12V GEL Free Mantainance Solar Battery

NPG38-12(12V38Ah/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 voltage----------------------12VNumber of cell ----------------------- 6Length(mm/inch)----------------------- 197/7.76Width(mm/inch) --------------------------- 165/6.5Height(mm/inch)--------------------------- 170/6.69Total Height(mm/inch) ------------------- 170/6.69Approx. Weight(kg/lbs) ------------------ 11.2/24.6Performance CharacteristicsCapacity77°F(25℃)100 hour rate (0.48A, 11.1V )28.0Ah20 hour rate (1.2A, 10.8V)24.0h10 hour rate (2.3A, 10.5V)23.0Ah1 hour rate (16.0A, 9.6V)16.0AhInternal ResistanceFull charged Battery 77°F(25℃): 12mΩOperating Temperature RangeDischarge -20~60℃Charge -10~60℃Storage -20~60℃Self-Discharge3% of capacity declined per month at 20 (average)Max. discharge current77°F(25℃): 400A(5S)Charge(ConstantVoltage)Float: 13.38~13.68V / 77°F(25℃)Cycle: 14.28~14.52V / 77°F(25℃)Max. Current：10ADischarge Constant Current (Amperes at 77℉ 25℃)End Point Vlots/Cell5min10min15min30min1h3h5h10h20h1.60V12387.468.439.922.010.16.853.852.111.65V11683.065.838.621.110.06.803.802.091.70V11278.563.137.120.19.906.703.752.071.75V10374.160.035.319.09.756.603.70.2051.80V95.067.455.133.117.99.606.403.602.00Discharge Constant Power (Watts at 77℉ 25℃)End Point Vlots/Cell5min10min15min30min45min1h2h3h5h1.60V22816112884.763.150.328.320.413.71.65V21415412380.960.348.927.319.713.41.70V20014611777.157.447.526.419.113.01.75V18613811273.154.146.025.218.412.61.80V17112910468.450.343.223.817.512.1(Note)The above characteristics data are average values obtained within three charge/discharge cycles not the minimum values.