Samsung 40T color

Vincent7 · 2019-12-09T20:32:52.000Z

Thanks

BaronVonEissler · 2019-12-09T20:41:45.000Z

Definitely a fake with that wrapper. Manufacturers code is not right. Just curious, what does the positive pole look like? Side by side comparison.

I forgot,where did you get it?

Vincent7 · 2019-12-09T20:46:07.000Z

Hope you can see it clearly.

Vincent7 · 2019-12-09T20:47:32.000Z

It came from Illumn. Always had top notch service from them. Hope it’s legit. Thanks

KawiBoy1428 · 2019-12-09T21:13:49.000Z

Vincent7:

It came from Illumn. Always had top notch service from them. Hope it’s legit. Thanks

Mine are baby blue too…their legit… The 48G and the 30T are the same color…

A. Samsung 40T 21700 4000mAh 35A Battery

B. https://liionwholesale.com/collections/batteries/products/samsung-40t?variant=12252585885790

Vincent7 · 2019-12-09T21:11:16.000Z

Thanks,
I was curious about the tan/grey one. I haven’t seen one that color. I haven’t been around 21700’s
very long. I might have missed the tan/grey ones.

scintillator · 2019-12-09T21:16:57.000Z

Illumn website shows blue not gray.

illumn.com

21700 Samsung INR21700-40T 4000mAh High Discharge Flat Top

Price: USD 8.99

FlashPilot · 2019-12-09T21:18:27.000Z

Thanks Kawi

KawiBoy1428 · 2019-12-09T21:27:24.000Z

Vincent7:

Thanks,
I was curious about the tan/grey one. I haven’t seen one that color. I haven’t been around 21700’s
very long. I might have missed the tan/grey ones.

Yep…your welcome

The MOLICELL P42A is the same Grey color as the 48G 30T too…

Vincent7 · 2019-12-09T21:22:19.000Z

I appreciate all the help . Great group. Glad I joined.

KawiBoy1428 · 2019-12-09T21:28:10.000Z

FlashPilot:

Thanks Kawi

:+1:

snakebite · 2019-12-09T23:44:45.000Z

tried your tan 40t code at batterybro.
invalid.
so where did the tan 40t come from?
can you test capacity?

Vincent7 · 2019-12-10T00:44:00.000Z

Just got a response back from Illumn.

“I apologize for the confusion - we haven’t updated our website pictures but all our 40Ts are now this color. We have consistently been receiving cells of this color. ”

Vincent7 · 2019-12-09T23:56:56.000Z

They said they’ll run a load test on one and let me know.
I think that’s great service on their part.

CNCman · 2019-12-09T23:59:35.000Z

I would give them all the tests, just for curiosity.

Barkuti · 2019-12-10T03:50:30.000Z

If a reputable seller like Illumn says the above it is very likely that 40T cells are now being manufactured that way. Manufacturers can change their wrap and can markings as they see fit. LG also applied some drastic changes to their wraps relatively recently.

Battery cells are technical and industrial products, their manufacturers have absolutely no interest or need to announce changes in their processes with any loud fanfare. It is pretty understandable.

move · 2021-03-19T12:58:41.000Z

Hi, any idea if this 40T original samsung?
Thank you so much.
(40T version 2 gray wrap)

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Barkuti · 2021-03-19T14:04:41.000Z

move:

Hi, any idea if this 40T original samsung?

…

https://a.aliexpress.com/_m0Ueaob

First of all, I understand this is not your problem but it is overall better if you can share standard “www” AliExpress links. This is the standard, fuss free link for the above: https://www.aliexpress.com/item/4001119981096.html

The reason I say this is because stupid AliExpress insists in changing the site language of whoever clicks in these links, instead of following the user's language cookie. But well…

That C&P Official Store looks like a tool battery store; and as far as I can see everything matches, price included. I'd trust them, is all I can say.

Thanks for sharing.

SubLGT · 2021-04-01T17:38:01.000Z

Mooch has tested the Samsung 40T3 :

E-Cigarette Forum

Bench Test Results: Samsung 40T3 35A 4000mAh 21700...latest version of the 40T

These tests below only note the ESTIMATED ratings for these batteries at the time I tested them. Any battery that is not a genuine Samsung, Sony, Murata, LG, Panasonic, Molicel, or Sanyo can change at any time! This is one of the hazards of using...

…This is the newest version of the great performing Samsung 40T. It can be identified by a “3” at the start of the third line of printing on the wrap (see photo below). The 40T1 had no separate number at the start of the third line. There was no 40T2.

The 40T3 performed the same as the 40T1 at 10A but at above 15A or so the 40T1 is the better performer. But the 40T3 datasheet shows it having a much longer cycle life than the 40T1. So while Samsung increased the overall life of the 40T, something I am sure their customers wanted, you get nothing for free with li-ion cells and I guess the performance had to drop a little. The 40T3 datasheet shows the 40T3 equaling the 40T1 though.

The two cells I tested delivered 4162mAh and 4177mAh and had a DC internal resistance average of 12.9mOhm. This is good consistency and both cells exceed Samsung’s 4000mAh nominal capacity rating…

The 40T3 has a purple wrapper:

TIFisher · 2021-04-01T18:25:30.000Z

SubLGT:

Mooch has tested the Samsung 40T3 :

Bench Test Results: Samsung 40T3 35A 4000mAh 21700...latest version of the 40T | E-Cigarette Forum

…This is the newest version of the great performing Samsung 40T. It can be identified by a “3” at the start of the third line of printing on the wrap (see photo below). The 40T1 had no separate number at the start of the third line. There was no 40T2.

The 40T3 performed the same as the 40T1 at 10A but at above 15A or so the 40T1 is the better performer. But the 40T3 datasheet shows it having a much longer cycle life than the 40T1. So while Samsung increased the overall life of the 40T, something I am sure their customers wanted, you get nothing for free with li-ion cells and I guess the performance had to drop a little. The 40T3 datasheet shows the 40T3 equaling the 40T1 though.

The two cells I tested delivered 4162mAh and 4177mAh and had a DC internal resistance average of 12.9mOhm. This is good consistency and both cells exceed Samsung’s 4000mAh nominal capacity rating…

The 40T3 has a purple wrapper:
https://www.e-cigarette-forum.com/attachments/17e9b902-52ff-4708-b7e6-3721766df4fb-jpeg.936455/

Thanks for sharing this. The last couple I got from Illumn are 40T3’s. Pricey, but worth it. Not worried about what little difference in performance would be sacrificed for longevity as none of my current stable of 21700 lights pull more than maybe 12.5A on short bursts of turbo.