Performance Specifi cations Nominal Voltage ...........................................................................2 volts (1 cells) Nominal Capacity 20-hr. (300mA to 1.75 volts) ............................................................. 6.0 AH 10-hr. (540mA to 1.75 volts) ............................................................. 5.4 AH 5-hr. (980mA to 1.70 volts) ............................................................. 4.9 AH 1-hr. (3.6A to 1.50 volts) ................................................................. 3.6 AH 15-min. (11.0A to 1.3 volts) ...................................................................2.8 AH Approximate Weight ........................................................... 0.89 lbs. (0.40 kg) Energy Density (20-hr. rate) ................................. 1.15 W-h/in3 (70.41 W-h/l) Specifi c Energy (20-hr. rate) ............................. 13.48 W-h/lb (29.73 W-h/kg) Internal Resistance (approx.) ........................................................ 5 milliohms Max Discharge Current (7 Min.) .................................................. 7.8 amperes Max Short-Duration Discharge Current (10 Sec.) .................. 26.0 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 ...... 3 batteries in series with PSC-61000A, 61000A-C