We caught wind of a pretty sweet backup battery deal on woot.com, a daily deal website now owned by Amazon. This is for the Gorilla Gadgets CHR-150 Uhuru! 16,800 mAh External Portable Battery Pack Charger with LED Screen. Why is this a great deal? Because Amazon is selling it right now for $70, but Woot.com is selling it for $40 and the suggested retail price is $140. But what makes this thing awesome? Well, other than the fact that it comes with three different charging connectors (microUSB, lightning and Apple 30-pin), it can also fully charge an iPad and an iPhone and probably still have