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Most Frequently Asked Questions About Operating Systems Here you will find some of the most frequently asked questions about the operating systems on a 'Bird. If you have one that you think should be added place it in here.

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Old 11-22-2016
gcyeaw's Avatar
gcyeaw gcyeaw is offline
Join Date: Dec 2007
Location: Ridgewood
Posts: 8,534

Originally Posted by hansruys View Post
Well now Rick, if my flashlight batteries cost $250 each
I certainly would mix them but I get your point!

Thanks for the "heads up" Gardner,
I've been researching the subject and learned quite a bit.

Like anything else on the internet there are a lot of opinions "out there"
here's a link to another RV forum where (John from Detroit)
answered most of my questions.

Battery and tire discussions are about the same. Combinations of facts and hear-say. As long as you do some research, understand the principals and keep an eye on things (preferably with eye protection) you should be fine. Specific gravity is a good method of determining how each cell is doing and can reveal issues that otherwise might not be apparent.
Gardner Yeaw
86 PT-36 Golden Memories
78 FC 33 Happinest (Sold)
Ridgewood, New Jersey
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Old 11-22-2016
Turbokitty's Avatar
Turbokitty Turbokitty is offline
Timberlake Products Group
Join Date: Apr 2008
Location: Clearwater
Posts: 4,890

Originally Posted by Jim Brookshire View Post
At the risk of offending the purest among us, I would also choose to mix new batteries with good used ones. Yes it is not perfect, but it is also not "perfect" to throw away good batteries just because some of the them have gone bad. The LXI has 6 ea 4D's. If you replaced the whole set a year ago and then one has a shorted cell, you should replace all 6? I don't think so! Maybe the new battery would work a little harder than the other 5 for a short period, but I would expect soon it would fit right in. It doesn't make sense to throw away 5 batteries with 5 or 6 years of life left to keep from working the 1 new one a little bit harder for a while.
Could buy a fork lift, har!

Ryan and Michelle Saari
1985 PT36
1983 FC35RB Left me for Atlanta!
Clearwater, Florida

My Ebay store:http://stores.ebay.com/Timberlake-Pr...oup?rmvSB=true
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Old 11-23-2016
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hansruys hansruys is offline
Senior Member
Join Date: Apr 2016
Location: St. Petersburg
Posts: 170

understand the principals and keep an eye on things
That's exactly what I intend to do,
a hydrometer reading on every cell once a month,
the reminder is already programmed into my phone's calendar.

I'm not ready to throw away what may or may not be good used batteries,
I'll never be a "purist" but I am here to learn,
before this tread I had never heard of the "issue"
if there is a significant "difference" I may keep them as a "backup"
by adding a third battery switch to separate them,
Not sure, I need to think on that some more.
Hans Ruys
St. Petersburg Florida
94 WB
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Old 11-24-2016
fltundra fltundra is offline
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Join Date: Sep 2016
Location: Key Largo
Posts: 22

When battery get older its internal resistance/impedance increases, chemical properties changed so when a fresh battery added in old batteries it could not be balanced with remaining old batteries in the string and according to series resistance calculation every different value in string will get different charging voltage, hence could not be charged or discharged evenly, resulting reduced performance of whole battery bank.
Stan Meacham
Key Largo, FL
1990 36SP
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