This ProFLEX ThermaCELL kit comes with two batteries and one wall charger. The charger doubles as a protective carrying case for batteries. This kit can ONLY be used with ThermaCELL ProFLEX heated insoles. Batteries are designed to provide heat for 5 hours per charge without removing insoles from footwear. Charging generally takes 4 hours or less.
*Please Note: These batteries are Lithium-Ion and must be shipped via UPS Ground service. These batteries may fall under airline restrictions. Please contact your airline before taking these batteries on a plane. Utah SKI Gear is not responsible for handling warranties of this product.