2V GEL Solar Power Storage Battery
NPG400-2 (2V400Ah/10hr)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 voltageVNumber of cell 1Length(mm/inch 210/8.27Width(mm/inch) 176/6.93Height(mm/inch 330/13.0 Total Height(mm/inch) 341/13.4Approx. Weight(kg/lbs) 24.5/54.0 Performance CharacteristicsCapacity77°F(25℃)100 hour rate (4.8A, 1.85V )480Ah20 hour rate (21A, 1.8V)420Ah10 hour rate (40A, 1.8V)400Ah1 hour rate (240A, 1.6V)240AhInternal ResistanceFull charged Battery 77°F(25℃): 0.65mΩCapacity 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℃): 1600(5S)Charge(ConstantVoltage)Float: 13.6~13.8V / 77℉(25℃)Cycle: 14.50~14.90V / 77℉(25℃)Max. Current：80ADischarge Constant Current (Amperes at 77℉ 25℃)End Point Vlots/Cell10min15min30min45min1h3h5h10h1.60V.241.51.65V.641.21.70V.640.91.75V.968.040.51.80V.165.040.0Discharge Constant Power (Watts at 77℉ 25℃)End Point Vlots/Cell10min15min30min45min1h2h3h5h1.60V.65V.70V.75V.80VNote)The above characteristics data are average values obtained within three charge/discharge cycles not the minimum values.
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