Therm-Ic Slim Universal Powerbank (5000 Mah)

Extra thin and powerful external battery! The thin external battery is ideal for the warm Therm-ic jackets. It fits perfectly in the pocket provided for it. The battery has a capacity of 5000 mAh. The extra thin external battery is ideal for the warm therm-ic jackets. It is light and thin and fits perfectly in the designated pocket in the jackets. You can connect it to any USB port (jacket or smartphone). With its capacity of 5000 mAh, it warms the jacket on level 1 for up to 5 hours and on the highest level for up to 2 hrs. 30 min.