Fits most 510 threaded cartridgesEasy to use with a simple button activationEnjoy the convenience and discretion of the Strio Cartbox Incognito Battery while enjoying your favorite vape cartridges. With a long lasting 650mAh battery, this sleek and stylish battery fits most 510 threaded cartridges and is easy to use with a simple button activation. The hidden compartment allows you to keep your favorite 2 gram cart hidden from view, making it perfect for discreet vaping on the go. Upgrade your vaping experience with the Strio Cartbox Incognito Battery.