Test/review of Samsung INR21700-50E 5000mAh (Cyan)

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toobadorz
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SKV89 wrote:
I don’t trust any cells with button tops not added by the OEM because the resistance can be extremely high unless the specific cell with the added button top is tested by HKJ or Mooch to show otherwise. The Vapcell NCR21700A with the soldered button top increased the resistance so much that it performs much worst than the M50 or 50E, so there’s no point of buying the button top version of the Vapcell NCR21700A. The Vapcell recessed top version would still be a good buy if you have a compatible charger.

Adding a new top should never make this cell perform worse than 50E, if it was done well. The original recessed top is easily getting damaged or scratched (it’s aluminum), that concerned me so I once abandoned this cell until these processed versions are available.

shadockan
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SKV89 …..
You mentioned above that in your opinion the
Lishen LR21700SF is the largest capacity battery for today.
This is wrong my friend.

If you compare Lishen to high demand with Moli P42A – Samy 40T , you will see Lishen loses a lot.
Also think that the electronic devices shut down about ± 3.2 volts.

The mAh that has delivered these three batteries at 3.2 volts
—- with 10A discharge is —-
Moli = ± 3500mAh
Samy = ± 3200 – 3300mAh
Lishen = ± 3500 – 3550mAh

—- with 20 Amps discharge, things are very different … —-
Moli = ± 3200mAh
Samy = ± 2980 – 3000mAh
Lishen = ± 2900 – 2950mAh

So it’s what you want to succeed.
On any measurement between these batteries, you’ll see Moli-Samy perform more Volts.
This means we have more power (Watts) across the discharge range.

So selecting a battery should be done with the purpose of the result we want to get and not based on the label numbers.

—- I believe you understand that I write in a spirit of friendship —-

Agro
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Few flashlights can sustain 20A discharges from 4.2 to 3.2V. If any – actually none comes to my mind.
3A is more like it. Some larger lights can do significantly more. 10A – maybe though I haven’t seen it yet.
Furthermore not all users need to discharge at the thermal limits of their flashlights. Comparing at much lower rates is meaningful as well.
Therefore showing capacity at high discharge rates shows only a part of the picture.

SKV89
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shadockan wrote:
SKV89 ….. You mentioned above that in your opinion the Lishen LR21700SF is the largest capacity battery for today. This is wrong my friend.

I didnt say the LR2170SF is the largest capacity 21700. I just said Mooch’s test found it to be the best high capacity 21700 and is also my favorite high capacity 21700, which I use in my medium output lights. I mainly use these lights in low or mid modes (under 5A) anyways with occassional turbos, which is where the Lishen shines. For my high output lights like the E07 xpl version, I would use 30T, 40T, and P42A.

shadockan
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Agro my friend, I’m not referring to an exact description.
I have referred to the capabilities of these batteries as an overview.
I also say that the choice is based on what we want to achieve.
So if someone asks for less power then the larger capacity is natural to perform better.

SKV89 my friend ……
my mistake ….
Sorry …

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