Alternator charging design uses current from boat's alternator to re-charge trolling batteries when main engine is running. Charge-on-the-fly circuitry puts additional juice back in your trolling batteries on runs between fishing spots - turns off when the engine stops. Model MK-2-DC Total Amps 20 Banks 2 Amps/Bank 10

• LED indicators display power-on, charging and check connection


• Waterproof, shock and vibration-resistant design


• Advanced corrosion protection to withstand the effects of saltwater


• For use with 12 volt systems with 12V/6-cell batteries that are flooded/wet cell, maintenance free or starved electrolyte (AGM)


• Includes one 6' fused input cable and two 6' fused output cables


• 3 Year warranty