Introducing the Expedition Trail Edition vape pen battery by Vessel. Part of our Expedition Series, this 510 thread battery is engineered for the adventurer. Features anodized aluminum and knurled grip design for a commanding appearance. The all-new Trail Edition features two (2) additional end caps to personalize your style. Features a protected, cartridge drop-in design Fits most 510 thread cartridges (included cartridge is non-functional and for merchandising purposes only) Powered by a high-quality 300mAh lithium-ion rechargeable battery core 3-LEDs indicate battery life and power settings Four (4) power/voltage settings (2.4V, 2.8V, 3.2V, 3.6V) USB magnetic charging port + cable Compatible with Base Charger and Rover Cases