Buy 1 Get 1 at 50% Off!
These are the highest quality slim 510 thread batteries on the market! Slim design 304 surgical stainless steel construction. Variable voltage (2.7v, 3.1v, and 3.6v) with a 15 second preheat function delivered through a powerful 380 mAh lithium-ion battery that seems to last forever between charges for being only 3.5 inches tall (USB charger included). Perfect for the beginner or the most advanced user! Fits all suitable 510 tread cartridges and devices. Works great with thick oil carts!
5 clicks to power on/off
Press and hold during draw
2 clicks to preheat/1 click to stop preheat
3 clicks to change between voltage levels