20Ah li-on NMC cells UK London new boxed £12 each on box of 50 limited stock

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nickceouk   100 mW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by nickceouk » Jan 23 2020 3:19pm

amberwolf wrote:
Jan 23 2020 2:06pm
nickceouk wrote:
Jan 23 2020 8:33am
Not sure if the pm I sent you works as it s in Outbox and not going to Sent :?
https://endless-sphere.com/forums/viewt ... 13&t=15521
Thanks :D

jimbob01   100 W

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Re: 20Ah li-on NMC cells UK London new boxed £10 each on 50

Post by jimbob01 » Jan 24 2020 1:00am

Yes got it nick..sent you a pm just given me a call... Been travelling..just back now..😊
Last edited by jimbob01 on May 03 2020 3:59am, edited 1 time in total.

jimbob01   100 W

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Re: 20Ah li-on NMC cells UK London new boxed £10 each on 50

Post by jimbob01 » Jan 24 2020 1:08am

Sorry should read give me a call 😁
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Fidel   100 mW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by Fidel » Jan 28 2020 10:49am

Still have cells? I'll probably need like 140 cells.

Thanks

Enviado do meu ONEPLUS A5010 através do Tapatalk


jimbob01   100 W

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Re: 20Ah li-on NMC cells UK London new boxed £10 each on 50

Post by jimbob01 » Jan 28 2020 4:30pm

Pm sent Fidel 😉
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oleon   1 µW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by oleon » Jan 30 2020 5:15pm

Hi James

Today received my 50 cells.
Fast shipping, just one day before Brexit.. :mrgreen:
Cells looks very good and well packed.
I´m very happy with my purchase.

Thanks

nickceouk   100 mW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by nickceouk » Feb 03 2020 9:48am

Used the cells I bought from James today and they performed very good indeed.
The voltage drop I experienced(ebike) with other chemistry cells was much less noticeable with these.

:thumb:

jimbob01   100 W

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by jimbob01 » Feb 12 2020 2:31pm

£10 a cell boxed new 10c OEM cells still plenty available..pm for interest Europe courier delivery available.
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FilipK   1 mW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by FilipK » Feb 16 2020 8:26am

I like these, I like them a lot but according to my
calculation I need approximately 100 of them for my scooter, and when I look at energy density (either by volume or by mass) these seem not that great compared to let's say 18650 - is this the case or am I missing something?

jimbob01   100 W

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Re: 20Ah li-on NMC cells UK London new boxed £10 each on 50

Post by jimbob01 » Feb 16 2020 3:18pm

Hi they are around 180wh kg ...what makes them great is they are super easy to connect..M3 screws
Can discharge at 5c continuous and 10c bursts...
Also these are OEM cells .. very well matched..
I have some bussbars cut
And £10 a 20ah no solder cell .
Regards James
Last edited by jimbob01 on May 03 2020 4:01am, edited 1 time in total.

SlowCo   1 MW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by SlowCo » Feb 16 2020 3:56pm

FilipK wrote:
Feb 16 2020 8:26am
I like these, I like them a lot but according to my
calculation I need approximately 100 of them for my scooter, and when I look at energy density (either by volume or by mass) these seem not that great compared to let's say 18650 - is this the case or am I missing something?
What voltage is your scooter? If it's a 72V system you need 20 in series. If your calculations result in 100 pieces that means 5 of those 20 series in parallel for a 72V 100Ah battery pack. That is a huge pack! What power does your scooter have and what is your desired range?

LamereCycles   10 mW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by LamereCycles » Feb 18 2020 11:26am

Any chance of shipping to USA?

jimbob01   100 W

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Re: 20Ah li-on NMC cells UK London new boxed £10 each on 50

Post by jimbob01 » Feb 19 2020 7:40am

I've had a guy from Canada ship some ...he arranged everything...
Pm me if you are interested in the details.regards James
Last edited by jimbob01 on May 03 2020 4:02am, edited 1 time in total.

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macribs   1.21 GW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by macribs » Feb 29 2020 5:38pm

Subscribed for future references just in case ;)

snejky   10 W

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by snejky » Mar 02 2020 3:15am

We have batteries from James in 2P configiuration on 300A peak bike and they are great. The are deliver datasheet performace without problems.

jimbob01   100 W

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Re: 20Ah li-on NMC cells UK London new boxed £10 each on 50

Post by jimbob01 » Mar 02 2020 4:13am

Snekjy glad you have your bike up and running..I have the same driver going to Poland again this week if any more are needed 😁
Last edited by jimbob01 on May 03 2020 4:02am, edited 2 times in total.

liamcaff   1 kW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by liamcaff » Mar 02 2020 10:01am

What kind of BMS and chargers are you guys using with these cells?

