A 510 dab pen battery is the power unit that is compatible with 510 carts.

　　Many of these pen batteries, like the Lookah Snail, are palm-size and can be used with single-use or refillable wax and oil concentrate cartridges.

　　They often have preset and adjustable temperature settings and vary in price. Cheap pen batteries for 510 carts start from under $15, while a more premium 510 battery could cost $50 or more.