18650/2S2P Li-ion battery Pack 7.4V/4.4Ah
Lighting battery pack
| Model: | AY-L02S02-021 |
|---|---|
| Voltage: | 7.4V |
| Capacity: | 4.4Ah |
| Size (can be customized): | L75*W68*H25mm |
| Cell Model: |
| Model: | AY-L02S02-021 |
|---|---|
| Voltage: | 7.4V |
| Capacity: | 4.4Ah |
| Size (can be customized): | L75*W68*H25mm |
| Cell Model: |
| No | Test item | Criterion | ||
| Nominal capacity | 4.4Ah | Samsung 18650-2200mAh | ||
| Nominal voltage | 3.7V | 3.7V/1 Cell | ||
| Charging voltage | 8.4V±0.05V | 4.2V/1 Cell | ||
| Charging method | CC/CV | (Constant-current and-Voltage with Limited current | ||
| Standard charging time | 2000mA/3.3hour 1000mA/6.6hour | Battery capacity÷charging current×1.5 | ||
| Charging current | 1250mA(0.5C) | 0~+40℃ | ||
| Maximum charging current | 2500mA(1C) | 0~+40℃ | ||
| Continuous discharge current | 2.5A(1C) | -20~+60℃ | ||
| Discharge cutoff voltage | 2.5V | 2.5V/1 Cell | ||
| Short circuit protection | Exterior short circuit | Automatic recovery | ||
| Intermal resistance | ≤200mΩ | AC lmpedance 1kHz | ||
| Cycle life | ≥500 | |||
| Operating temperature | Standard Charge | 0~+40℃ | ||
| Standard Discharge | -20~+60℃ | |||
| L75*W68*H25mm | Length x wide x height | |||
| Pre-wired | Red=Positive,Black=Negative | |||
| Protection Circuit Module: PCM-Li02S3-129 | ||||
| Maximal continuous charging current | 2.5A | |||
| Maximal continuous Discharging current | 2.5A | |||
| Over-charge detection voltage | 4.25V±0.025V | Single cell | ||
| Over-charge release voltage | 4.15V±0.05V | Single cell | ||
| Over-charge detection delay time | 0.5S-1.5S | Single cell | ||
| Over-discharge detection voltage | 2.50V±0.08V | Single cell | ||
| Over-discharge release Voltage | 3.0±0.10V | Single cell | ||
| Over-discharge detection delaytime | 50-150mS | Single cell | ||
| Over-current detection | 9±2A | can adjust | ||
| Over-current delay time | 5-15mS | |||
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