Cartridge based delivery systems have grown in popularity due to their ease of use, portability and discreetness. If you are thinking about getting a cartridge, then a 510 threaded battery is a must have. Your cartridge will connect to the battery with a screw on or drop in connection. Below you'll find a large selection of 510 threaded batteries to fit your budget and style. All come with either a USB or micro USB charger. Feel free to give us a call if you have any questions before you buy.