Description
18650 lithium battery 3.7V 21Ah li ion battery packs
Size: 22*75*131mm
Model: ICR18650 1S7P
18650 lithium battery 3.7V 21Ah data sheet:
| Item | Rating | Note |
| 1.1 Capacity | Typical: 21Ah | Discharge:0.2CmA |
| Min.: 20Ah | ||
| 1.2 Nominal Voltage | Average 3.7V | |
| 1.3 Discharge Cut-off Voltage | 3.0V | |
| 1.4 Charge Current | 4000mA | Standard Charge |
| 1.5 Charge Voltage | 4.2V | |
| 1.6 Charge Time | Approx 6h | Charge: 0.2CmA |
| 1.7 Max. Charge Current | 1C | |
| 1.8 Max. discharge current | 1C | |
| 1.9 Weight | Approx 360g | |
| 1.10 Operating Temperature | Charge: 0~45℃ | |
| Discharge: -20~60℃ | ||
| 1.11 Storage Temperature | <1 month: -10~45℃ | Recommended storage temperature: 20℃, at the Shipment state |
| <3 month: -10~35℃ |
18650 lithium battery advantages: more safety with protection circuit.