12 Volt 10 Amp Solar Charge Controller Maintain 12V batteries in'a fully charged state IMPORTANT SAFETY AND OPERATION INSTRUCTIONS SAVE THESE INSTRUCTIONS The charge controller is designed to protect your 12 Volt Lead-acid battery from being overcharged as well as prevent discharge of the battery during nighttime. This controller reduces overall system maintenance and prolongs the battery life. The LCD Display will display the battery voltage (60031 only).