Guang Zhou Sunland New Energy Technology Co., Ltd.
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7.2V 250H Nickel Metal Hydride Rechargeable Battery of 280mAh
| Model | Voltage | Capacity | Recommended Trickle Charge Current | Nominal Charge Current | Normal Charging Time | Nominal Discharge Current | Weight |
250H6A | 7.2V | 280mAh | 8.4~14mA | 28mA | 14~16h | 56mA | 70 g |
Pictures:
Trickle current : 8.4mA
Standard charge 0 ~ +45℃
Rapid charge +10 ~ +45℃
Trickle charge 0 ~ +45℃
Discharge -10 ~ +45℃
3.8 Temperature range for storage (Humidity: Max.85%)
Within 2 years -20 ~ +35℃
Within 6 months -20 ~ +45℃
Within a month -20 ~ +45℃
Within a week -20 ~ +55℃
Per attached drawing
The test is carried out with new batteries (within a month after delivery)
ambient conditions
Temperature: +25 ± 5℃
Humidity: 60 ± 20%
Note 1
Standard charge : 28mA×14hours
Standard discharge : 56mA to 6.0V
| Test | Unit | Specification | Conditions | Remarks |
| Capacity | mAh | ≥280 | Standard Charge/discharge | Up to 3 cycles Are allowed |
| Open Circuit Voltage (OCV) | Voltage (V) | ≥7.8 | After 1 hour standard Charge |
|
| Internal Impedance | mΩ/cell | ≤800 | Upon fully charge (1KHz) |
|
| High rate Discharge (140 mA) | Minute | ≥60 | Standard charge Before discharge |
|
| Discharge Current | mA | 140 | Maximum continuous Discharge current |
|
| Over charge |
| No leakage Not explosion | 8.4mA charge one year |
|
| Charge Retention | mAh | 224 | Standard charge; Storage: 28 days; Standard discharge |
|
| Cycle Life | Cycle | ≥400 | IEC/CEI61951-2:2001. 4.4 |
|
| Leakage |
| No leakage nor Deformation | Fully charge at 28mA, Stand 14 days |
|