Bests & Worsts Reviews from Amazon

I am one who does considerable research before purchasing anything (I have been a dedicated Consumer Reports subscriber for decades.) and when I saw the rave reviews of the GOOLOO Jump Starter on several sites I took the plunge. Unfortunately when it arrived and following directions it was a lemon. It would charge but not hold at 100% but dropped to 1% and I couldn't turn it off. Another I read in reviews had the same problem. I tried charging with the AC adapter and in a vehicle to no avail. But having seen it rated so highly on mostly automotive sites I decided to exchange it for another and couldn't be happier. I put it through the rigors of jump starting my lawn tractor (bad battery) and it was flawless. The case is a nice touch and its versatility is a plus. I highly recommend this little unit.