- Manufacturer: Vapcell
- Country of Manufacture: China
- Model: VAPCELL 21700 4200mAh
- Capacity: 4200mAh (4.2Ah)
- Maximum Continuous Discharge: 30A
- Nominal Voltage: 3.6V/3.7V
- Fully Charged Voltage: 4.2V
- Size: 21700 (21mm x 70mm)
- Terminal: Flat-Top
- Protection: Unprotected