The mophie® Power Boost 10,000 mAh Power Bank has a rechargeable lithium polymer battery (37Wh) that can charge two electronic devices at the same time with one Type-C and one USB-A output ports. Included USB-A-to-Type-C cable. Packaged in a premium gift box. Power banks are permitted in carry-on luggage only, and at the discretion of TSA agents. Please charge power bank before initial use.