The ActionHeat 5V 6000mah Replacement Power Bank Kit is useful and portable! Created specifically for all the 2 amp output ActionHeat products including 5V Heated Jackets, Vests and, Base Layers. It features a 5V USB output to provide a simple and practical way to connect your devices. This amazing power bank powers your garment and can also charge your phone, tablet, or any USB charged device. The ActionHeat 5V 6000mah Replacement Power Bank Kit is lightweight and powerful.