Gooloo via Amazon offers its Gooloo 18,000mAh Portable Battery Pack and Car Jump Starter for $69.99. Coupon code "9ZWUUZ2L" cuts it to $58.09. With free shipping, that's $182 off list and the lowest price we could find, although we saw it for $9 less in June. It comes with jump start clamps and features dual USB ports, an LED light, and cigarette lighter socket.