The TP-LINK TL-PB10400 portable 10400mAh power bank and phone charger features a powerful capacity of 10400mAh that lets you charge a smartphone 3~5 times, and helps keep your devices running when you're away from a charging point. Dual USB ports (5V/2A and 5V/1A) allow for charging two devices simultaneously. A built-in special circuit provides full speed charging for your smartphones. Key Features: High capacity of 10400mAh Dual USB ports let you quickly charge two devices simultaneously Compatible with 5V input USB-charged devices Multiple safety protections Practical flashlight Four LED lights work as charge indicators to show battery level or charging status More than 500 recharge cycles over the life of the battery