Features: 18650 batteries are not included in the package, you need to purchase separately. Can only use the 18650 battery of which positive electrode is flat top. Made of high quality material, it is wear resistant and durable. Perfect for outdoor travel use. If your device has quick charging function,the power could up to 22.5W;If the phone is not compatible the quick charging function, it can only be charged with 5V3A; Support QC2.0/QC3.0,SGCP,AFC,PD2.0/3.0,MTK PE+1.1&2.0,SC1.2,quick charging protocol; Specifications: Material:PVC Color:Gray,Yellow;(Optional) Number of batteries: 8x18650 batteries Power:22.5W/15W Wireless Charging Version Package Includes: 1x Power Bank Case (Battery not include) note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.