Solar panel battery charge controller that regulates the energy traveling from the solar panels to the battery, protecting it from overcharging. It is a digital PWM charge controller 10A 12V. Suitable for use in standalone photovoltaic systems with battery energy storage. The device features dual USB ports. Functions: Short key operation. Automatic system voltage switching. Intelligent PWM charging function. Automatic temperature compensation. Adjustable charge and discharge parameters. Cumulative charge and discharge AH function. Remote monitoring function. Battery discharge protection. Low battery voltage protection. Overload and short circuit protection. Reverse current protection. Automatic restart delay after overload. Technical specifications: Maximum charge load: 20Ah Maximum panel input (Max voltage PV): 55V For 12V system: 260W IP32 Dimensions: 168*92*41.5 mm Weight: 0.320gr