QualityCellz via eBay offers the LifeBox UltraCharge 10,000mAh Portable Power Bank and Car Jump Starter, model no. UC10000, for $44.99 with free shipping. That's the lowest total price we could find by $5, although we saw it for a buck less in March. It features jumper cables, LED flashlight, USB adapter cable, iPhone 4 USB cable, and two USB ports. Deal ends May 11 at 11 am ET.