... credible, long lifespan, easy mainteinance, and so on.System working conditions:Energy Saved Lamp 20w 4pcs 6hours/day, ... is 3500WhContinual three cloudy & rainy days working The system detailsItem Equipment ModelUnits Quantity1solar panel185Wpcs62Charge controller24V/45Apcs13Inverter(Modify) ... :We can also design 30watts-100Kwatts solar power system according to the need of customers.Warranty: Solar ...