Experience reliable marine battery charging with ProMariner’s Heavy Duty Recreational Grade On-Board Battery Chargers. These chargers feature ProMar Digital Technology for precise and rapid charging. Distributed-On-Demand Technology efficiently allocates charging amps, and the lightweight design is up to 40% lighter than epoxy-filled chargers. An auto-maintain energy saver mode ensures optimal battery maintenance, and built-in safety measures like dual inline waterproof fuses, reverse polarity, and various protections offer peace of mind during use.
Upgrade your marine battery charging with the ProMariner 44021 ProSport HD Waterproof Marine Battery Charger. Designed to replace the ProMariner Gen 3 ProSport 20 plus, this charger utilizes ProMar Digital Technology for efficient and precise charging. Its Distributed-On-Demand Technology optimally allocates charging amps to batteries. The heavy-duty tri-surface extruded heat sink design ensures cooling while delivering constant current charging amps. Enjoy the expanded LED display with completion status gauge for easy monitoring of your battery charging process.