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. Longest lasting 4.2v high capacity battery The most powerful and reliable battery in the industry Universal with all 510 thread cartridges Turbo chip offers a custom heating curve and instantly heats up between 425°f to 480°f Proprietary smart chip for flavor preservation and to prevent over burning 2 click preheat option 3 voltage settings Rechargeable: USB-C chargerIncludes a carrying case for device safety and cleanliness