooling: Tri-surface heat sink design (upper, lower and rear) ensures optimal cooling while delivering true rated current in both charge modes.
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Clear status indicators: Fuel gauge–style completion monitor and a four-color multi-stage LED status bar provide at-a-glance insights into charging progress and battery health.
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5-stage automatic charging: Analyze, charge, condition, auto-maintain, and monthly reconditioning during storage to fully charge and extend battery life.
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Energy efficient operation: Auto-maintain activates only when needed, reducing AC power consumption and keeping batteries ready without waste.
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Robust safety features: Dual inline waterproof fuses, plus reverse polarity, over-temperature, over-current, over-voltage and ignition protection for reliable marine-grade use.
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Battery compatibility: Supports Group 24–31 Flooded, AGM, HP AGM, and GEL batteries; HP AGM profile available on ProSport HD 20 Dual only.
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Lightweight and compact: Up to 40% lighter than epoxy-filled chargers; compact 7.9" x 12.8" x 2.9" footprint and just 7.2 lbs.
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Certified safety: Marine UL 1236 certified; CEC and DOE listed; FCC Class B compliant.
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Ready to use: Pre-wired with 6' AC and 6' DC cables; rugged jacketed cables with molded strain reliefs for tough environments.
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Warranty: 3-year limited warranty for lasting peace of mind.
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Inputs/Outputs: 12/24V DC system, 20A output for 2 banks, 120V AC input, includes pre-wired wiring for immediate use.
Trust the ProSport HD Gen4 to deliver fast, accurate charging while reducing power draw and extending your batteries’ life—the smart choice for serious sailors and rugged adventures alike.
| DC Voltage Systems |
12/24 |
| Amps |
20 |
| No. of Batteries |
2 |
| AC & DC Cable Length |
6'/6' |
| Size |
7.9"x 12.8"x2.9" |
| Weight |
7.2 lbs |
| AC in |
1.20v AC + 10% 50/60 Hz |
| AC Plug |
NEMA 5-15 |
