Introducing the Hybrid Pen Battery: the perfect solution for all your vaping needs. This sleek and versatile battery is designed for both seasoned vapers and beginners, and is compatible with any 510-threaded cartridge. It offers seamless passthrough charging using either a Micro USB or Lightning cable, ensuring that you never run out of power while vaping. The battery also comes with adjustable voltage settings ranging from 3.3V to 4.8V, allowing you to customize your vaping experience for optimal satisfaction.