SOLAR CHARGE CONTROLLER A. 17 years'experiences B.LED indication,use ... ,power full, power low, over-discharge,over-load,out short circuit, load on/off,etc.F Industry level production standard: ... in night: Getting into night ON+×× hour delay OFF, load off-time, ××hour delay ON+Getting into day OFF. ... The load off-time in night uses fuzzy controlling to caculate ...