Therm-Ic C-pack 1300 B

"The C-Pack 1300 B from Therm-Ic is the ideal replacement battery for your heated insoles and ensures that you always have warm feet when skiing. With an impressive runtime of up to 13 hours, this battery provides long-lasting warmth to keep you warm all day long. Thanks to the integrated Bluetoothtechnology, you can conveniently regulate the heat output via your smartphone without having to take off your boots. This function is particularly practical if you want to adjust your heat settings quickly and easily to changing weather conditions."
"The battery is specially designed for use when skiing and is suitable for anyone who doesn't want to risk cold feet on the slopes. The unisex design makes the C-Pack 1300 B a versatile companion for men and women alike. Thanks to its compact design, the battery is easy to put in your pocket and is therefore always to hand when you need it."