SOLAR CHARGE CONTROLLER A. 17 years'experiences B.LED indication,use the MCU and mode PWM, C. Self protection ... be damaged in all protections, include fuse.E LED indication on system condition: LED indication of system working status of charging, overcharge ... . (Only for SDRC,SDRC,SDRC-MT)I Digital display & one key setting: The digital LED display indicates the work mode. One button operated ...