Nova Tech US via Amazon offers its DBPower 500-amp Peak Car Jump Starter and 10,800mAh Portable Battery Pack for $49.99. Coupon code "C6EWIM7Z" cuts it to $34.99. With free shipping, that's $45 off and the lowest price we could find. It features a 2.1-amp USB outlet, USB 3.0 outlet, LED power indicators, and an LED flashlight. Deal ends November 30.