This Ship ’N Shore model is a state-of-the-art charger for boats and RV’s with deep-cycle batteries. Circuit-controlled, fully automatic. Never worry about overcharging. Use it for onshore charging needs. Can also be switched to manual mode for special uses. For conventional 12 volt batteries. * 10 amp fast charge - for everyday charging needs. Charges a deep-cycle battery in 7 to 11 hours; an automotive battery in 3 to 5 hours * Fully automatic - will not overcharge batteries * Manual operation * Maintains charge * LED - Full Charge indicator * Reverse hookup safeguard * Convenient carrying handle ITEM NO:46940393 MODEL:SS-51A-PE SIZE:10 AMP UPC:026666-704915 VL:C UM:EA PK:4