Aduro 6000mAh Portable Backup Battery

Previous sale, same as this one, no comments: http://electronics.woot.com/offers/aduro-6000mah-portable-backup-battery

That model isn’t available on Amazon, but other deals sites have it for similar prices. Amazon reviews of other Aduro batteries look good.

Product page is here, selling for $49.99: http://www.aduroproducts.com/powerup-portable-pebble-power-bank-6000-mah