Feature: 1. Automatic Voltage Identification: This solar controller can automatic recognition of 12V 24V 48V voltage, suitable for acid, lithium ternary, lithium iron phosphate batteries, real time data monitoring by APP. 2. Safe Protection: Built in near charge protection, short circuit protection, open circuit protection and reverse connection protection are all self recovery without damaging the controller. Cooperate with protection of over discharge, over voltage, night charging, battery heating, overheating, high voltage surge, current limiting power to ensure safe and secure use. 3. LCD Display: The solar controller adopts large LCD high definition digital display, which is clearly visible; The multiple parameters like charging and discharging parameterscan be adjusted, and the operation is convenient. 4. Heat Dissipation: Simple design on both sides, heat dissipation vent, fast heat dissipation. The edging is fine, the routing is smooth and round, and the three dimensional feeling of this solar charge controller is strong. 5. Wide Range of Applications: Suitable for villas, outdoor recreational vehicles, solar power generation systems, yachts and ships, solar billboards, solar street lamps, etc. Specification: Item Type: Solar Charge Controller Material: PVC, aluminum alloy Maximum Photovoltaic Voltage: 12V system<25V, 24V system<50V, 48V system<100V USB Output: 5V 2A MAX Working Temperature: -20℃-+ 50℃. Package List: 1 x Solar Charge Controller1 x Manual