1,:solar cell ; 125mmx 125mm ,156mmx 156mm 2, 10watt - 400watt , with UL certificate 3, with the system(inverter ,controller S O L A R RESISTANCE OF BATTERYsolar PV panel 1. OEM can work 2. CE, TUV, IEC certificate 3. 25 years warrantySAFE PROTECTIVE WOODEN PACKING CERTIFICATE ON QUALITYWITH THE SYSTEM (INVERTER WITH IN BUILD CONTROLLER DISPLAY ,CABLE SET , FRAMES ETC. BATTERIES BACK UP FOR 6 HRS ...