Product Features 1) Folding and double solar panel design, higher power, working more than 5 hours after one day charged with 2 lamps 2) Using high capacity VRLA battery, working 15 hours after fully charged with 2 lamps 3) Built-in charge controller to prevent the battery from over-charge and over-discharge. 4) Environmental friendly. All parts are recyclable and compliant with ROHS. 5) Allocate rainproof bulb, keep on working under severe weather without effecting. 6) Bulb with high brightness to more than 90LM, same as 25W filament lamp. 7) USB universal charging cable with ten kinds of connectors 8) Cloth handle and portable design. It can be put into bag and take along.