This solar battery charge controller automatically manages and regulates the voltage and current going into the battery from the solar panel, and it's designed with short-circuit protection, open-circuit protection, reverse polarity protection and over-load protection in order to ensure that the batteries are not overcharged. Features - Color: As shown.- Size: 6.86 x 5.34 x 2.2/2.7 x 2.1 x 0.87 inch.- Material: Plastic.- PWM controller, Long standby time.- Three charging can effectively prevent battery from unbalanced and improve battery life.- Easy installation and easy operation.- LED indicator, battery power display.- Manual adjustable discharge mode. Specification - Current: 5A/10A.- Voltage: 6V/12V.- Input withstand voltage: <30V.- No-load current: ≤6mA.- Charging circuit voltage drop: ≤0.02V.- Discharge circuit voltage drop: ≤0.01V.- Working temperature: -30-55.- Storage temperature: -45-70.- Humidity: ≤90%.- Waterproof: IP30.- Install wire number: AWG22 14/2mm².Packing list: 1 x solar controller