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 Post subject: Thoughts on upgrading battery cells from LEV40 to LEV50?
PostPosted: Mon Oct 07, 2019 2:20 pm 
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Joined: Thu Dec 10, 2015 6:42 am
Posts: 6
Just been thinking about the possibility of swapping out the original battery cells for the larger capacity LEV50 cells from the i-miev as they are physically exactly the same format to my knowledge.

Anyone any thoughts on this? Are they a compatible chemistry?

Never mind, scrap that idea! Voltage and size format are both slightly different so it's a none starter.


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 Post subject: Re: Thoughts on upgrading battery cells from LEV40 to LEV50?
PostPosted: Tue Oct 08, 2019 2:49 am 
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Joined: Thu Aug 16, 2018 11:55 pm
Posts: 2
Nope...not identical !

LEV40: 3.65V nominal voltage; 40Ah; 170x25x100; 1.65kg; 0% SoC 2.65V - 100% 4.1V; M8 terminal 9-13 NM.

LEV50: 3.75V nominal voltage; 50Ah; 171x44x115; 1.65kg; 0% SoC 2.75V - 100% 4.2V; M8 terminal 9-13 NM.


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 Post subject: Re: Thoughts on upgrading battery cells from LEV40 to LEV50?
PostPosted: Tue Oct 08, 2019 4:02 am 
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Joined: Mon Sep 26, 2016 11:18 pm
Posts: 1140
Location: Poland
Favguy wrote:
Just been thinking about the possibility of swapping out the original battery cells for the larger capacity LEV50 cells from the i-miev as they are physically exactly the same format to my knowledge.

Anyone any thoughts on this? Are they a compatible chemistry?

Never mind, scrap that idea! Voltage and size format are both slightly different so it's a none starter.


You could replace the 12Kwh pack with the new 13.2kwh pack used from 2019 models ... sometime this can be find used from crashed car for less then 2000 euros

Else ... you can buy lot of 18650 cells ... and build your own battery


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 Post subject: Re: Thoughts on upgrading battery cells from LEV40 to LEV50?
PostPosted: Tue Oct 08, 2019 5:39 am 
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Joined: Thu Dec 10, 2015 6:42 am
Posts: 6
The 2019 replacement idea is too little increase for what I'd expect to be a very high cost for the battery when they do start to come up. The salvage dealers in the UK seem to expect a very high price for salvage batteries!

Might be a good option for a high mileage car with a depleted capacity battery though I suppose. :)


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 Post subject: Re: Thoughts on upgrading battery cells from LEV40 to LEV50?
PostPosted: Wed Oct 09, 2019 2:10 am 
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Joined: Thu Aug 16, 2018 11:55 pm
Posts: 2
elm70 wrote:
Favguy wrote:
Just been thinking about the possibility of swapping out the original battery cells for the larger capacity LEV50 cells from the i-miev as they are physically exactly the same format to my knowledge.

Anyone any thoughts on this? Are they a compatible chemistry?

Never mind, scrap that idea! Voltage and size format are both slightly different so it's a none starter.


You could replace the 12Kwh pack with the new 13.2kwh pack used from 2019 models ... sometime this can be find used from crashed car for less then 2000 euros

Else ... you can buy lot of 18650 cells ... and build your own battery



elm70, interesting... do you have some info ? (links, forums or youtube) have you tested ? tnx


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