Specifications of our home solar power lighting system:ModelSS-SLS20WSolar panel:20W/18V   Monocrystalline silicon solar panel      5m with DC connectorCell:12V/12AH  Maintenance-free lead-acid batteriesLED:DC 12V,Website:http://www.sunnysamsolar.com,2 LED(3W/pcs) per lamp,lamp holder,with 3m connectorAC charger:15V/51000mACharging time:6-8hoursWorking time:10-12hoursFunction:over charge/discharge protection/short circuit  protectionFuse:5AWorking temperature: -20℃ ~ +55℃Product size:292*102*210mmProduct GW:9.5kg1.Solar Panel:18V 20W solar panel with 5m cable                2.SMF lead Acid Battery:12V12Ah                3.Lamp:3PCS superbright 3W LED with 5m cable                4.The battery is equipped with USB Interface for charging mobile                   5.The battery is equipped with switch on the battery and indicator  to display the battery working or not .                        6. It need 8 hours to charge fully  the battery .                 7.Lighting time:about 10-12 Hours when fully charged,6-8 hours when the battery is charged for one day                 8. Standard Accessories:7 into 1 mobile tip                           Package include :3x light bulb, 1xsolar panels, 1x line, 1x main box