Follow me on YouTube and Facebook at "OndaWire" for more Crazi-NESS! With the holidays coming up you are definitely going to need this! This review is on the ZMI 20000 maH power bank! This is more that just a power bank that charges from 0 - 100% in just 3 1/12 hours, it's a USB hub as well! Charging my phone from my pocket is WAY BETTER THAN SITTING NEXT TO A WALL!