Can somone explain to me the near 100$ difference in age batteries here? Wally World sells their platinum 760CC H6 AGM battery for $169, Weize sells their 760CC H6 for the same $169. Oreillys is $250, same specs, autozone $250 same specs, all have 3 year warranty. The only one different was a batteries plus Duracell which had 4 year warranty for $257. These batteries all have one thing in common, they are identical in case shape, even down to the 4 “vent” looking things just above the duralast name, which leads me to believe they are of the same manufacturer. What gives with the price differences?