Warranty 3months-1year.Application Home, Commercial, Industrial.Solar Panel Type Monocrystalline Silicon, Polycrystalline Silicon, Battery Type Lead-Acid, Lithium Ion, NONE, Lithium Ion.Controller Type PWM.Mounting Type Ground Mounting Roof/Mounting Carport/Mounting BIPV Mounting.Load Power 50W.Output Voltage DC12V/5V USB, 12V/5V.Output Frequency DC output, 50/60Hz.Work Time 12h.Usage Home Application Outdoor.Battery Lead Acid Battery.Work Time Working time depends on the load power.LED lamp 12V/2W*2 pcs.Product name mini Off-grid Solar Power System.Keyword Photovoltaic Solar Energy .