510 Thread 350mahCapacity w/ USB Charger. Bottom Twist, Variable Voltage Settings
 
The Vertex Slim Variable Voltage 510 battery is a great vape battery for oil and e-liquid vapers. The Vertex Vape Pen features a 350mah capacity and variable voltage settings. ... This battery is one of the most slim batteries on the market. The Vertex is the perfect vape for pre-filled cartridges.
350 MAH Battery
* Adjustable Voltage 3.3V-4.8V
* 15 Seconds Hold Time
Smart USB Rapid Charge