Panasonic tesla cell battery?

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Funkonabike   10 µW

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Panasonic tesla cell battery?

Post by Funkonabike » Sep 22 2020 2:53am

is this legit? About to pull the trigger, the stats look great.
https://hallomotor.com/products/ebike-4 ... 2983370904

Bigwheel   100 W

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Re: Panasonic tesla cell battery?

Post by Bigwheel » Sep 22 2020 7:09am

While it is doubtful that the 21700 cells are made in the Tesla Giga factory where Panasonic makes them in house they could be the same type cells made in China. It's kind of vogue to splash the Tesla name around in the e market place...However that is a hell of a price for a 19.2ah battery with 21700 cells. My 17ah one I bought last year was $400. If I needed another battery I'd go for it.

john61ct   100 GW

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Re: Panasonic tesla cell battery?

Post by john61ct » Sep 22 2020 8:37am

The actual Tesla batteries are not available to the market.

Best case "similar to"

https://lygte-info.dk/review/batteries2 ... %20UK.html

If they are genuine, maybe a good deal, but not where high **power** density is required.

If anyone does order from this new seller, would be great if they could post a testing / teardown review.

Personally I would only order from Chinese suppliers that have been well recommended by trusted members over a period of time.

999zip999   100 GW

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Re: Panasonic tesla cell battery?

Post by 999zip999 » Sep 22 2020 10:15am

How much on shipping ? They're trying to say Tesla like cells that's a 18650 cell and that's the only like there is to Tesla. Same format only. Smoke and mirrors. A complete BMS ?

Bigwheel   100 W

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Re: Panasonic tesla cell battery?

Post by Bigwheel » Sep 22 2020 11:13am

999zip999 wrote:
Sep 22 2020 10:15am
How much on shipping ? They're trying to say Tesla like cells that's a 18650 cell and that's the only like there is to Tesla. Same format only. Smoke and mirrors. A complete BMS ?
Plainly states in the specs it is a 21700 cell. Tesla has switched to 21700 cells btw.
Screen Shot 2020-09-22 at 9.10.37 AM.png
Screen Shot 2020-09-22 at 9.10.37 AM.png (16.99 KiB) Viewed 449 times

sp1n4d0   10 mW

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Re: Panasonic tesla cell battery?

Post by sp1n4d0 » Sep 22 2020 11:43am

Looks like INR21700-48G is a Samsung cell
https://lygte-info.dk/review/batteries2 ... %20UK.html
It's a good priced pack if cells are legit, but I would not trust someone who calls Panasonic-Tesla a Samsung cell.

999zip999   100 GW

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Re: Panasonic tesla cell battery?

Post by 999zip999 » Sep 23 2020 12:53pm

It's hard to know what going on.

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Papa   1 kW

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Re: Panasonic tesla cell battery?

Post by Papa » Sep 24 2020 12:30am

I purchased a few 21700 cells from ebay seller tonycu41 https://tinyurl.com/y3yqexaz Not received them yet.

Stated they are new from an unused 'pack', one year old. It's doubtful they came from a genuine Model 3 pack because the model 3 cells i've seen have a bare metal shell & recessed positive terminal (no button). Model 3 pack cells are also epoxied together and difficult to separate. At $3 each, I figured these might be usable.

Question: I realize that most like cells have a vent, but to what extent are they moisture resistance? Rain exposure?
~ Recycle... Ride your bike again ~

Tommm   100 kW

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Re: Panasonic tesla cell battery?

Post by Tommm » Sep 24 2020 1:48am

Papa wrote:
Sep 24 2020 12:30am
I purchased a few 21700 cells from ebay seller tonycu41 https://tinyurl.com/y3yqexaz Not received them yet.

Stated they are new from an unused 'pack', one year old. It's doubtful they came from a genuine Model 3 pack because the model 3 cells i've seen have a bare metal shell & recessed positive terminal (no button). Model 3 pack cells are also epoxied together and difficult to separate. At $3 each, I figured these might be usable.

Question: I realize that most like cells have a vent, but to what extent are they moisture resistance? Rain exposure?
The listing itself has no mention of tesla at all, what do you think?

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Papa   1 kW

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Re: Panasonic tesla cell battery?

Post by Papa » Sep 24 2020 2:00am

Tommm wrote:
Sep 24 2020 1:48am
The listing itself has no mention of tesla at all, what do you think?
This one does (same seller): https://tinyurl.com/yyfftcma
He also states they originally came from a "pack"
~ Recycle... Ride your bike again ~

Tommm   100 kW

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Re: Panasonic tesla cell battery?

Post by Tommm » Sep 24 2020 2:40am

Papa wrote:
Sep 24 2020 2:00am
Tommm wrote:
Sep 24 2020 1:48am
The listing itself has no mention of tesla at all, what do you think?
This one does (same seller): https://tinyurl.com/yyfftcma
He also states they originally came from a "pack"
He is a straight up liar... Also from cali... Might be Eric from luna. :lol:

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MadRhino   100 GW

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Re: Panasonic tesla cell battery?

Post by MadRhino » Sep 24 2020 9:04am

Battery world is crowded with liars and crooks. I have seen some new 2170 cells at 1$ a piece in 1000 pk from China. Is there someone naïve enough to believe they are genuine?
Make it fool-proof, and I will make a better fool.
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Trek Session 10 mod. Variable geometry. 70mph
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Santa Cruz V10. 50mph

john61ct   100 GW

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Re: Panasonic tesla cell battery?

Post by john61ct » Sep 24 2020 6:07pm

I think it is safe to say for unbundled and new cells the "Tesla" descriptor is a red flag, avoid.

Buying secondhand packs from a scrapped wreck different story

PeterpDahl   10 mW

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Re: Panasonic tesla cell battery?

Post by PeterpDahl » Sep 27 2020 3:25am

IF you manage to find genuine Tesla cel’s, be advised that there is no fuse in the battery..

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Papa   1 kW

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Re: Panasonic tesla cell battery?

Post by Papa » Sep 28 2020 10:32pm

FWIW, I received the 21700 cells I bought from tonycu41. I didn't have much of time today to fool with them, but I did a manage to perform a brief sampling with one cell.

As received 3.62V, I charged it to 4.10V @ 750mA then waited 30 min before loading it. After one hour loading at 1.25A, it measured 3.88V @ 79f ambient (cell temp never increased above ambient, as expected). Not much to go on, I realize, but it's all I've got right now. When time permits, more lengthy and controlled sampling (at 5A>), is, of course, planned.
~ Recycle... Ride your bike again ~

AustinDEX   1 µW

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Re: Panasonic tesla cell battery?

Post by AustinDEX » Oct 01 2020 11:55am

Funkonabike wrote:
Sep 22 2020 2:53am
is this legit? About to pull the trigger, the stats look great.
https://hallomotor.com/products/ebike-4 ... 2983370904
Hey Funk, have you received? Any updates?

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