8 Heating Panels - This heated jacket has totally 8 heat panels, different heating areas are controlled by different buttons. 5V Powerful Rechargeable Lipo Battery - The heated jacket uses 5V battery, which could offer more power and better heat to the heating pads. Best gift for parents and families for coming Thanksgiving and Christmas. Long-lasting Usage: A 10000mah Power Bank Offers Up To 8 To 10 Hours Of Warmth On Average(lasting Period Can Be Vary Depending On Different Types Of Power Bank); Power Bank Is Not Included In Our Product. Suitable for All Walks of Life and Adventures - Ideal and warm choice for you, your family members, friends and employees to enjoy outdoor activities like snowmobile, motorcycling, mountain climbing, camping, hiking, skiing, Fishing, Hunting or office routine and business use during fall and winter months against cold and chilly climate. Instructions for use: Plug in the power bank, press and hold the power button for 3 seconds to warm up and adjust to medium temperature, you need to connect the power bank all the time.