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Model: NIMH 1.2V Nickel Metal Hydride Battery AA size 2500mah
Nickel Metal Hydride Battery
1.2V NIMH Battery Pack
NIMH 1.2V Nickel Metal Hydride Battery AA size 2500mah
NIMH Application:
MP3, Walkman, E-toys, E-tooth brusher, Brushes shaver, LED torch, Alarm system, Fire
alarm, Mining light, Sex toys, Adult toys.
General Performance:
Item |
Specification |
Conditions |
Standard charge | 250 mA(0.1C) |
ambient temperature of 20±5℃, Relative Humidity: 65±20% |
| 16 hrs | ||
Standard discharge | 500 mA (0.2C) |
standard charge, the final voltage is 1.0V |
Rapid Charge | 500mA(0.2C) | ambient temperature of 20±5℃, Relative Humidity: 65±20% |
Rapid discharge | 500mA(0.2C) |
standard charge, the final voltage is 1.0V |
Trickle Charge | 50～125 mA (0.02C～0.05C) | Ta=-10～45 ℃ |
Nominal Voltage | 1.2 V | |
Open circuit voltage | ≥ 1.25V |
Within 1 hr after standard charge |
Nominal Capacity | 2500 mAh | |
Minimum Capacity | ≥2250 min(0.2C) | .Standard charge and Rapid discharge |
Internal Impedance | ≤30mΩ |
Within 1 hr after standard charge |
Charge-retention Rate | 60%(1500mAh) Charge retention rate ≥Nominal capacity 60%(1500mAh) |
Storage a period of 28 days after standard charge, then Standard discharge (0.2C) to 1.0V |
Cycles Test | ≥ 300 Cycles | IEC61951-2:2003 (see note 2) |
NIMH Features:
1) High energy density
2) Low self-discharge
3) Long service life
4) Chargeable up to 500 or 1000 times
5) Excellent performance of high rate charge and discharge
6) Low internal resistance
Notes:
1: Ta: Ambient Temperature
2: Approximate charge time from discharged state, for reference only.
3: IEC 61951:2003 Cycle Life Test:
| Cycle number | Charge | Rest | Discharge |
| 1 | 0.1C×16hrs | None | 0.25C× 2hrs20mins |
| 2-48 | 0.25C× 3hrs10mins | None | 0.25C×2hrs20mins |
| 49 | 0.25C× 3hrs10mins | None | 0.25C× 1.0V/cell |
| 50 | 0.1C×16hrs | 1-4hr(s) | 0.2C×1.0V/cell |
| Cycles 1 to 50 shall be repeated until the discharge duration on any 50th cycle becomes less than 3hrs | |||
Caution:
1. Reverse charging is not acceptable.
2. Charge before use. The cells / batteries are delivered in an uncharged state.
3. Do not charge / discharge with more than the specified current.
4. Do not short circuit the cell / battery. Permanent damage to the cell / battery may result.
5. Do not incinerate or mutilate the cell /battery.
6. Do not solder directly to the cell /battery.
7. The life expectancy may be reduced if the cell / battery is subjected to adverse conditions like:extreme temperature , deep cycling , excessive overcharge / overdischarge.
8. Store the cell / battery uncharged in a cool dry place. Always discharge batteries before bulk storage or shipment.
9. In order to prevent the decay of battery performance,battery / batteries at least every three
months to conduct a charge-discharge cycle.
10. Keep away from children. If swallowed, contact a physician at once.
11. Air ventilation should be provided in the plastic case of batteries,otherwise it may have a
risk of accumulating gas (oxygen gas, hydrogen gas)generated inside the cell resulting in
explosion triggered by fire sources (motors or switches).
Airtight battery compartments are strongly discouraged.
12.The batteries comply with Restrictions on Hazardous Substances (RoHS) Direction.
2500mah NIMH AA Battery Picture:
