Introducing the Expedition Trail Edition vape pen battery by Vessel. Part of their 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. Vessel vape pens put luxury and long-lasting function in the palm of your hand. Base Charger is sold separately. Vessel Vape Battery Features: Use: Concentrates Features a Protected Cartridge Drop-In Design Fits Most 510 Thread Cartridges Powered by a High-Quality 300mAh Lithium-Ion Rechargeable Battery 3-LEDs Indicate Battery Life + Power Settings 4 Power/Voltage Settings | 2.4V, 2.8V, 3.2V, 3.6V USB Magnetic Charging Port + Cable Compatible with Base Charger and Rover Cases Dimensions: 4.3"L x 0.5"D Weight: 37g 6 Month Limited Warranty Patented