12V Deep Discharge Battery
NPD24-12 (12V24Ah/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 166/6.54Width(mm/inch) 175/6.93Height(mm/inch 125/4.92Total Height(mm/inch) 125/4.92Approx. Weight(kg/lbs) 7.5/16.5Performance CharacteristicsCapacity77°F(25℃)20 hour rate (1.2A, 10.8V )24.0Ah10 hour rate (2.28A, 10.5V)22.8Ah5 hour rate (4.1A, 10.5V)20.5Ah1 hour rate (15.0A, 9.6V)15.0AhInternal ResistanceFull charged Battery 77°F(25℃): 12mΩCapacity 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℃): 300A(5S)Charge(ConstantVoltage)Float: 13.6~13.8V / 77℉(25℃)Cycle: 14.4~14.7V / 77℉(25℃)Max. Current：6ADischarge Constant Current (Amperes at 77℉ 25℃)End Point Vlots/Cell5min10min15min30min1h3h5h10h20h1.60V95.054.048.028.515.06.684.472.411.241.65V90.160.945.927.414.66.444.362.351.231.70V84.957.843.726.214.26.204.242.311.221.75V79.754.541.124.913.75.954.102.281.201.80V74.351.339.123.313.25.713.952.251.19Discharge Constant Power (Watts at 77℉ 25℃)End Point Vlots/Cell5min10min15min30min45min1h2h3h5h1.60V19512190.055.040.031.719.313.48.541.65V17311485.152.338.230.319.013.18.391.70V16110780.249.436.328.918.312.58.221.75V15199.775.246.634.327.517.512.08.031.80V13992.770.343.732.325.016.911.47.83(Note)The above characteristics data are average values obtained within three charge/discharge cycles not the minimum values.
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