QualGear Portable Power Bank with Samsung Lithium Ion Batteries for Smartphones and Tablets - Retail Packaging - White 10400 mAh of capacity. Charges Apple iPhones four to five times, an Apple iPad / iPad 2 once, or a Samsung Galaxy S3 thrice Charges one device at 2.1A or two simultaneously at 4.2A total Features four Samsung Lithium Ion batteries (2600mAh of capacity per each) to stand out from competition Compact and stylish. Features LED display to show remaining charge percentage and a progress indicator while charge in progress Package contents: QualGear QG-PB-10400-W Power Bank, Micro USB cable, user manual, and travel pouch