How long will a pawer bank work? Does it work for 3 hours during travel?

Capacity 5600mAh
Input DC5V-1A
Output DC5V-1A
Working Temperature -5°C-40°C
Charging Temperature -10°C-30°C
Compatibility The new iPad, iPod, MP3, MP4, PSP, GPS, iPhone, Nokia, Samsung, LG, Sony Ericsson
http://www.fancycost.com/5600mah-portable-power-bank-for-the-new-ipad-ipod-iphone-black-p-45933.html#.Unysricdbok

Exactly yes! I have got the same one last month from airyear.com. You can trust them.

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