This 12 volt 10 amp solar controller maintains and regulates 12 volt batteries from overcharging and discharging and maintains 12 volt batteries in a fully charged state. Small, compact, and easy to mount, this controller is for use with gel-cell, AGM, deep cycle and all lead-acid 12 volt batteries. This solar controller handles up to 10 amps (120 watts) of array current and provides maintenance-free protection of your solar panel and batteries. | WirthCo 12 Volt 10 Amp Solar Controller