... 12.8mm Specifications: Capacity: 4,400mAhInput: 5V DC/2AUSB output: USB 5V/2A (maximum)Size: 124 x 70.5 ... loversWillow-like battery power indicator showing the battery power saturation in five different stages, each 20%Multiple safety protections: built with short-circuit, ... tips for choose, compatible with 99% devices in market 4,400mAh Power Bank with USB 5V/1A Output, Charge Especially for iPad, ...