Product Name: 20W Solar Home Energy System, Solar Panel Power System for Lighting Model NO.: FSS-020W Specification: Normal Application: Home, Industrial, Commercial Certification: ISO, CE, TUV Condition: New Life: 10 Years Production Capacity: 5000 Sets/Month Light Type: LED Battery: 12V/17ah Charging Time: 8-10 Hours Working Time: 11-12 Hours OEM: Available Trademark: Flagsun Transport Package: 1 Set/Carton Specification: 20W Origin: Jiangsu, China HS Code: 85414090 Product Description Main components:PartsSpecQTYSolar panel12V10W1Controller12V2A1Batteries12V17AH1AccessoriesCableTechnical data:SystemCapacity20WSystem voltage12VDCOutput voltage12VDCSolar panelPmax10WVmp17.5Imp0.6ABatteryCapacity12V17AHFeatures:High techHigh efficiencyGood qualityHigh reliableSuper long life spanApplication:Nomads, families, island, none or short of electricity area, Satellite Ground Stations, weather stations, forest fire stations, etc.Warranties:Solar panel: 10 yearsBattery: 3 yearsPower box: 2 yearsSolar panel specification:Spec10WPower (W)10Dimension of cell (mm)31.25*62.5Dimension of panel (mm)360*293*25Arrangement way (pcs)4*9Weight (KG)1.6System voltage(V)12Pmax (W)10Vmp (V)17.5Imp (A)0.58Voc (V)21.3Isc (A)0.65Battery-12V17AH:Physical Specification:Nominal Voltage12VNominal Capacity (10HR)17AHLength181±2mmWidth77±1mmContainer height167±2mmTotal Height(with terminal)167±2mmWeightApprox 5.27KgStandard TerminalF6 (standard)Electrical Specification:Rated Capacity20 hour rate(0.85A)17AHConstant-Voltage ChargeCycleCharging Current: <4.25A;Charging voltage: 14.5V-15V at 25ºCTemp. Coefficient: -24mV/ºC;10 hour rate(1.59A)15.9AH5 hour rate(2.92A)14.6AH1 hour rate(10.2A)10.2AH15 mintue rate (26A)6.5AHCapacity affected by Temperature40ºC(104ºF)103%StandbyCharging current: <4.25A;Charging voltage: 13.6V-13.8V at 25ºCTemp. Coefficient: - 18mV/ºC25ºC(77ºF)100%0ºC(32ºF)86%Internal ResistanceFully charged battery (25ºC,) 15.1mΩController 12V2ARated power (W)24Rated voltage(VDC)12Recommended controller charge MAX. current (A)2Recommended solar MAX. open voltage (V)25Over-charge(V)protection14.4recover13.2Voltage descent(V)Between solar cell and battery≤0.4Between battery and load≤0.03