optima d31 batts
optima d31 batts
PM D3100 from what I've heard
Hc 3800>>>>hc 2400
I dig the nsb90 and the d3100. Both are winners.
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After the tests, that I did today, I would say hands down the NSB G3100 is the strongest group 31 battery I've worked with to date. I have worked with just about every group 31 battery and below worth testing. Good luck!!
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What are you considering powerful? One group 31 could have a high AH and another group 31 could have a high CA. You trade off between AH and CA by how thick the plates are. You can only fit so much lead in a group 31 batt.