Acid Battery Lead Sealed
GF50-12 (12V50Ah/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 277/10.9Width(mm/inch) 106/4.17Height(mm/inch 221/8.70Total Height(mm/inch) 229/9.02Approx. Weight(kg/lbs) 16.5/36.4Performance CharacteristicsCapacity77°F(25℃)20 hour rate (2.7A, 10.8V )54Ah10 hour rate (50A, 10.8V)50Ah5 hour rate (9.06A, 10.5V)45.3Ah1 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℃): 500A(5S)Charge(ConstantVoltage)Float: 13.6~13.8V / 77℉(25℃)Cycle: 14.4~14.7V / 77℉(25℃)Max. Current：12.5ADischarge Constant Current (Amperes at 77℉ 25℃)End Point Vlots/Cell5min10min15min30min1h3h5h10h20h1.60V11993.657.644.035.214.59.265.232.901.65V11186.455.542.734.514.39.195.202.901.70V10281.753.341.433.814.19.135.152.851.75V96.376.951.240.133.113.89.065.102.801.80V90.073.849.038.832.413.69.005.002.70Discharge Constant Power (Watts at 77℉ 25℃)End Point Vlots/Cell5min10min15min30min45min1h2h3h5h1.60V.669.038.928.518.51.65V.767.138.428.218.41.70V.865.337.928.018.21.75V15813597.976.963.537.527.718.11.80V14712793.474.161.737.027.517.9(Note)The above characteristics data are average values obtained within three charge/discharge cycles not the minimum values.
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