Your Butler is proud to introduce the Hippie Butler CCell Palm Battery collab. These batteries offer longevity and simplicity while remaining compact. Each aluminum alloy case comes in five different colors that showcase Your Butlers simple and elegant tux print! To use, simply attatch the magnetic connectior to the bottom of any cartridge and place inside the battery housing and draw! Enjoy 250+ puffs a charge with the included USB charging cable. These user friendly batteries are a must have for any smoking connoisseur. Included in the Box: Hippie Butler CCell Palm Battery 2 Magnetic Connectors USB Charging Cable Warranty Card ***Please note that some cartridges may not be compatible with this battery due to different resistance levels. We recommend using a CCell cartridge .