Large screen LCD display, charge and discharge current display, cumulative power generation and discharge power query, temperature display, light control + delay control Built-in short circuit protection, open circuit protection, reverse connection protection, overload protection Reverse current protection, low calorific value, with self-recovery function, will not damage the controller. Real-time display of temperature, charging current and discharge current Current auto MPPT tracking charging, high charging efficiency, charging process does not stop detection, two-way tracking.