data for pack | test standard |
1.6ah | normal capacity |
1.5ah | Minum capacity |
3.7v | nomral voltage |
4.2±0.03V | 100% full charge voltage |
0.5c | charge current |
0.5c | dishcharge current |
5 pin molex 51146. | connector for pack |
peak current | 2A for single cell |
continue current | 1.5A for single cell |
charge method with IEC standard
| at first charger the battery with Constant Current 0.5C5A and charger with Constant Voltage 4.2V 0.01 C5A cut-off
| Charge time : 4.0h
| |
discharge method with IEC standard | discharge the battery with Constant current 0.2 C5A and test the end voltage 3.0V
| with IEC standard | |
Fast charge method with IEC standard
| Constant Current 1C5A Constant Voltage 4.2V 0.01 C5A cut-off
| Charge time 2.5h
|
Item | Test Method | Requirements |
Open-Voltage
| standard charge the battery measured within 24 hours and record the data | ≥4.08V |
Internal impedance | measured by AC 1KHz after 50% charge. then record Internal resistance | ≤80mΩ |
Minimal Rated Capacity
| The capacity on 0.2C5A discharge till the voltage tapered to 3.0V Measured after rested for 30min then finish standard charge then record the data
| Discharge Capacity
≥4000mAh |
1 / Short Circuit Test (20±2℃ ) process and result
2 / Vibration Test process and result
3 / Crush Test process and result
4 / Drop Test process and result
The samples should be dropped from a height of 1 meter twice onto concrete ground.
Test result: No explosion,No fire
5 / Short Circuit(60±2℃ ) test process and result
sort fresh battery samples 100% fully charged each test sample battery, in turn,
6 / Impact test process and result
7 / Forced Discharge test process and result
8 / Nail Pricking test process and result
T: | Max.08.0 | Weigh
| 200.5+0.5 –0.5 | H
| 110+0.5 –0.5 | UNIT
| mm |
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