Gooloo via Amazon offers its Gooloo 12-volt Car Jump Starter and 18,000mAh Portable Battery Pack for $69.99. (Select "Regular Price" on the right side.) Coupon code "DWURLQ88" cuts that to $41.99. With free shipping, that's $28 off and the best price we could find. It features an 800-amp peak output, dual USB ports, and built-in LED flashlight with three modes. Deal ends April 16.