Sour blueberry with zesty lemon. The Elf Bar GH20000 delivers up to 20,000 puffs from 20 mL of pre-filled 20 mg/mL salt nicotine e-liquid. It runs a triple-mesh coil on an 850 mAh USB-C rechargeable battery, with an LED screen showing battery, e-liquid level and power mode — Lite 12W, Smooth 17W or Turbo 30W.