Portable power pack dual usb charger battery capacity 5 000 mah interfaces usb microusb power output max 21 dimensions 132 x 73 x 8 5 mm weight 123 g features battery indicator included in delivery lightning cable micro usb cable colour black rechargeable battery technology li polymer output voltage 5 v special features integrated charging cable made for ipod and iphone charging function charges 2 devices simultaneously input power 21 applications