Lookah Snail 2.0 Wax Kit is one of the best 510 thread batteries for cartridges designed to utilize oil concentrate carts such as Exotic Carts, Smartcart, and other vape carts. It is smaller than most vape pen-style batteries and compatible with most types of 510 thread vape cartridges and is ideal for use with THC or CBD oil carts. 

It comes in various colors.