Interested in getting 20 of these for a 72V 20s 1p battery setup - shipped to Ireland

snejky   10 W

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by snejky » Mar 02 2020 10:24am

Slim version of 300A
Ant BMS now. It have super nice app on iOS and not that nice on Android, but it works 😀

FilipK   1 mW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by FilipK » Mar 17 2020 10:12am

Got the cells from jimbob, took no time to get to Poland. Definitely recommend!

Working on building the pack now, waiting for the BMS from China...

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amberwolf   100 GW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by amberwolf » Mar 18 2020 2:34am

liamcaff wrote:
Mar 02 2020 10:01am
What kind of BMS and chargers are you guys using with these cells?

72V 20s 1p battery setup
for me, no bms; i just monitor pack voltage and ah/wh used via the cycle analyst, and be sure to charge up before longer trips (or plug in at destination while there). the cells i have are old and were used before i got them, and even now (at least several years after i got them) they're still working about the same, with a little lower capacity, but still staying balanced on their own, since they are good quality and pretty well matched (good qc at the factory to keep all the cells they ship out within a narrow range of specifications), and they seem to stay matched as they age.


i have used the cycle satiator, but at present am using a meanwell hlg-600h-54a to charge my 14s2p pack at a little more than 0.25c (about 12a) to a bit more than 57v.

for a 72v pack, you could use two meanwells in series; not sure if the 54a will turn down low enough (about 83v, or 41.5v each, for your pack) to use two of them in series for it, or if you would need one to be a lower voltage model, or use two identical lower voltage models.

if you use lower voltage models they will be capable of higher current, as the systems are watt-limited by the heat they can shed (fanless, potted and sealed, so good for mounting right on the bike or vehicle. the one on my sb cruiser trike is mounted under the deck, and has been submerged in flash flood waters at least twice with no issues over the years).

but since 0.5c on a 20ah pack is about 10a, you wouldn't want to charge them at a higher current anyway, so the 54a would work for you if two in series can be adjusted down to the 83v or so.

jimbob01   100 W

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Re: 20Ah li-on NMC cells UK London new boxed £10 each on 50

Post by jimbob01 » Mar 18 2020 7:21am

Yes I am following suit with my intended large capacity motor (barge propulsion) battery
I will manually manage the pack and set charging at 4.05v per cell in my 48v set up with a low voltage disconnect of around 3.5v
So the pack is never heavily discharged..
So far I've tested many boxes of these cells and they have all been at pretty much the same voltage out of the box..
Load tests have shown near identical capacity also.
I will be the BMS for now and see how things go...😊🙄🌝
Last edited by jimbob01 on May 03 2020 4:04am, edited 1 time in total.

john61ct   100 GW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by john61ct » Mar 18 2020 9:42am


amberwolf wrote: the 54a would work for you if two in series can be adjusted down to the 83v or so.
Specs sheet
https://www.meanwell.com/Upload/PDF/HLG ... H-SPEC.PDF

jimbob01   100 W

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Re: 20Ah li-on NMC cells UK London new boxed £10 each on 50

Post by jimbob01 » Apr 07 2020 4:10pm

I have plenty stock left at £499 a box of 50 cells to es members
These are A1 quality very well matched cells 🌝
Last edited by jimbob01 on May 03 2020 4:05am, edited 2 times in total.

jimbob01   100 W

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by jimbob01 » Apr 23 2020 1:41pm

Just message me for interest..
These bolt together real easy.. I have copper or aluminium laser cut busbars to suit 1s 2s 3s 5s and 7s
So a great way to make a pack you can add to later or change the voltage or size at any time 😁

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amberwolf   100 GW

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Re: 20Ah li-on NMC cells UK London new boxed £9 each on 50

Post by amberwolf » Apr 23 2020 6:57pm

jimbob01 wrote:
Apr 23 2020 1:41pm

I have copper or aluminium laser cut busbars to suit 1s 2s 3s 5s and 7s
Do you instead mean 1p, 2p, 3p, 5p, and 7p?

If so, how much do each of the sizes cost?

I'm considering building a new pack with some of my spare cells, for the SB Cruiser trike that is 28s1p (vs the 14s2p it's running right now) to better support this project:
viewtopic.php?f=30&t=105711
and some other changes I've been considering a while.

All the brass busbars I have available are for 2p. I could cut them in a way that makes one 2p bar into a 1p bar, but that's a waste. (Without modifying internal layouts of stuff in the underseat area of the trike, I don't have space for a 28s2p pack or I'd just do that. If cost is too high to do 28s1p, that's what I *will* do.)

So if they don't cost too much, I'd be interested in 28 (or 56, if really cheap) copper 1p busbars shipped to Phoenix, AZ, USA.

I'm also very tempted on a box of 50 cells, but I don't think I could quite yet afford them *plus* the shipping...and I still have cells here I'm not yet using.

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