... cover Solar panel Aluminum frame, tempered galss cover Battery box(for reference) Galvanized steel 330*240* 330mm Mounting rack ... current Im(A) 3.74A 4.88A Battery Type of battery Maintenance-free AGM battery for solar system Rated voltage 12V 12V Rated ... on 1-12hrs in evening time Protective function Well protection for battery away from overcharging, surge, discharge, reverse polarity Installtion: ...