The new 'mini' Dime 5th Generation battery features a 510 thread 400mAh battery and an industry-leading battery technology that provides enough power to last all day, all week, or even all month for light users. New temperature-adjustable features engineered to work in perfect unison with any Dime 1000mg tank. This battery is the ONLY battery we recommend for our 1000mg tanks.  5 NEW! HEAT SETTINGS High Heat Setting (4.2v) Medium-High Heat Setting (3.9v) Medium Heat Setting (3.5v) Low-Medium Heat Setting (3.1v) Low Heat Setting (2.7v) Preheat Setting (1.8) HOW TO USE 5-rapid clicks to turn  ON/Off  battery3-rapid click to change  Heat Settings 2-rapid clicks to  Preheat  batteryRapid USB-C charging cord included