Nominal Battery Voltage 6.0 V Capacity Ratings 2.5Ah 2 hour rate 2.7Ah (l2SmA) 10 hour rate 2.5Ah (25OmA) 1 hours rate .8Ah (2.5A) Internal Resistance: 0.010 ohms Measured on Hewlett-Packard 4328A milliokimeter. Storage Time Ta = 0 C 7,200 days Ta=23C l,2OOdays Ta--65C 60days Cell Temperature Range Storage -65 Deg. C to +65 Deg. C Discharge -65 Deg. C to +65 Deg. C Charge -40 Deg. C to +65 Deg. C Battery Charging Constant Voltage Cyclic 2.40 to 2.60 volts/cell Float 2.30 to 2.40 volts/cell Constant Current Cyclic (max.) C/S rate Float (max.) C/500 rate Cycle Life 200-2,000 cycles 200 cycles- 100% depth of discharge, one cycle per day; 2.45V constant voltage - no current limit; Discharge: C/S rate. 2,000 cycles- 25% depth of discharge (Charge: 2.45 V/cell for 7.5 hrs- 2.OA current limit: Discharge: C/2 rate for 30 mihutes. More cycles are available with shallower discharges. Expected Float Life 8 years Based on accelerated test methods, 2.35 volts constant voltage charge at 23 Deg. C temperature. 00-900589 Sheet 2 REV A