Thousandshores via Amazon offers the iClever 450A 10,000mAh Portable Jump Starter for $39.99. Coupon code "JUMPER2018" cuts it to $29.99. With free shipping, that's tied with our April mention, $10 off list, and the lowest price we could find. It has a 2.1A SmartID USB port and LED flashlight. Deal ends August 31.