Best/highest quality batery

A&Q about 350Z
Q:

NAPA also sells Exxide batteries, and recently came out with the Orbital battery line, which is the same as the Optimas.
A:

My Saturns' AC-Delco quite after 3 years, about 60000km. But nobody's perfect. I'm running an 8 yr old battery that came from my scrapped van. It's a Canadian Tire one. I'm surprised it lasted this long.
A:

Yes, I'm quoting myself here. Funny story to pass along that happened to me this weekend. I just purchased a '95 Buick Roadmaster this past week, and when I was looking at the car, the seller told me the battery was replaced last year, but for some reason the car had trouble starting the previous week without him having to jump start it. I looked under the hood and sure enough it was a Wal Mart battery. When I took possession of the car, the seller told me the car started up every time he tried it in the days before I actually got it. Took it out this weekend to Sam's Club and my wife stayed in the car listening to the radio. I was in the store maybe 30 to 45 minutes and when I came out, the car wouldn't start. I had to call AAA because I left my jump pack in my van. When the tow truck driver opened the hood to jump start it with his jump pack, he exclaimed, " Oh another Neverstart!" We both laughed and he told me that he sees many cars that need a jumpstart that have these Wal Mart batteries in them, a testament to their quality. I guess when the weather gets warmer in the next few days, I'll be pulling the battery out of my pickup and putting that into the Roadmaster. The only problem with that is the battery in my truck is a Wally World special, so I better keep my jump pack in the Buick from now on
I think I will be buying AC Delco batteries from now on.
A:

I bought 2 batteries from COSTCO in the last 4 years. They both worked great and still working.
Their brand is KIRKLAND !
And they were very cheap too (about $35 for a Maxima battery)
They come with 3 years free replacement.
A:

How many battery manufacturers are there out there in this country? I remember talking to a salesman at a garage I worked at about 15 years ago, and he told me there were only 2 or 3 companies that produced batteries. One of them I remember being Exide, can't remember the others. All the batteries sold in this country came from one of those manufacturers and were later labeled after production to whomever was buying them, (i.e. Napa, Pep Boys, Die Hard,other private label etc.) I don't know if his story was true at the time, or still is.
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