Fit up to 3.5G carts on this WULF Snap DLX510 thread battery. Battery: 650mAh, providing long-lasting sessions without frequent charging. Cartridge Size: Supports cartridges up to 3.5 grams. Temperature Settings: 4 adjustable voltage settings (2.8, 3.2, 3.6, 4.2v) for customizable vaping experience. Preheat Function: 10-second preheat for optimal vapor production. Design: Concealed cartridge chamber for discreet use and a fully digital screen for easy monitoring. These features make the Snap DLX a versatile and user-friendly vaporizer for various vaping needs.