DescriptionThis Solar Battery Charge Controller automatically manages and regulates the voltage and current going into the battery from the solar panel, and it&39;s designed with short-circuit protection, open-circuit protection, reverse polarity protection and over-circuit protection in order to ensure that the batteries are not overcharged.Features- Color: Black- Size: 13.3x7x3.5cm- Material: plastic.- Full function electronic protection, overload, short circuit, reverse full protection, do not burn products and electronic components- With the unique terminal, the connection is more stable, bigger and stronger- PWM main charging road, prevent over charge, over release, do everything possible to protect the user&39;s battery- Fashionable shell, beautiful and practical, can be used in complex and harsh environment- With USB function, you can charge the phone.Specification- Rated charging current: 30A.- Rated load current: 30A.- Working voltage: 12V/24V.- Floating charge voltage: 13.7V(adjustable).- End-off voltage : 10.7V (adjustable).- Discharge recovery voltage: 12.6V- USB output: 5V/3A MAX- Working temperature: -35 ~ 60C.Packing list1 x solar controller