Dime Industries’ 4th generation battery has a tailor-made 510 thread that perfectly compliments our tanks. It consists of 3 voltage settings (375° to 480° fahrenheit) and a pre-heat function. This 650mAh battery features an industry-leading technology that provides enough power to last all day, all week, or even all month for light users. It contains an ICU chip that offers a customizable heating curve that instantly heats. Additionally, it contains a proprietary smart-chip for flavor preservation that prevents overheating & burning. Every battery includes a rechargeable USB-C connector, charging cable and carrying case for device safety and cleanliness.