Battery-Cables-&-Accessories > Chargers,-Maintainers,-&-Booster-Cables

Battery-to-Battery Charger

The ProMariner Digital Mobile Charge (Battery to Battery) is a breakthrough in battery to battery, on-the-water charging technology. Simply connect to the engine crank battery and your house electronic battery, allowing for up to 40 Amps per hour to be transferred to your house battery bank. Protects your engine battery while charging and conditioning your house battery bank, using its all-digital software controlled, multi-stage charging technology. Meets a boat's demand for on-the-water power and charging for 12 Volt DC systems, allowing for radar, lighting, live wells, and other DC systems to operate while managing and charging batteries when running your engine.


  • Optimal fast charge, conditioning & maintenance. 4th Stage provides on-demand fast charge mode when needed.
  • Intelligently monitors & manages the health of the engine battery while providing maximum charge capacity to the auxiliary battery or bank.
  • Automatic programming of charge/absorbtion time based on discharge state of auxiliary battery or bank resulting in a 100% charge while desulfating battery plates and extending battery life.
  • Hi-Vis LEDs indicate battery type, charge modes, temperature, and fault conditions.
  • Programmable Battery Type Selector - select Flooded (lead-acid), AGM, and GEL batteries.
  • Remote temperature probe included.
  • Lead-free, RoHS
BATTERY-TO-BATTERY ALTERNATOR-TO-BATTERY
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905505 ProMariner Digital Mobile Charge, Battery to Battery, 12V to 24V (1 MIN) 576.79 1 EA