Description: This solar charge controller is great for solar application system, such as industrial water, agriculture irrigation, PV generation and desert governing. With protections for safety use. It adopts high efficiency PWM charging mode and allows you to set parameters freely to meet your demand. Features: User-friendly LCD display shows various parameter clearly. It adopts intelligent PWM charging mode to improve the system efficiency and prolong the service life of battery. Grade auto switch of system voltage. Settable working modes of loads. Auto temperature compensation. Dependable protection: battery back discharging, battery low voltage, overloading, short circuit, battery reverse connected. Support relayed auto restart after overloading protection. Specifications: Material: Plastic Color: as Shown in the Picture Rated Working Voltage: 12V/24V DC AUTO Rated Working Current: 80A Voltage of Solar Panel: 50V Float Charging Voltage(settable): 13.8V/27.6V Low Voltage Protection(settable): 10.7V/21.4V Low Voltage Recovery (settable): 12.5V/25.0V No Load Loss: ≤30mA Loop Voltage Drop: ≤ 200mV Temperature Compensation: -4mv/℃/cell Installable Maximum Cable: 3# AWG (25mm²) Working Temperature: -20℃~50℃ Storage Temperature: -30℃~70℃ Temperature Requirement: ≤90%, no condensation Charging Mode: PWM mode Solar Panel Power: 720W/12V 1440W/24V Size: approx. 189 x 132 x 57mm / 7.4 x 5.2 x 2.2in Mounting Hole Spacing: approx. 98 x 178mm / 3.9 x 7.0in Weight: approx. 713g Package Included: 1 x Solar Charge Controller 1 x Temperature Sensor .