Keep your feet nice and warm when alpine skiing. This battery pack is to be used in connection with your Alpina alpine ski boots. In the Alpina boot that has the InTemp technology you can attach a double battery in each boot at the calf area. Easy to connect and provides up to 6 hours of heating.
After use you can recharge the batteries with the charger that follows along in this package. Follow the instruction to start using the batteries in the Alpina ski boots that has the InTemp technology.
Notice: Can not be used in other skiboots brands.