Estimated to last up to 4500 puffs the NKD100 Max Disposable features a rechargeable 500mAh built-in battery prefilled with 10ml of Naked 100's NKD100 Max Series Flavors. The NKD100 Max Disposable features no buttons and is automatically activated when you inhale. Equipped with a Type-C charging port the NKD100 Max features an incredibly small and compact vape pen design for easy portability and use.