$150 OFF Anker Powerhouse.
Pick up a Samsung Fast Charge 5100mAh Battery Pack by pre-ordering. This is a really cool design.
32% OFF the awesome Anker PowerCore+ 26800 Premium Portable Charger.
GREAT PRICE! iMuto 20000mAh Compact Power Bank External Battery with Smart LED Display.
BETTER than HALF PRICE! RAVPower 26800mAh Portable Battery Pack Charger.