The Ooze Tanker Battery is a heavy duty 510 thread vaporizer that goes to work to protect your delicate oil cartridges. The Tanker is equipped with a thermal chamber that provides a barrier around the cartridge, and insulates the oil to improve the airflow. Standard batteries leave carts exposed and out in the open; the Tanker’s thermal chamber creates a forcefield around the glass or ceramic cartridge. This protects it from the occasional drop or fall, and ensures its safety when put away in a purse, pocket, or bag. This is a 650 mAh battery with adjustable temperature. Cycle through the 4 voltage options with three clicks of the button. Different extract consistencies will require different voltage levels, so we recommend always starting on the lowest level when testing out a new cartridge.