Sdphone2010 via eBay offers the Aukey 12,000mAh Jump Starter / Dual USB Power Bank, model no. PB-C2, for $31.34 with free shipping. That's $2 under last week's mention, the lowest price we've seen, and a current best by $2. It delivers up to 20 jump starts per charge and features two jumper clamps, two USB ports, and an LED flashlight. Deal ends March 4 at 3 am ET.