Gooloo via Amazon offers the Gooloo 450A Jump Starter Portable Power Bank for $46.99. Coupon code "3R4HBSFZ " cuts it to $32.89. With free shipping, that's $6 under our November mention, $14 off, and the lowest price we could find. It jump starts gas vehicles up to 4 liters, and diesel vehicles up to 2.5 liters, and features a USB port and an LED light. Deal ends April 25.