Smart Battery Trickle Charger 1.0 Amp 12V / 6V Battery Maintainer - Fully Charges and Maintains Proper Voltage - Prevents Overcharge - Perfect for RV, Car, Truck, Motorcycle, Boat, ATV, or Mower BatteriesThis battery charger is designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers. Included is a quick connect ring terminal harness for hard to reach areas and alligator clips for an alternate connection. Automatically switches from full charge to float charging mode. Complete 4 step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode). Features: 6V 12V