Itech essential power bank the itech essential power bank is a great back up power source while out on the move for any of your devices and mobile phone the power bank can be easily charged up with the supplied usb cable at home or in the car power bank battery 1200mah internal battery units 2 total power 2400mah power output efficiency 85 outpit in amps 10mah 1 usb socket power bank recharge time 32 hours short circuit protection over discharge