The solar controller has been specially designed to meet the needs of the rural electricity market. The low cost results from using the latest electronic technology and high volume manufacturing. This solar controller automatically adapts to 12V or 24V solar systems and has all the necessary protections for peace of mind. Features: Battery Voltage: 12V/24V. Maximum solar panel voltage: 36V. Maximum solar panel power: 120W for 12V battery, or 240W for 24V battery V. Maximum charging current: 10 A. Scope of delivery: 1 waterproof solar controller 10 A. Notes: 1. Please make sure the rated voltage of the battery is 12V or 24V. 2. First you need to connect the battery, then the solar panel and the load. 3. The controller generates heat during operation. Please install it in a ventilated environment. 4. The controller will detect the ambient temperature and then adjust the state of charge. Please install the controller and battery in the same environment. Automatically identify 12V/24V system voltage All necessary protections are equipped + IP68 waterproof level for peace of mind Temperature compensation, Mosfet reverse current protection, low heat generation Regulator only suitable for lead-acid batteries: OPEN, AGM, GEL Not suitable for nickel-metal hydride, lithium ion or other batteries