1、MULTIPLE FUNCTIONS: Adopt LCD screen to display charge discharge current and temperature, support cumulative power generation and discharge power query, light control delay control. 2、DUAL USB OUTPUT: The controller has dual USB output, can charge phones and tablets, and can adjust the charging and discharging parameters, with power off memory function. 3、CIRCUIT PROTECTION: Built in overheating, overcurrent, short circuit, open circuit protection, support troubleshooting, automatic recovery of the controller, safe and reliable operation. 4、MOS TUBE CIRCUIT: The controller adopts 2 way MOS tube anti backflow circuit, high power charging, with reverse current protection, low calorific value, and will not damage the controller. 5、HIGH EFFICIENCY: Current auto focus MPPT tracking charging, high charging efficiency, and the charging process does not stop detection, bidirectional focus tracking.