A 2 pack of Haze brand Lithium-ion Rechargeable Batteries. Keep a pair charging while you vape and you'll never have to wait. Only recommended for use with Haze Vaporizer and Haze Wall Charger. Does not include Haze Wall Charger. Never be stuck without your vaporizer again, these rechargeable batteries will keep your vape charged and ready to go whenever you are!