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LG LGDAS31865 Cell Specifications
#1
Warning: The information in this thread was obtained from various sources on the Internet, including any datasheets linked below, and is provided for reference only. It is not guaranteed to be accurate. To prevent fire or personal injury, never charge or discharge a cell before verifying the information yourself using the original specifications sheet provided by the manufacturer.

Brand:LG
Model:LGDAS31865 (ICR18650S3)
Capacity:2200mAh Rated
Voltage:3.60V Nominal
Charging:4.20V Maximum
1075mA Standard
2150mA Maximum
Discharging:3.00V Cutoff
430mA Standard
3225mA Maximum
Description:Blue Cell Wrapper
White Insulator Ring
18650 Form Factor

Data References:
http://www.meircell.co.il/files/LG%20ICR18650S3.pdf

Pictures:
#18650
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#2
I found 2 variants of the same model

mike likes this post
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#3
Variants with three line print

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#4
These cells are really good.  Wink
I used them between 4.25v to 2.88v *
without loss of performance.. or loss of work time between recarges.. (that i noticed at least)
          * 2.88v Voltage trigger of the Voltage detector MicroChip TC54 IC

But this cell's have (to my point of view) a great weakness...
some  kind of "bimetal fuse" (I think)

When you exceed his amper peak capacity.. for too long..
you hear a very audible "snap" (similar to when you broke a pencil)
and the cell dies completely .. Voltage 0 .. even when a second before you have 4 volt's or more..

I recommend use this ones only for constant consumption .. electronic consumption .. resistive consumption..
i test this ones with a wire resistor.. 1.6Amp of consumption .. and they are fine..
barely warm when it goes under 3.5volts...

I do not recommend using it with a device that produces consumption peaks .. such as motor..
...
Greetings from Argentina... Ramidileo.sys
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#5
What you are hearing is the CID pop, effectively creating a gap between the positive cap and the positive electrode of the cell. It's not a weakness, it's actually quite beneficial in that the cell cuts power before it can reach pressures that will make it explode or go into thermal runaway. The CID can be reset, but the cell has likely been damaged permanently and the CID may not trigger in a future high pressure event.
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#6
(04-20-2019, 11:25 PM)Dallski Wrote: What you are hearing is the CID pop, effectively creating a gap between the positive cap and the positive electrode of the cell. It's not a weakness, it's actually quite beneficial in that the cell cuts power before it can reach pressures that will make it explode or go into thermal runaway. The CID can be reset, but the cell has likely been damaged permanently and the CID may not trigger in a future high pressure event.

thanks Dallski...
CID  Current Interruptor Device... ¿right?
I knew was something there ... I just did not know his name ..  Wink

"The CID can be reset..."
any good video or tutorial of how to do that??  Confused

-----
added 41 minutes later...

what bothers me.. is that sometimes you hear them snap..
and they are even hot.. barely warm..
and on the same task .. with the same motor or tool.. other cells like Lishen LS or Shenzhen BAK do not have any problem...
-----
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#7
Yes, Current Interruptor Device. HBPowerwall (this forum's creator) had a video about resetting CIDs, it's on youtube https://youtu.be/cILuXf3N5jQ

These LG cells are "the bottom of the barrel" offering from LG. They are extreme budget cells to keep the laptop battery manufacturers from going the Chinese route. They are only rated for 300 cycles, and maximum discharge is 1.5C. Most decent cells that LG and the other name brand manufacturers produce will do at least 2C and will be rated for 500 cycles. In my testing of these cells, I have done 200 cycles of this cell and have only experienced 5.5% degradation, so they are not that bad. But do not use them for any high current applications.
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