Features 1、12V 24V 48V Systems: The solar controller adopts 12V 24V 48V systems, the voltage can be manually selected, using temperature compensation, charging parameters can be automatically adjusted. 2、PWM Charging: Adopt 3 stage PWM charging algorithm, to perform periodic or over discharge equalization charging on the battery, effectively preventing battery imbalance and vulcanization. 3、Wide Compatibility: Using advanced load starting method, large capacity loads can also be started smoothly, with a variety of load working modes, suitable for different types of loads. 4、Multiple Protection: The solar controller provides overcharge, overdischarge, overload protection, short circuit protection, with TVS light protection, safe and reliable. 5、Convenient Operation: Equipped with LCD screen and one key man machine interface, with backlit and power off memory function, can clearly display status and data, easy for operation. Specification Item Type: PWM Solar Controller Material: ABS Charging Type: PWM Working Voltage: 12V 24V 48V can be manually selected Maximum Charge and Discharge Current: 50A Maximum Solar Battery Input Voltage: 100V USB Output Voltage: 5V 2A Standby Consumption: ≤12mA Working Temperature: -20℃ to +55℃ Terminal Wire Gauge: 28-10AWG Waterproof Grade: IP32 Size: Approx.17x11cm/6.7x4.3in Applicable Scenarios: Solar photovoltaic systems such as home power generation, base station, RV, yacht, ship, etc. Package List 1 x PWM Solar Controller 1 x Manual