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Sanyo UR18650F Cell Specifications
#11
Just got a few of those F SANYO cells, green ring, 2400mAh according to the (probably 3rd party) battery pack. Those F cells really have messed things up!

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#12
(02-03-2019, 10:42 AM)thanar Wrote: Just got a few of those F SANYO cells, green ring, 2400mAh according to the (probably 3rd party) battery pack. Those F cells really have messed things up!

Yes I agree I have always thought the green ring Sanyos are UR18650FB 2400 mAh cells and the Blue/Cyan are the UR18650F 2500mAh.

But I got a bunch of the green ring ones and they plainly say UR18650F on them. Throws the database off by 100mAh.
They are testing out at between 2100mAh to 2300mAh with an IR of 51mΩ to 48mΩ.
I guess Sanyo lost the B stencil in this batch. Or maybe they want to see how much they can mess with the cell harvesting guys like us.
Or maybe because Panasonic got involved. Who knows. 
Wolf


(05-01-2019, 08:01 AM)PritiAgarwal14 Wrote: How many kinds of batteries are there? Can someone please tell me?

I personally have 250 different model numbers in my database.

See the SLS database here for a more complete list.https://secondlifestorage.com/celldatabase.php

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 5/19/2019
Total Number of Cells                          5263
Cells  >80% of Capacity                      3703
Cells <80% of Capacity                       1535
Cells ≥2200mAh & ≥ 80% & ≤75mΩ    2563
For Info Google Drive
Not your average Wolf       
            Cool



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#13
Have pink UR18650Fs out of a SONY battery pack with BLACK ring and battery pack capacity of 4400mAh. Also got “F” imposed on negative end but no other letters.
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