The highest rated jump starter according to Consumer Reports is the Anker Compact Car Jump Starter and Portable Charger. This jump starter has a rating of 87 out of 100, and it is designed for use with both gas and diesel engines. It can jump start a car with up to a 6-cylinder engine, and it comes with an LED light for emergencies. It also has a USB port so you can charge your phone or other devices while on the go.