12V Solar Wind AGM Deep Cycle Battery
NPD7-12 (12V7Ah/10hr) The rechargeable batteries are lead-lead dioxide systems. The dilute sulfuric acid electrolyte is absorbed by separators and thus immobilized. Should the battery be accidentally overcharged producing bydrogen and oxygen, Special one-way valves allow the gases to escape thus avoiding excessive pressure build-up. Otherwise, the battery is completely sealed and is, therefore, maintenance-free, leak proof and usable in any position.Battery ConstructionComponentPositive plateNegative plateContainerCoverSafety ValveTerminalSeparatorElectrolyteRaw materialLead DioxideLeadABSABSRubberCopperFiberglassSulfuric AcidGeneral Feature●Absorbent Glass Mat(AGM) 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 6Length(mm/inch 151/5.94Width(mm/inch) 65/2.56Height(mm/inch 93/3.66Total Height(mm/inch) 100/3.94Approx. Weight(kg/lbs) 2.05/4.52Performance CharacteristicsCapacity77°F(25℃)20 hour rate (0.35A, 10.8V )7.0Ah10 hour rate (0.66A, 10.5V)6.6Ah5 hour rate (61.2A, 10.5V)6.0Ah1 hour rate (4.3A, 9.6V)4.3AhInternal ResistanceFull charged Battery 77°F(25℃): 25mΩCapacity 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℃): 105A(5S)Charge(ConstantVoltage)Float: 13.6~13.8V / 77℉(25℃)Cycle: 14.5~14.9V / 77℉(25℃)Max. Current：1.75ADischarge Constant Current (Amperes at 77℉ 25℃)End Point Vlots/Cell5min10min15min30min1h3h5h10h20h1.60V28.017.614.28.004.301.891.280.690.381.65V26.516.813.67.704.201.841.240.680.361.70V25.016.013.07.394.101.801.220.670.351.75V23.515.212.47.104.001.741.200.660.351.80V22.114.411.86.833.001.681.180.650.34Discharge Constant Power (Watts at 77℉ 25℃)End Point Vlots/Cell5min10min15min30min45min1h2h3h5h1.60V51.734.727.215.011.48.805.023.562.301.65V49.233.026.114.410.88.404.893.472.261.70V46.631.125.013.910.38.004.773.382.221.75V44.129.324.113.39.907.604.623.262.181.80V41.427.723.012.09.607.314.473.172.12(Note)The above characteristics data are average values obtained within three charge/discharge cycles not the minimum values.
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