The “Compass” Oil Cartridge Battery by Vessel Brand. A compact device with a high-capacity battery, The Compass is exceptional in both its design and performance.
- Beautiful & unique design
- Powerful 550mAh lithium-ion battery
- Adjustable voltage (2.4v, 2.8v, 3.2v, 3.6v)
- Button activated (uses a large, easy to locate button)
- Universal threading for all oil cartridges
- Cartridge screws in (no magnetic adapter needed)