Техническая Спецификация для Conrad Energy Rechargeable AA Battery x2 pc(s) NiMH 1.2V 250513
Модели
250513
Specification Sheet
1. Model No.: 250513
2. Product Name: NiMH AA 2400 Rechargeable Battery
3. Electrical features:
1) Nominal voltage: 1.2V
2) Nominal capacity: 2400mAh
3) Internal impedance:
2) Nominal capacity: 2400mAh
3) Internal impedance:
≤30m ohm
4) Discharge cut-off voltage: 1.0V
5) Ambient temp. for discharge: -10
5) Ambient temp. for discharge: -10
℃~50℃
4. Other features
1) Appearance: Cylindrical shape
2) Dimension: 14.2*50 mm
3) Average weight: 31 g
2) Dimension: 14.2*50 mm
3) Average weight: 31 g
5. Storage
1) Temperature: -10
℃~40℃
2) Humidity:
≤65+/-20%
6. Performance Testing
Examination procedure & standard
Examination procedure & standard
Test item
Condition
Specification
Standard
Charge at 0.1C for 16 hours
1. Charge
Quick
Charge at 0.5C to -△V=5~10mV
2. Discharge
At 0.2C to 1.0V
3. Discharge cut-off voltage
1.0V
Minimum
Standard charge/discharge
2300mAh
4.Capacity (mAh)
Typical
Standard charge/discharge
2400mAh
5. Internal resistance
After fully charge,rest 1 hour,
measured at 1000Hz
≤30mΩ
6. Self-Discharge
The charged battery is stored for 28
days at 20℃
±5℃. And the discharge
time is measure1d at standard
discharge
≥180minutes
7. High temperature test
Store at 40℃、50℃、60℃ for 2 hours
then charge/discharge
No leakage
8. Low temperature test
Store at 0℃ for 2 hours then
charge/discharge
No leakage
9. Short circuit test
Short circuit after fully charge
No explode
10. Drop test
Free fall on the concrete floor from 1
meter after fully charged
No leakage
No short-circuit
11.Cycle life
Charge
Rest
Discharge
1
0.1C for 16h
0
0.25C for 2h20min
2~48
0.25C for 3h10min
0
0.25C for 2h20min
49
0.25C for 3h10min
0
0.2C to 1.0V
50
0.1C for 16h
1~4h 0.2C to 1.0V
Capacity
retention
≥60% after
500cycles