The Twist 900mAh Battery from OOZE Life is the classic, no-frills, rechargeable vaporizer pen battery. The most powerful battery in the twist family, they are built to easily vape even the thickest oil cartridges and are compatible with all 510 thread cartridges and attachments. Featuring a dial at the bottom to adjust voltage and temperature. This pack of 5 batteries is an incredible value and makes the perfect addition to your offerings of smoke and vape products.