Mophie Juice Pack Air for iPhone 3G $46 at iCraveit.com

iCraveit.com has the refurbished Mophie Juice Pack Air - Case and Rechargeable Battery for iPhone 3G (Black) for $40 + $6 shipping = $46 shipped. Features a rechargeable 1200 mAh lithium polymer, pass-through USB, battery on-off switch, a talk time of up to 4.5 hours on 3G and standby time of up to 270 hours.