DC Comics – Batman 2500 mAh Portable Charger for Most USB-Enabled Devices – Black/yellow $4

DC Comics – Batman 2500 mAh Portable Charger for Most USB-Enabled Devices – Black/yellow $4 on clearance
found this battery pack. Size is good enough to charge a decent amount of most phones.
only $4
http://www.bestbuy.com/site/dc-co…Id=5711662
UPDATE: Star Wars themed versions also available for the same price http://www.bestbuy.com/site/star-…Id=7039018
Review of battery and comparison to larger batteries https://youtu.be/xB49DGeXwdY
UPDATE 2: Marvel version also available http://www.bestbuy.com/site/mimoc…Id=5464508