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Electrical Discussion of preventative/corrective maintenance and other technical issues regarding your coach's electrical system.

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  #11  
Old 08-06-2019
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sailor7cs sailor7cs is offline
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Shahin,
You might try some golf cart dealers for batts they are near you;
Golf Cart Dealers


HTH


Quote:
Originally Posted by Shahin View Post
Thank you, we are full timing and in Olympia WA, the nearest Sam’s is in Great Falls MT. near 700 miles away. But, may be its worth the wait since we are planning to go though MT anyway.
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  #12  
Old 08-06-2019
DW SD DW SD is offline
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Quote:
Originally Posted by badandy View Post
I believe East Penn makes the Duracells. Nothing wrong with them. I don't think any of the lead acids are made overseas because they cost more to ship than they are worth. I don't believe there is any real measurable difference between like-sized Crown, Trojan, or any other USA GC2 in build quality. Just find a good deal and buy 'em, none of them are cheap.
I don't have enough first hand data to make a good argument... however, I've read the premium brands have more robust lead grids. And more lead, period.
Just knowing the battery weight alone can be differentiating.

I did get six years out of costco GC2 lead acids in the PT-36. I know for certain a big driving factor is how they are maintained, stored (always @ 100% charge first) and how they are charged as well as not discharging too far (not below 12.0V to maximize cycles).

In terms of charging, per MFG (Lifeline, presently) spec, absorb charge rate below .5% of rated Ah capacity = 100% charged. IE... 600Ah bank @ >3.0 amps.

Good luck,

Doug
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  #13  
Old 08-08-2019
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Shahin Shahin is offline
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I bought 8 Duracell group 31 deep cycle batteries. I had new 9" wires made to replace the old ones that were suffering from a bad case of corrosion! But I have other problems now. First the battery wiring is unfamiliar to me and nothing like the ones I have seen on this site or others. Please see my diagram and pictures attached.

each tray runs a positive and negative wire about 2 to 3' back of the tray on a wall mount with two post sticking out (one positive and one negative). They seem to be essentially parallel but each tray has its own positive and negative lines running back to???

These longer wires seems to have bad case of corrosion as well. Now I guess I need to change all those wires as well but I am not sure what those post are that these wires connect to and there are other wires runs to those post that I wonder if they are any good!

First is the way these trays are wired ok?
Second since I only know enough about this stuff to get myself in trouble who should I take the bus to have the system and rest of the wires checked? I was thinking on finding a Magnum installer/dealer around Seattle area - any referrals?

Thank you,
Attached Thumbnails
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Attached Files
File Type: pdf battery.pdf (61.4 KB, 45 views)
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  #14  
Old 08-08-2019
K Ridley K Ridley is offline
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I'm in Spokane until the18th and will be available next week. If you can get it here I would be happy to help you out with the cables. Give us a call.
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  #15  
Old 08-08-2019
badandy badandy is offline
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Your PDF looks perfectly good, that's a good way to wire them all up.
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  #16  
Old 08-09-2019
DW SD DW SD is offline
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Quote:
Originally Posted by badandy View Post
Your PDF looks perfectly good, that's a good way to wire them all up.
Agree. Ideal would be if the leads from the upper and lower banks to the combiner studs were even length at least positive pairs and negative pairs.

Then you are more likely to have the loads distributed evenly between the two battery banks.
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  #17  
Old 08-09-2019
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As far as I know, my batteries came from the factory wired like this in my 91 WB:
Attached Files
File Type: pdf Batteries.pdf (34.6 KB, 46 views)
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  #18  
Old 08-09-2019
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shane has a great setup..maybe he will post his pic
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