Alternator Battery Charger, 10 Amps Part Number 1821032

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
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-foot fused input cable and two 6-foot fused output cables
3 year warranty

• Amps per Bank : 10
• Model : MK-2-DC
• Total Amps : 20
• Banks : 2