12V AGM Rechargeable Deep Cycle Battery
NPD55-12(12V55Ah/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 229/9.01Width(mm/inch) 138/5.43Height(mm/inch 208/8.30Total Height(mm/inch) 212/8.35Approx. Weight(kg/lbs) 14.1/33.1Performance CharacteristicsCapacity77°F(25℃)20 hour rate (2.9A, 10.5V )58Ah10 hour rate (5.5A, 10.5V)55Ah5 hour rate (9.6A, 10.5V)48Ah1 hour rate (35.2A, 9.6V)35.2AhInternal ResistanceFull charged Battery 77°F(25℃): 8mΩCapacity 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℃): 550A(5S)Charge(ConstantVoltage)Float: 13.6~13.8V / 77℉(25℃)Cycle: 14:4~14.7V / 77℉(25℃)Max. Current：13.8ADischarge Constant Current (Amperes at 77℉ 25℃)End Point Vlots/Cell5min10min15min30min1h3h5h10h20h1.60V17213099.058.235.214.59.985.662.051.65V16212394.056.534.414.39.885.632.941.70V.533.614.59.755.592.931.75V14110881.452.932.713.79.605.552.921.80V12810050.551.031.613.49.435.502.90Discharge Constant Power (Watts at 77℉ 25℃)End Point Vlots/Cell5min10min15min30min45min1h2h3h5h1.60V.471.442.530.119.41.65V.169.841.729.519.31.70V.368.240.828.918.91.75V.466.539.828.318.81.80V.264.939.827.718.55(Note)The above characteristics data are average values obtained within three charge/discharge cycles not the minimum values.
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