UPC 813134020819

• Extra battery pack compatible with ThermaCELL Pro flex heavy duty heated Insoles
• High capacity batteries offer 6.5 continuous hours of runtime
• Charge batteries using included wall charger or any powered USB port
• Fast charge up to 80% in under 80 minutes
• Features enhanced electronic controllers

The ThermaCELL PFHD-XB heated insoles Pro flex heavy duty battery pack are compatible with the ThermaCELL Pro flex heavy duty heated insoles and offer the convenience of all day continuous warmth. Instead of waiting for batteries to recharge after use, simply swap out the batteries when you need to extend the heat. These 1300 mah batteries feature a runtime of 6.5 hours and utilize fast charge technology to reach a charge of 80% in under 80 minutes, meaning less time out of your shoe and more time keeping you warm. Packaged in sets of two, each come with a USB charger and wall adapter. From the frozen peaks of the world's highest mountains to Boston's high-rise construction sites during the dead of winter, ThermaCELL heated products have become essential equipment for extreme users. When people push the limits of the cold temperatures they can Endure, they count on heated insoles and heat packs to bring on the heat.