Powerbag Business Class Laptop Carrying Case with Battery for Charging Smartphones, Tablets and eReaders (RFAP-0011P) Built-in charging system and removable 3000mAh battery to charge your favorite USB power devices Built-in Apple, Micro-USB, Mini-USB connectors and a USB port External one-touch battery level indication Included wall adapter charges Powerbag and any connected devices inside easily via the external waterproof charging port Quick-access charging pockets Protective tablet pocket Padded compartment for up to 15-Inch laptop Checkpoint Friendly "FlyFlat" function for frequent flyers