Cool Box style 650mAh Preheat adjust voltage battery work for all 510 carts ，1ml ，2ml 3ml ..
Specification
CBD box battery
650mAh preheat battery
fit cart ：1ml 2ml 3ml
carts no bigger than：φ14*52.5
2 click preheating function
3 setting adjust voltage battery
3.2V--Green lighter , 3.4V---bue lighter 3.6V---red lighter
