Elf Bar Disposable Vapes are small disposable vape kits that are pre-filled with 20mg nicotine salt e-liquid. With a 550mAh battery, these disposables can last for 500-600 puffs each, making them a great choice for travelling or nights out. 550mAh Internal Battery - Approx 500-600 Puffs - 20mg Nicotine Salts