Performance Specifi cations Nominal Voltage ........................................................................ 12 volts (6 cells) Nominal Capacity 20-hr. (600mA to 10.50 volts) ....................................................... 12.0 AH 10-hr. (1.1A to 10.50 volts) ............................................................ 11.0 AH 5-hr. (2.1A to 10.20 volts) ............................................................ 10.5 AH 1-hr. (7.25A to 9.00 volts) ............................................................. 7.25 AH 15-min. (21.5A to 9.00 volts) .............................................................. 5.38 AH Approximate Weight ........................................................... 7.92 lbs. (3.59 kg) Energy Density (20-hr. rate) ............................... 1.69 W-h/in3 (103.41 W-h/l) Specifi c Energy (20-hr. rate) .............................. 18.18 W-h/lb (40.08 W-h/kg) Internal Resistance (approx.) ...................................................... 20 milliohms Max Discharge Current (7 Min.) ............................................... 36.0 amperes Max Short-Duration Discharge Current (10 Sec.) ................ 120.0 amperes Shelf Life (% of nominal capacity at 68°F (20°C)) 1 Month ...................................................................................................... 97% 3 Months ..................................................................................................... 91% 6 Months .................................................................................................... 83% Operating Temperature Range Charge .. ........................................................... -4°F (-20°C) to 122°F (50°C) Discharge ....................................................... -40°F (-40°C) to 140°F (60°C) Case ...................................................................................................... ABS Plastic Power-Sonic Chargers ........................................... PSCA, 122000A-C