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Anyone knows these cells?
#11
(03-02-2019, 03:30 AM)Wolf Wrote: The red ones appear to be Sanyo UR18650F. What color is the insulator ring?

Red too:
 

(03-02-2019, 03:30 AM)Wolf Wrote: You really should not undress the batteries like that as that can be VERY dangerous. Also your nickel strip trimming needs to improve dramatically all it takes is for that positive nickel strip to contact the body of that batterie and if the battery has a good charge on it there will be sparks flames and possibly a fire.

Wolf

Before I removed the label, I checked the voltage and it was 0V, before I tried to charge (with 3V 100mA) I put the label back temporarily, if the battery was good I would put a shrink tube.
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#12
Quote:Before I removed the label, I checked the voltage and it was 0V, before I tried to charge (with 3V 100mA) I put the label back temporarily, if the battery was good I would put a shrink tube.
Whew good OK I was worried.

Red or almost a reddish orange probably a UR18650FJ

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       
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#13
If you care at all about your life, i strongly urge you to stop what youre doing and do some further research into how to properly handle these batteries.
2 or 3 in series not a huge deal but start stacking them and you're not gonna be a happy camper.
For your own good, please stop with the unwrapped cells
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