SOLAR CHARGE CONTROLLER A. 17 years'experiences B.LED indication,use the MCU ... condition: LED indication of system working status of charging, overcharge,power full, power low, over-discharge,over-load,out short circuit, load ... modes: Light ON +Light OFF;Light ON +×× hour delay OFFCommon Controller; Test, etc, can be set easily . (Only for SDRC,SDRC ...