2V GEL Solar Storage Battery System

NPG Series is GEL battery which is manufactured with AGM separator and colloidal Silicon. Gel battery are featured with low self-discharge strong ability to recover from deep discharging excellent cycle life and performance at cold ambient temperatures than conventional VRLA.Battery ConstructionComponentPositive plateNegative plateContainerCoverSafety ValveTerminalSeparatorElectrolyteRaw materialLead DioxideLeadABSABSRubberCopperFiberglassColloidal siliconGeneral Feature●Micro millimeter SiO2 and H2SO4 technology for Efficient gas recombination of up to 99% and Freedom from electrolyte maintenance or water adding.●Not restricted for air transport-complies with IATA/ICAO Special Provision A67.●UL-recognized component.●Can be mounted in any orientation. ●Computer designed lead, calcium tin alloy grid for high power density.●Long service life, float or cyclic applications.●Maintenance-free operation.●Low self discharge.SPECIFICATIONNominal voltage----------------------2VNumber of cell ----------------------- 1Length(mm/inch)----------------------- 302/11.9Width(mm/inch) --------------------------- 175/6.89Height(mm/inch)--------------------------- 330/13.0  Total Height(mm/inch) ------------------- 343/13.50Approx. Weight(kg/lbs) ------------------ 36/79.3Performance CharacteristicsCapacity77°F(25℃)100 hour rate (7.2A, 1.85V )720Ah20 hour rate (31.5A, 1.8V)630Ah10 hour rate (60A,  1.8V)600Ah1 hour rate (353A,  1.6V)353AhInternal ResistanceFull charged Battery 77°F(25℃):  0.6mΩCapacity affected byTemperature(20hour rate)104℉ (40℃)102%77 ℉ (25℃)100%32 ℉ (10℃)85%5 ℉  (-15℃)65%Self-discharge68℉ (20℃)Capacity after 3 months storage90%Capacity after 6 months storage80%Capacity after 12 months storage60%Max. discharge current77℉(25℃):  2000(5S)Charge(ConstantVoltage)Float: 13.6~13.8V / 77℉(25℃)Cycle: 14.50~14.90V / 77℉(25℃)Max. Current：120ADischarge Constant Current (Amperes at 77℉ 25℃)End Point Vlots/Cell10min15min30min45min1h3h5h10h1.60V109784159146035317611263.01.65V104079956444234017211062.51.70V98175753842232716710861.81.75V92171450939931216010561.01.80V85967248037929815310260.0Discharge Constant Power (Watts at 77℉ 25℃)End Point Vlots/Cell10min15min30min45min1h2h3h5h1.60V1815135310788696894693512231.65V1710128010248296604583422201.70V160412069697876304463332161.75V149811319137455984333232121.80V13941056856702566405303209(Note)The above characteristics data are average values obtained within three charge/discharge cycles not the minimum values.