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Hello CMT,
http://www.solarexpert.com/Batteries/batchart.html
you will see from the wiring diagram above you are correct.
admittedly bob fulks contacted about the same thing and yes i have it
wired wrong and i will tell you why. if you notice or if you have
had to change battery's while keeping your network up and running you
have to wire it like i have it.
see i can un connect all the batteries except one the way i have it
and hot swap them. but when you wire it correctly you can't - now
admittedly i could have done some fancy switches or a jumper cable
thing but i just left it as is and had no problems. i swap and keep
the batteries rotated from time to time.
DJC> I have a much smaller version of your UPS setup but wanted to ask
DJC> you a question in regards to your wiring. My father in law is an
DJC> electrical & mechanical engineer. He had me wire my parallel like
DJC> the diagram you display on your site with the Positive connection
DJC> running off the far or opposite positive terminal instead of the
DJC> same battery as the negative connection. His explanation was that
DJC> this would provide a more even draw from the batteries where as
DJC> the front battery wired for both would actually become resistance
DJC> as power was drawn through. Does it really matter or as usual did
DJC> I take the bait from the old man.
--
Thank You,
Mark Brown
www.markbrown.com
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