Slim Battery

This battery was designed for concentrates, distillates and thick oils for use with 510 threaded cartridges.  It features a preheat function and variable voltage, allowing you to choose from 3 different heat settings with the click of a button.  It also has a pass through charging system which enables charging while in use via the included micro-USB cable. Features: 510 thread 380mAh internal battery LED power settings 3 voltage settings (Low - White, Medium - Blue, High - Red) Micro-USB Pass through charging Included:  510 Battery Micro-USB Cable Dimensions:  Length:  3.42 inches (87mm) Diameter:  0.44 inches (11.2mm)