Unfortunately wet cells are all gone. These batteries have already had an abundance of miles on them. And have performed well. This problem has come on slowly.
Possible the cells have just now degraded enough that they can’t keep up with the load. Did ok at 100%, degraded to 95% and that was just enough to start throwing errors.
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Where are you located @Rosco ?
@Inwo might have a nema box available, talk to him maybe you can buy it and return it If it still has the same problem
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I was thinking the same thig, Nema battery. Better if George was going that way. Or bring the car in, I can test it.
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Grand Rapids Michigan area
I would go with Dave’s nema 14s. Test and then see what happens
Please, try this… we can eliminate the pack (or pin point) and then go from there