Can't help you with the Walmart batteries. But offer something to think about.
Walmart has 12v @ 125ahr $65.00
Sam's club has 12v @ 105ahr $49.95
Sam's Golf cart 6v @ 189ahr $46.95
Recently I called around and found:
Crown Golf cart 6v @ 225ahr $57.88
I'm looking to put a 48v battery together. One super UPS for my house!
My target was 10kwhr. Math: cost / (volts * ahr) = $/whr.
Walmart 8x65.00 = $520.00 @ 12,000whr = 4.33 cent per whr.
Sam's 8x49.95 = $399.60 @ 10,080whr = 3.96 cent per whr.
8x46.95 = $375.60 @ 9,072whr = 4.14 cent per whr.
Crown 8x57.88 = $463.04 @ 10,800whr = 4.29 cent per whr.
My first thought was to go with the Sam's Golf, was the cheapest, now I see the better value is the Sam's 12v @ 105ahr battery.
I hear Crown is a good battery, So the question is the $64 more worth it?
I also hear the 6v golf cart batteries last longer than the 12v batteries. Reason is the plates are thicker in the 6v, therefore they last longer. What is true? I do not know.
Hope this give you something to compare. Answering your question help me out! Thanks!
Have fun.