Charger with built-in safe maintenance mode
Maintains your engine crank battery
Distributes remaining amps to trolling batteries
100% epoxy-filled charger is waterproof
Prewired for easy installation
ProMariner's fully automatic onboard charger conditions and maintains batteries with a built-in safe maintenance mode. The ProMar1-13 automatically charges and maintains your engine crank battery while distributing all remaining charging amps to trolling motor batteries. 100% epoxy-filled charger is waterproof and shockproof. Prewired for easy installation. Safe for lead acid or gel batteries. Two-year warranty.