SOLAR CONTROLLER CHARGING CONTROLLER MPPT 30A Characteristics: Voltage of automatic identification system, automatic recognition 12/24V. Humanized LCD display and support for two buttons of human-machine interface. Completed technical data for configuration and modification. You can choose the load control mode, the timer function can be reset for street lighting at night. Control of discharge efficiency. Work storage function: records the total operating time of the system, records error counters during operation, records the times of a fully charged battery. Reliable surge protection, short circuit protection, overload protection, overcharge protection, over-discharge protection. Accurate temperature compensation, automatically correcting the charging and discharging voltage, improving battery life. Round reverse protection connection. Solar panels, battery, positive poles of solar charging controller are connected to each other, adopting negative MOSFET in the circuit. Technical data: Current: 30A, 50A, 70A (optional) Rated voltage: 12/24 V USB output: 2,4 A * 2 Over charging current (V): 13,7V/*2 24V Excess discharge current (V): 10,5-11 V/*2 24 V Temperature compensation: -3mv//cell Empty charge losses: