B1
Battery

Specification:

Color：Black/Blue/White
Capacity：650mAh
Preheating function: Yes
Adjustable voltage：3 voltage settings
(Green light:2.8V;Blue light:3.4V;
Red light:3.8V)
Screen display: Yes
Thread：510
Material：Metal
Charging port：Type-C
Draw method：Button activated
Dimensions: 89.6*43.7*23.6*mm (3.53*1.72*0.93 inch )
Charging cable included: No