Anker PowerCore+ http://amzn.to/1ru9aWR
(It's on sale for $59 right now)
I think I've finally found the ultimate battery backup. This monster should fulfill all my needs ( ͡° ͜ʖ ͡°).
FOLLOW ME IN THESE PLACES FOR UPDATES
Twitter / unboxtherapy
Facebook / lewis.hilsenteger
Instagram / unboxtherapy
Google Plus http://bit.ly/1auEeak