Best.Seller.CN via eBay offers the Aukey 12,000mAh Jump Starter / Dual USB Power Bank, model no. PB-C2, for $32.99 with free shipping. That's $2 under our mention from a week ago and the lowest total price we could find by $7. It delivers up to 20 jump starts per charge and features two jumper clamps, two USB ports, and an LED flashlight.