Bests & Worsts Reviews from Amazon

Good concept if this had jumpstarted my car. But really how many people who purchase this has a car to jumpstart when this is delivered? I did and I tried 3 different times and nothing lit up in my car and yes I followed directions(they're pretty easy). This did nothing to my car! Tried a jump pack that I already had and the dash lights turned on immediately and the car started within seconds. I do not understand why this got so many good reviews. I warned you!