... , charge current; Battery capacity rate,voltage, Temp.; and DC load state,current; and solar panel voltage; clock and ... protection12.Reverse polarity protection for solar panel ,battery and DC load.13.Reverse current at night14.lighting protection 15 ... Time display use for solar street light Solar Charge Controller SCH20 TECHNOLOGY SPECS ITEMMODEMPPT1224-20MPPT1224-30MPPT1224-40MPPT1224-50Rated charge ...