Golisi IMR26650 4300mAh (Gold)
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Official specifications:
- Nominal capacity: 4300mAh
- Constant discharging: 35A
- Nominal voltage: 3.7V
- Discharging cut-off voltage: 2.75V
- Charging cut-off voltage: 4.20V +/-0.05V
- Internal resistance: 30mOhm
- Standard charging current: cc/cv <=2A
- Operating temperature: Charging: 0°C ~ 45°C, Discharging: -20°C ~ 60°C
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This is a high current 26650 cell with moderate capacity.
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The batteries easily handles up to 20A without any significant drop in capacity. The curves tracks fairly well, with only a minor capacity difference.
The 15A discharge curve for the A cell is missing, my equipment had a fault during the charging after the 10A test.
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The battery gets hot during a 30A discharge, but not too hot.
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Conclusion
A 30A discharge current is usual problematic for a 26650 cell, but not for here, the cell can handle it.
This is definitly a high current cell!
Notes and links
The batteries was supplied by Golisi for review.
How is the test done and how to read the charts
How is a protected LiIon battery constructed
More about button top and flat top batteries
Compare to 18650 and other batteries
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My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/
Thank you for testing these HKJ. Those results sure look good for high current use.
Thanks HKJ once again. Nice looking cell.
Any idea where to purchase it?
Good looking solution for high current needs, around 7amps or more. Otherwise Shockli 5500mAh 26650’s for long run time.
Thank HKJ.
Mike
Nice review HKJ, Thanks!
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individuals: Recommend gearbest
bulk purchasing: me (info@golisi.com)
safe and durable fast chargers and Li-on batteries
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Nice cell.
Thank you one more time HKJ.
Thank you.
Golisi …..
Keep up the good job ….
Welcome to the new kid on the block!
You are a flashaholic if you are forced to come out of the closet, to make room for more flashlights.
what is the price IMR26650 4300mAh (Gold) and 18650 30000 mah?
Nico -.-
Do they come in button top ? If so I’d like to get some .;)
"Let your lite shine "
This cell has no protection pcb, right (at the Banggood website they advertise this as a protected cell)?
You are right, it probably does not have a protection PCB, but it is not totally unprotected.
HKJ has written a detailed explanation about protected batteries, follow the link to:
“How is a protected LiIon battery constructed” in the OP.
You are a flashaholic if you are forced to come out of the closet, to make room for more flashlights.
Thanks!
Is it possible to purchase real Golisi-4300 on Ali-express or are there already fakes of this “gold”?
Dear HKJ,
have you ever tested cells from torn-down Tesla batteries?
I remember Elon Musk once said that Panasonic cells used in car batteries are different from those available on the consumer market.
May be, your test will give an idea which of known cells they might be similar to? (like, Ikea Ladda/Fujitsu 2450 cells)
No, I have not tested Tesla batteries.
My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/
Hope some day you will test them and we will know what they are like. Most probably, some high-drain type like PF.
I am not really interested in testing used batteries (Except when sold as new) and getting new Tesla batteries is probably not possible.
My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/
I think “like new” with minimum mileage (or cycles) is possible.
I am not talking about used or rewrapped cells, I mean genuine Tesla cells that may have different chemistry. I am not talking about worn-out batteries.
My problem is getting the batteries, the only offer I have had for Tesla batteries are from a old pack.
My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/
Yes, there is a point only if someone offers you a new salvaged battery.
Specs look very much similar to PF, but charging current is higher.
https://www.ebay.com/itm/10-of-Tesla-Panasonic-18650-Lithium-Ion-Cells/1...
No it does not. Stop talking BS you read in Russian patriotic blogs.
This thread is a test by HKJ and my request concerns finding out the chemistry of Tesla cells and if they are close to any known NCR models. If you can’t tell the exact type then for God’s sake do not litter this thread.
What do you mean by BS / Russian patriotic blogs?
Can a single flapping of a butterfly's wings trigger a tornado at the other end of the world?
I think, and I am pretty much sure that I was NOT talking to you.
Probably, there is no need to remind that this is a general FORUM, and in no way PERSONAL correspondence with any particular person. Therefore, your questions about Panasonic in this topic about Golisi, in fact, are inappropriate here for everyone else, and not just for volchyonok.
They use very high capacity. There is no need for high drain once you consider how many cells there are.
Some older model vehicles used Panasonic NCR18650B 3400mah (possibly). The newer 21700 are around 5000mah.
Here is a thread where you can read more about the new cells.
Texas Ace Lumen Tube and JoshK Sphere calibrated with Maukka lights
Click this to go to signature links. I'm still around, just not reading many new threads.
It is widely assumed that it is 18650b, but people say that the current curves are different. It appears that there are several subtypes of the B.
https://teslamotorsclub.com/tmc/threads/teslas-85-kwh-rating-needs-an-as...
Juste un autre ennemi à moitié plein d’esprit de la société californienne qui croit pouvoir exprimer son opinion de profane partout, même quand on ne le lui demande pas. Mépris
It’s protected only in the sense it has a fusible link in it. It doesn’t have a traditional circuit board to protect it. You can see where it says 25A constant. No pcb protection board goes that high (to my knowledge). It is also listed as 65mm long. Normal protected batteries will be around 69mm or 70mm long.
Here is Banggoods listing:
Safety protection: S43 has a protection mechanism. It stops working immediately and permanently when short-circuited, no worries of flame or leaking.
We refer to this as unprotected.
Texas Ace Lumen Tube and JoshK Sphere calibrated with Maukka lights
Click this to go to signature links. I'm still around, just not reading many new threads.
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