pre-heat various voltage palm battery CBD vape pen
| Production Name | vape battery/ Air |
| Battery capacity | 400mAh |
| Voltage | 2.6v, 3.5v. 4.0v |
| Batter Cell | A-grade quality |
| Battery cell Cerificate | SGS,MSDS |
| Material | zinc alloy |
| Thread | 510 thread |
| OEM/ODM | support |