For those looking for a more colorful flair to the best vape pen battery for 510 thread prefilled cartridges or vape tanks - the HoneyStick's latest addition to its super-performer 500mah variable voltage slim Twist vape pen battery. Dial into your voltage with the silky smooth twist knob at the bottom of the battery that allows you to adjust between 2.0 Volts and 4.0 Volts to pick the perfect temp to vape the best 510 thread vape carts on. Don't get worried about taking your charger everywhere as this slim vape pen has a 500mah High capacity battery to make sure you have plenty of juice between charges and you lay down consistent power every time you take a puff. This stick battery feels like a high-quality writing instrument in your hand or pocket with a solid body and precision quality and resistance on the button. The HoneyStick 510 thread twist vape pen battery also has a pre-heat function so you can get your carts primed and ready. Many higher capacity vape batteries for 510 thread carts have a skirt or collar connector, not this one it is slim so it connects flush with cartridges for the aero look. Don't get it Twisted! this is the best intro battery for 510 thread prefilled vape cartridges. Available in a Matte Black, Multi-Color, Brushed Stainless, Ocean Blue, and Red finish.