Quote:
Originally Posted by Kminor28
Bob is correct, I have 6 volt batteries. Can anyone recommend how to become knowledgable on this subject? I don't understand the benefit of a 4 battery system if all I am getting is 220ah, listed as the output of one battery. I understand a series connection giving me 12v, what about the other 2 batteries, also connected in series, then hooked up in parallel, or so it appears. Any suggestions on where to look for a better battery monitoring system? We do a great deal of dry camping.. thank you all for your responses. The more I learn the more I realize how little I know!
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As I stated above you actually have 440 AH of capacity but since drawing Flooded Lead Acid (FLA) batteries down below 50% can cause damage to the batteries the usable capacity is 220 AH.
Batteries in series add voltage but the AH don't change so it takes two of your 6 volt batteries in series to give you 220 AH at 12 VDC.
Batteries in Parallel add capacity but the voltage doesn't change, so your two series strings in parallel doubles your capacity to 440 AH at 12 VDC.
A lot of people swear by the Victron battery monitor:
https://www.amazon.com/Victron-Energ...dp/B075RTSTKS/
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