Diposable vapes on the market! Each Elf Bar BC5000 is pre-filled with an unbelievable 13ml of e-liquid, which can last up to 5000 puffs. The BC5000 is a thin box shaped disposable with soft rounded edges and a duckbill mouthpiece. This device has a built in a 650mAh rechargeable battery and a USB-C charging port on the bottom. ELF BAR Disposable Vapes are outstandingly smooth, flavorful, and come in a variety of flavors.