Well first off enersys is thd parent company of almost every good agm battery made odyssey is their main battery. Period every company will sY they are thd best. But what it boils down to is performance and durability My personal experience and by talking to some of the companies is that odyssey is the top battery then Batcap xs power stinger data safe kinetik Deka c&d Yes I know that enersys makes 5 of those batts. But. They won't make better than their own brand , Just not smart But in my testing I had the pc 2150. Deka 9a31 xs d3100 kinetik. 2400 Batcap 4000 same system. 2. Mayhem 12s sd8000 kinetik was new. Did 150.7 c&d new 151.1 Batcap 4000 new 152.3 xs d 3100 new also 152.4 odyssey pc 2150 6 months old 152.8 These were my own tests. But I asked odyssey what's up. Xnd xspower the same both batts are pretty much equal from what I was told so it would come down to price and warranty for me unless chasing numbers like I was then