Datasheet
Nickel Metal Hydride Rechargeable Battery
0.2C discharge to 1.00V/cell.
Within 3 charge/discharge cycles, the capacity is no less than 800 mAh (100%).
2.3 Rapid Charging
0.5C discharge to 1.00V/cell.
0.5C
charging for 138 minutes or -V=10mV/cell.
Rest: 20 minutes
0.5C discharge to 1.00V/cell.
Within 3 charging/discharging cycles, the capacity is no less than 760 mAh (95%)
3. Open Circuit Voltage (OCV)
After the battery is fully charged, within 1 hour, the OCV is greater than 1.25V/cell
4. Internal Impedance
After the battery is fully charged, within 1 hour, the impedance is not greater than 25 m, as tested by
1000Hz AC source.
5. Charge Retention
The fully charged battery is held under temperature of 20±2ºC for 28 days, the discharged capacity is no less
than520 mAh (65%).
6. Overcharging
Under temperature of 205C, the battery is charged at 0.1C rate for 48 hours. No de- formation of the
battery can be found. Standard capacity can be attained under normal discharging operation.
7. Cycle Life
7.1 Normal Cycling Test:
Cycle No. Charge Rest Discharge
1 0.1C × 16hrs None 0.25C × 2hrs 20mins
2~48 0.25C × 3hrs 10mins None 0.25C × 2hrs 20mins
49 0.25C
× 3hrs 10mins None 0.25C to 1.0V/cell
50 0.1C × 16hrs 1~4hrs 0.2C to 1.0V/cell
Cycle 1 to 50 shall be repeated until the discharge duration on any 50th cycle becomes less than 3hrs
After 500 cycles of charging/discharging, capacity 480 mAh (60%) can be maintained under the cycling test.
7.2 Fast cycling test（reference）:
Charging: 1C for 66 minutes, under -V control (5mV/cell)
Rest: 20 minutes
Discharging: 1C to 1.00V/cell
After 200cycles of charging and discharging, capacity 480mAh (60%) can be maintained under the
cycling test.
44.0
±0.5
47.5±0.3
16.7±0.2