Insignia Mobile Battery Pack—$4.99! 2016-06-16 11-30-09

Never run out of juice again! Grab an Insignia Mobile Battery Pack from Best Buy for only $4.99 (save $5.00) and always have an extra boost of power when you need it.

This battery pack has a 5200 mAH capacity and should work with most smartphones, tablets, e-readers and MP3 players. It also comes with a 2′ micro USB cord, so you can start using it right away.