GS-Yuasa LEV40 cells

HughF

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Jan 1, 2018
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OK, simple question... would you buy this pack:

https://www.ebay.co.uk/itm/2016-100...472549&hash=item3f8488d6bb:g:N-8AAOSwzhRZkwol

The pack has sat since August out of the car - I'm thinking that for 1300-1500 the price is sensible provided the cells aren't damaged from sitting.

I believe the software in the outlander will run them between 4.1v and 3.8v and it's highly likely that this vehicle was crashed when the battery was depleted.
 

DarkRaven

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Well, it depends. Just so, no, I wouldn't, because I don't know anything about it.

Do you know anything about it? Do you want to use it as it is or do you want to take it apart and use the single cells? Do you know where the cells are from, what kind of cells they are and how many are inside this module? In case you have answers to all these questions and think this is an economically viable decision, then yes, why not. The cells will most likely still be in the same condition as they were back in August.

edit:

I've looked up the specs. It's a 12kWh battery in 80s configuration, so 296V nomimal voltage and about 40Ah nominal capacity. So I guess it is between 80s13p and 80s20p, ~1040 to ~1600 cells with between 2Ah and 3Ah each. Worst case, around ~1.73GBP per used cell. Lightly used, but used nevertheless. Plus the work necessary to get them out of there unless you have use for a 80s battery.
Not worth it if you ask me. I would rather spend 1800GBP on prismatic LiFePo cells if I were to build something new at this size. It won't bring you as far as 12kWh, but it has tons of benefits and would be the better investment if you ask me.

It might be reasonable for your own electric car conversion though, but I guess that is not what you are planning for :)

edit2:

Oops, I was wrong and blind, you even said they are LEV40 cells. I was thinking of 18650s or similar.
This is what it looks like inside: http://pushevs.com/wp-content/uploads/2015/11/mitsubishi-outlander-phev-battery.jpg.webp
So there are no parallel cells, just 80 of these 40Ah cells (hence the name) in series. 45GBP per cell worst price. 8s modules you probably can't use, so you still have to take them apart. A new 40Ah LiFePo4 cell is 60EUR over here. Nah, guess still not worth it. But you could try and see how low they will sell this battery, maybe it turns into a good deal. I think it isn't at 1800GBP though.
 

HughF

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DarkRaven said:
Well, it depends. Just so, no, I wouldn't, because I don't know anything about it.

Do you know anything about it? Do you want to use it as it is or do you want to take it apart and use the single cells? Do you know where the cells are from, what kind of cells they are and how many are inside this module? In case you have answers to all these questions and think this is an economically viable decision, then yes, why not. The cells will most likely still be in the same condition as they were back in August.

I know exactly how the pack is assembled and the type of cells that are inside - my concern comes from the possibility of self discharge to a dangerously low levelfrom the 3.8v since august...

I have no other concerns - the pack will be dismantled and the cells used to build a 14s5p pack with 5 spare cells at the end (80 cells inside this pack).

For me personally, this is an economically viable proposition, my home needs a new battery pack and I want to go to lithium - I have a budget and this pack + batrium bms will be under that budget.


Sorry, I clicked reply before you committed your edit - the outlander pack is built from gs-yuasa lev40 cells, a prismatic 40ah cell, probably LiMnCo chemistry from what I can gather. No 18650's in here.
 

DarkRaven

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Yeah I'm sorry too, no worries. I edited it again, figured it all out before I read your reply, I was just a bit too hastily at first :)
I wouldn't be too worried about the discharge, maybe you can call them and ask for the voltage to be 100% sure? In the worst case you have to carefully recharge them to bring them back up, I doubt that they will be down to 0V. Since there are only 80 cells it isn't that much work so that would be no problem.
 

HughF

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DarkRaven said:
Yeah I'm sorry too, no worries. I edited it again, figured it all out before I read your reply, I was just a bit too hastily at first :)
I wouldn't be too worried about the discharge, maybe you can call them and ask for the voltage to be 100% sure? In the worst case you have to carefully recharge them to bring them back up, I doubt that they will be down to 0V. Since there are only 80 cells it isn't that much work so that would be no problem.

I've emailed them and asked if they can do a voltage test on the pack - we'll see what they say.
 

CarelHassink

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HughF said:
I've emailed them and asked if they can do a voltage test on the pack - we'll see what they say.


image_nathac.jpg


Hello Hugh,
See my introduction when joining this forum.
I have build a solar storage with these YUASA LEV40-8 prismatic cells.
Easy to re-configure into a parallel battery, m8 terminals.
My set-up uses a 15S 8P line-up, with 4 strings to get to 72Kwh.

But I have seen 15S 5P 11.25Kwh nomV 56.25 with others. to get the max out of a single 12 Kw pack. of 80 cells
I used a RC charger when using different donor cars to get the voltages together more or less before balancing

Anyhow I think a good battery.
Taking these apart is about 30 minutes work. The first one took me 2 hours.

The pack is dis-armed, when the safety connector is taken out, this oval thing on the top, and the 12V system battery is disconnected ( both battery contactors ar in off-mode), you will not be able to measure any voltage of the pack.

Only way to check cell voltagesis to take the cover of, and measure the individual LEV40-8 blocks, as in picture above.
should be higher 22V and below 32.8V, most I did see were around 30V, and always all ten blocks on par.

More info needed just pm me

best Carel Hassink
 

HughF

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Carel, that is interesting, thanks. I've looked back at your introduction thread, you have built a nice system. I've checked my outback voltage settings, 15s is no problem for us if we run 4.1v/cell as the top limit.

Did you find any packs that had suffered degradation from sitting, removed from the vehicle for some time?
 

CarelHassink

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Oct 21, 2017
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HughF said:
Carel, that is interesting, thanks. I've looked back at your introduction thread, you have built a nice system. I've checked my outback voltage settings, 15s is no problem for us if we run 4.1v/cell as the top limit.

Did you find any packs that had suffered degradation from sitting, removed from the vehicle for some time?

Hugh,

The outlander phev was introduced in Netherlands by end of 2012, early cars on the road are from 2013.
I think it even started later in the UK.
At first breakers didn't really know what to do with the packs, but that changed. Many want them.
So finding one pack that's been in stock really long is a rare find.

from date crash to insurance auction, to breaker, date of dismantling can take about 6 months in general, I have seen no problems with those cells whatsoever.
what you really ask for is pictures of the donor car, I'd be cautious if there was a fire, or the interior shows signs of water damage.
Moisture in the pack is fatal.
I always check the donor car on site, and like todismantle the pack in their yard, easier cleaner, I can leave the non essential parts + rubbish behind.
Any issues found could be discussed.

Hills actually came down with their pricing, it was about 2800gbp per pack about 6-8 months ago

YUASA LEV40-8 is an oem for Mitsubishi, I could get the specsheet from Yuasa Japan, but needed to sign a non-disclosure contract, silly,
so chased up this specsheet of the bigger sister the LEV50,
chemistry etc are the same, but for amps, weight dimensions, see attachment

More info needed ask me.
I need to respect the rules of this forum, but you could sent me an e-mail

best Carel



image_zvcwfx.jpg

image_mjychb.jpg
 

HughF

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Jan 1, 2018
Messages
212
So I have failed to reach a sensible deal with Hills, they are sticking to 1750...

I will investigate going for 16 calb 200ah cells that are available, they seem a sensible price.
 
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