- Description
Description
BK 900Mah Preheat Battery Kit. Adjusted Voltage Batteries USB Chargers Fit 510 Thread Cartridge
Features:
1.5 clicks to turn on and off
2.3 clicks to adjust voltage
3. 900mAh large capacity
4, Patented USB Charger
5,Compatible with ALL 510 thread Cartridges
Specifications:
Color: wood,gold,silver
Capacity: 900mah
Diameter: 14mm
Voltage: 3.2v-3.7v-4.4v,three speed