Vehicle & Technical > Discovery
Advise needed wiring twin batteries in parrallel!
Slimer:
Woah! I think you missed the bit I quoted :?
He's just saying that your batteries don't have to be identical to run in parallel. Which is what you're doing I think Colin, don't know if you're batteries are identical or not but it shouldn't matter
petergalileo:
I won't shoot the messenger. I would have thought that mixing 2 differing ampage batteries the higher capacity battery would try and charge the lower amperage battery.
It would also make sense that if you had an old battery and added a new battery the new battery would try and charge the old battery. This is why electrical equipment tell you not to mix old and new batteries.
Connecting 2 batteries together that are different they would try and balance themselves out.
Bulli:
Peter I think thats the point Slimer was making is they do balance themselves out without the need for a complicated system and the idea that charge travels between them ad infinitum is untrue.Ie they both charge/discharge equally.
sulley:
When you do this (run two batteries in parallel) do you need to uprate the alternator to a more powerful/capable one??
petergalileo:
I wouldnt have thought so, you are just adding storage capacity to the system.
It would follow that if you managed to flatten both batteries it would take longer for them to charge up again.
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