This 350mAh battery is with top tapered screw 510 thread. The 15s preheating function of voltage adjustable battery can help preheat the refilled cartridge before vaping to get a much bigger vapor. One button operation and the button could be three times clicked to change the working voltage among 3.4V, 3.7V and 4.0V.
Grade A battery cell and full capacity guaranteed.
OEM Welcomed
One Button Operation and Logo printing welcomed
Product Speficifcation
Material: Stainless Steel
Battery Capacity: 350 mAh
Dimension: Φ11.2×87(mm)
Color: Black/Silver/White/Blue/Red
Voltage Adjustable: LED indicator light around button – Green=3.4V / Blue=3.7V / Red=4.0V
Preheat Function: 2 times click the button to start preheat, preheating lasts 15s at 2.0V
Circuit Board: Multiple Protectioin
Package Includes: Battery, USB, Blister Packing