Gooloo via Amazon offers its Gooloo 18,000mAh Portable Battery Pack and Car Jump Starter for $69.99. Coupon code "6PJT4ZF9" cuts that to $45.49. With free shipping, that's $4 under last month's mention, $25 off, and the lowest price we've seen. It features three lighting modes and dual USB ports. Deal ends October 15.