The 4000 mAh Cable Keeper Power Bank with Type-C Tip features a 4,000 mAh/14.8Wh rechargeable lithium polymer battery, an integrated 2.3-inch cable with 2A Type-C tip, a 2A Type-C input port, and a 2A USB-A output port. Super thin casing easily fits into your pocket. Includes a 19.6-inch USB-A to Type-C charging cable. Power banks are permitted in carry-on luggage only, and at the discretion of TSA agents. Please charge the power bank before initial use.