Note: The product does not include power banks. You need to use 5V.2A power bank. We are Asian size, 2-3 sizes smaller than European size. Please choose the correct size according to our size Chart and height and weight recommendations. Model size: 180CM ,85 kg Wearing size 4XL The package includes: 1 x jacket (power battery not included) Kind tips: 1. Please do not connect the mobile charger if it will not be used for a long time. 2. Do not use hot water or strong acid cleaner. 3. Do not use electricity for wet clothes, please turn off the power when the fabric is wet. 4. Using time depends on detachable charging capacity. Washing instructions: 1. Remove the detachable magazine. 2. Use neutral detergent, then wash by hand. 3. Do not knead or hit hard. 4. It can be used after natural air drying. Please note that our size is China size which is usually smaller than US and European size. Please choose your size according to the size chart, we recommend adding one or two sizes to match US and European sizes.