350mAh Vape Pen Battery 510 thread 2.8V To 4.2V variable voltage CBD battery with preheat function
B7 Battery
Max. Reach 4.2V, Violent Heating, Best For Thicker Oil Cartridge;
Adjust Voltage: 2.8V 3.5V 4.2V, Much More Convenient;
Preheat Function + Max. 4.2V, Best For Honey Thicker Oil etc.;
350 mAh Capacity, 400 Puffs Around After Fully Charging;
Factory Wholesale Directly, No Extra Cost;
| Item | B7 vape battery |
| Usage | 510 thread vape pen |
| Capacity | 350mAh |
| Voltage | 2.8V-3.5V-4.2v adjustable |
| Charging | Type C Charging port |
| Color | Silver, black, white, red, blue, green, ect |
OEM/ODM
Silk Print/Laser LOGO, Custom packges, Open Private Mold for you etc.
