Forum Discussion
pnichols
Sep 06, 2021Explorer II
Lumpty wrote:
I have a pair of, IIRC for size, Group 31 AGM's I bought from Sam's Club 4+ years ago. Not outrageously priced, and have worked fine. No issues using all 12v stuff whenever needed for up to 48 hours. We almost exclusively dry camp at race tracks, and will only run the generator if A/C is needed or to use the microwave.
That's exactly the situation when we camp with our pair of Group 31 AGM's ... except not at race tracks. No expensive lithiums and their supporting battery management systems required. ;)
(In fact lithiums pose a conundrum -> they are outstanding because their terminal voltage holds up well right close to the point where they are empty, but they are problematic because you can't hardly tell how close they are getting to empty by monitoring their terminal voltage!)
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