Anyone know how to figure amp hours?

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Risky buisness Member	# Posted: 30 Jun 2021 07:06pm Reply Quote Hey..... been looking around how to figure total amp hours for a battery bank. 8 12v lead acid 90 amp hour each wired series parallel to get 24v. I know that a parallel connection doubles the amp hours for a single ' pair ', but does that carry through for the entire system, or 4 pairs..... ?

Atlincabin Member	# Posted: 1 Jul 2021 12:13pm Reply Quote What you really want is a comparison of watts in terms of power. Volts x amps = watts. So in your case 12v x 90A = 1080W, multiply by 8 batteries gives 8640W. You put them in series to get 24v, and now you have 24v x 90A = 2160W for the pair of batteries. 4 pairs gives 8640W, same as before. Hope this helps.

Small Cabin