Extremely high quality was built into this 510 thread Max slim battery. It has been rated one of the best slim batteries on the market, just read the reviews! Slim design, durable and lightweight 304 surgical stainless steel construction. Variable voltage (2.7v, 3.1v, and 3.6v), and you can prep your oil cartridges with the 15 second preheat function. All this is delivered through a powerful 380mAh battery that seems to last forever between charges (Micro USB Rapid Charger Included). Perfect for the beginner or the most advanced user! Compatible with 510 thread cartridges and devices. Works great with oil cartridges!
5 clicks to power on/off
Press and hold during draw
2 clicks to preheat/15 seconds
3 clicks to change between voltage levels