Aspire NX100 features the five buttons system which is ultra-intuitive with one-button navigation between TC and Wattage mode. It can be powered by one 26650 battery to 100W or one 18650 battery to 75W. The NX100 also allows you to customize your mod with just a few button clicks. No firmware or connecting to computer required! Ease-of-Use is a key feature of the NX100.