The Anker PowerCore Fusion is one of our biggest sellers ever, because it combines a USB wall charger and a portable battery pack into a single product. Now, RAVPower has their own alternative with a slightly larger 6700mAh battery inside, and you can grab it for just $20 with promo code SDHP3MSD.
from Gizmodo http://bit.ly/2Fe0oYF
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