The Battery Tender Junior 6 Volt is a 1.25 amp battery charger designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers. Its compact size makes it ideal for use in hard to reach areas. The Battery Tender Junior 6 Volt is temperature compensated to ensure optimum charge voltage according to ambient temperatures and switches automatically from full charge to float charging mode. It features Reverse Polarity Protection to ensure your safety. Best of all, the Battery Tender Junior 6 Volt comes with a 5 year warranty!