Specification:Mini Application:Home Output Voltage (V):3.7V Load Power (W):3W Solar Power (W):4.5W Work Time (h):50000 Item:10 kw solar system Solar Panel:5V 4.5W Battery:Lithium Battery 3.7V 5AH Material:ABS+PC Charging time:4.5 hours Working time:8-10 hours Switch:on off Protection:Over charge Discharge Short circuit protection Function:Lighting and charging for mobile camera... Fit for:10 kw solar system