SirEEL - 510 Battery - Variable Voltage w/ Charger

Compatible with standard 510 threading, this slim pen-style battery pairs effortlessly with nearly any unit on the market. Designed for convenience, it features a classic single-button operation for fast, discreet use on the go. Users can fine-tune their experience with three variable voltage settings, 2.7V (White), 3.1V (Blue), and 3.6V (Red) to accommodate a wide range of concentrated oil types. A built-in preheat function ensures smooth, consistent performance. The photo show assorted colors, but supplies are limited so color options may be limited as well.