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17 volts at a 12 volt battery bank???

PostPosted: Wed Mar 10, 2010 10:34 am
by johnrosendale
I have two battery banks on my boat. With the AmplePower alternator running, and an amplepower 3-step regulator, I get 14.6 volts on one bank and 17 volts on the other. I get 13 volts without the alternator running on each bank. Any idea why I would be getting 17 volts? Could this be a problem with a bad battery bank?