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Lithium Iron Phosphate
#21
Yes you can swap out the current BMS to batrium and it would work fine in 48VDC setup.
Using the current bms when having multiple in series is not recommended.
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#22
So here are the results of the test on these K2 batteries.
This is a sample of ~70 some batteries.
I tested the 5 I took with me. What do you think?
Worth it or not.
Wolf
If 18 X 650 = 2200+mAh then we have power! 
May all your Cells have an IR of 75mΩ or less Smile
Last count as of 5/23/2019
Total Number of Cells                          5354
Cells  >80% of Capacity                      3801
Cells <80% of Capacity                       1553
Cells ≥2200mAh & ≥ 80% & ≤75mΩ    2645 (155) to go
For Info Google Drive
Not your average Wolf       
            Cool



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#23
Looks like there's some good capacity to be had?
Only 1/5 with higher IR/lower capacity?
I'd buy the lot if you can use them...
Running off solar, DIY & electronics fan :-)
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#24
All comes down to the price being right. I'd go crazy on them.
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#25
(05-13-2019, 04:20 PM)friedpenguin Wrote: All comes down to the price being right. I'd go crazy on them.

I will see what I can do and get back to you.

Wolf
friedpenguin likes this post
If 18 X 650 = 2200+mAh then we have power! 
May all your Cells have an IR of 75mΩ or less Smile
Last count as of 5/23/2019
Total Number of Cells                          5354
Cells  >80% of Capacity                      3801
Cells <80% of Capacity                       1553
Cells ≥2200mAh & ≥ 80% & ≤75mΩ    2645 (155) to go
For Info Google Drive
Not your average Wolf       
            Cool



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