Vertex bottom twist VV preheating battery Features:

Bottom voltage adjustable: 2.0V-2.5V-3.0V-3.5V-4.0V
Battery capacity: 380mAh
Thread: 510, fit most of vape cartridges in the market
Colors: Black,Red, Blue, Stainless steel(SS), White, Gold

Packing list :

1 pc Preheat VV battery with bottom twist
1 pc wireless USB charger
1 pc blister box