The 900 MAH Slim Twist 510 Thread Battery is a sleek and durable battery designed for use with various cannabis cartridges. With its slim profile, this battery easily fits in your pocket or bag without adding any extra bulk. This high-capacity battery boasts an impressive 900 mAh capacity that provides long-lasting power to keep you vaping all day long. The twist dial at the bottom of the device allows you to adjust voltage output from as low as 3.2 volts up to a maximum of around four volts depending on what cartridge you're using. Additionally, this versatile vape pen features universal compatibility with most standard size threaded carts thanks to its industry-standard thread type (510). This makes it easy for users who own multiple types of vaporizers since they can switch out their favorite oil tanks quickly and efficiently between devices. Overall, if you are looking for reliability and convenience when enjoying your preferred cannabis oils then look no further than the dependable performance provided by our top-of-the-line product: The powerful yet compact design ensures ease-of-use while delivering consistent results every time!