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Rechargeable Sealed Lead -Acid Battery <br />12 V01t 55.0 ArnP_ Hr, <br />PS=1 2550 <br />12 Volt 55 Amp. Hrs. <br />Features: <br />■ Absorbent Glass Mat (AGM) technology for <br />superior performance. <br />■ Valve regulated, spill -proof construction. <br />■ Power/volume ratio yielding unrivaled <br />energy density. <br />■ Multiple terminal options to meet varying <br />application requirements. <br />■ Approved for transport by air. D.O.T., I.A.T.A., <br />F.A.A. and C.A.B. certified. <br />■ U.L. recognized under file number MH 14328. <br />n <br />PERFORMANCE SPECIFICATIONS <br />NominalVoltage........................................................................................................................................................ <br />12 volts (6 cells in series) <br />Nominal Capacity <br />20 hour rate (2.75A to 10.50 volts)....................................................................................................................................... <br />55 A.H. <br />10 hour rate (4.90A to 10.50 volts)....................................................................................................................................... <br />49 A.H. <br />5 hour rate ( 8.80A to 10.20 volts)........................................................................................................................................ <br />44 A.H. <br />1 hour rate (33.00A to 09.00 volts)....................................................................................................................................... <br />33 A.H. <br />ApproximateWeight....................................................................................................................................................... <br />41.1 pounds (18.7 kg) <br />Energy Density (20 hour rate).............................................................................................. <br />1.66 Watt-hours/cubic inch (101.4 Watt-hours/1) <br />Specific Energy (20 hour rate)................................................................................................... <br />16.1 Watt-hours/pound (35.4 Watt-hours/kg) <br />Internal Resistance (Fully Charged Battery).................................................................................................. <br />10.2 milliohms (approximately) <br />Maximum Discharge Current ( < 7 Min.).................................................................................................................................... <br />165 amperes <br />Maximum Short -Duration Discharge Current ( < 10 Sec.).................................................................................................... <br />550 amperes <br />Terminals................................................................................................................................................................................ <br />See Reverse Side <br />Vibration Test (2000 cycles/minute, 0.10 inch excursion, 2 hours) .................................................. <br />No loss in capacity or performance <br />Shelf Life — % of nominal capacity at 68, F (20, C) <br />1 Month.......................................................................................................................................................................................... <br />97% <br />3 Months........................................................................................................................................................................................ <br />91 % <br />6 Months........................................................................................................................................................................................ <br />83% <br />Operating Temperature Range <br />Charge......................................................................................................................................................................4°F <br />(-20°C) to 122°F (50°C) <br />Discharge.................................................................................................................................................................40F <br />(-20°C) to 140OF (50°C) <br />Case................................................................................................................................................................................................ <br />Polypropylene <br />