Cup Cart 510 Battery by Mrs. Puff

Meet CupCart™, the compact 510 battery inspired by your favorite handled tumbler. Designed with a lightweight body and built-in side handle, it brings a playful look to your everyday setup without sacrificing performance. Choose your preferred output from 2.0V to 3.6V in precise 0.2V increments. The bright LED display shows your current voltage and remaining battery level, while preheat mode helps prepare your cartridge before use. A standard 510-thread connection supports most compatible cartridges, and USB-C charging keeps powering up simple.