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04-22-2023, 12:34 PM
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#71 |
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Getting Wild
Join Date: Mar 2012
Location: Central Illinois
Posts: 146
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Re: Allied lithium 48v 150ah
Thanks for all the replies guys.
One last question regarding maximum cell difference from highest to lowest. I am seeing about .25. I believe I read as long as it isn't greater the .3 your ok. |
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04-22-2023, 12:37 PM
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#72 |
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Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,170
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Re: Allied lithium 48v 150ah
If that's accurate, that is quite a big imbalance. I would shoot for .05 to .10 for best results.
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04-22-2023, 12:41 PM
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#73 |
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Gone Wild
Join Date: Apr 2008
Location: Western NY
Posts: 2,283
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Re: Allied lithium 48v 150ah
keep tabs on whether its always the same cell that higher or lower.. maybe the pack is just not fully balanced for some reason but yeah .25 is pretty high as far as an imbalance... my bms turns on balancing is the cells are any more out of balance than .015v
when I first built my pack I had a "runner" cell that would shoot up to the 3.65v before all the rest... after a good week of balancing that cell has calmed (likely wasnt actually balanced) down and im not seeing any issues with balance under discharge or charging conditions. |
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04-22-2023, 01:05 PM
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#74 |
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Getting Wild
Join Date: May 2020
Location: MARYLAND
Posts: 114
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Re: Allied lithium 48v 150ah
As a comparison....
I took my cart back in our woods today. About 40 acres and several miles of trails. I started at 100% and after about 2 hours of trails and maybe 1.75 miles I was down to 88%. This is still much better than my lead acids would do. Best part is I don't have to worry about the water in the batteries.  |
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04-22-2023, 05:21 PM
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#75 |
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Getting Wild
Join Date: Mar 2012
Location: Central Illinois
Posts: 146
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Re: Allied lithium 48v 150ah
Now that I made that statement I am over the .3. This is only the second charge cycle if that matters
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04-22-2023, 06:10 PM
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#76 |
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Gone Wild
Join Date: Dec 2020
Location: Melbourne, Australia
Posts: 1,942
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Re: Allied lithium 48v 150ah
That pack is way out of balance. It’s not just one cell, it’s many.
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04-23-2023, 10:36 AM
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#77 |
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Getting Wild
Join Date: May 2020
Location: MARYLAND
Posts: 114
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Re: Allied lithium 48v 150ah
Mine for reference.
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04-23-2023, 10:49 AM
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#78 |
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Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,170
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Re: Allied lithium 48v 150ah
That is what a well balanced high quality pack should look like.
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04-23-2023, 12:54 PM
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#79 |
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Getting Wild
Join Date: Mar 2012
Location: Central Illinois
Posts: 146
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Re: Allied lithium 48v 150ah
Thanks again everyone, I will be reaching out to Total Lithium tomorrow.
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04-23-2023, 05:22 PM
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#80 |
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Gone Wild
Join Date: Apr 2008
Location: Western NY
Posts: 2,283
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Re: Allied lithium 48v 150ah
have you tried leaving it on the charger fully charged to balance ?
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