... solar charge controller lcd display 1,solar controller with Parameter Changeable. 2,Gel, Sealed and Flooded batt Solar System Controller with (NEW) ---------ViewStar Series The controller ... after power failureHigh efficient Series PWM charging mode &state of charge (SOC) TTL-232 Communication ... Over load , and short circuitReverse Polarity protection: Solar Module, BatteryLoad work mode: ON/OFF,Dusk ...