The 7 Amp Charge Controller protects your 12V lead acid batteries from overcharge. This charge controller is to be used with any Global Solar charger over 12W and can handle up to 100 Watts of power. With the attached SAE trailer plug the 7 Amp Solar Charge Controller can connect directly to the solar panel and the remaining SAE trailer plug can connect to any one of the cables in the 5 Piece Accessory Kit.