The mophie 5000 mAh Wireless Power Bank has a rechargeable lithium polymer battery (18.5Wh) that can work as a wireless charging pad or a regular power bank on the go. It works with any smartphone or tablet – even ones without wireless technology – through the normal power bank capabilities. The wireless charging function works with most plastic phone cases on. USB-A-to-Type-C cable included. Power banks are permitted in carry-on luggage only, and at the discretion of TSA agents. Qi-certified. Please charge power bank before initial use.