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 settingsHigh 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)5-rapid clicks to turn ON/Off battery3-rapid click to change Heat Settings2-rapid clicks to Preheat batteryRapid USB-C charging cord included