I use the Walmart Maxx Everstart batteries which I believe are made by either Exide or Delphi now. Admittedly I don't drive my truck every day but it gets down to the teens sometimes where I live and my truck starts every time without being plugged in without issue.
It's a mixed bag on what company made any given battery in any given store. Around Dec 2018, they were switching to Exide made 65N, but as of Nov 2018 (the mfg date on my batteries) JC was making them. JC ones had caps sticking, while Exide were flat on top. Maybe it was a temporary extra supply they ordered to meet high demand beyond what JC could do. I saw several WMs in NW Texas that were totally out of 65N batteries around that time.
I think they went back to JC, since the pic is back to showing the raise caps:
https://www.walmart.com/ip/EverStart-Maxx-Lead-Acid-Automotive-Battery-Group-65n/20703125
The price has gone up about $5-6 in the past year or so too, from around $92-93 to $98.xx
The Exide version doesnt come up in normal WM searches, but found it via Google: https://www.walmart.com/ip/EverStart-Maxx-Lead-Acid-Automotive-Battery-Group-65n/194526936
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