Non OEM Leaf battery upgrade?
- brunohill
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Re: Non OEM Leaf battery upgrade?
192 E63 LG Batteries (the ones Francisco is using) can be made to fit in a leaf battery box. I guess that makes the battery pack twice the original capacity.
Possibly premade packs. 10 packs x 18 batteries and 2 packs of 6 x batteries
Possibly premade packs. 10 packs x 18 batteries and 2 packs of 6 x batteries
Last edited by brunohill on Tue, 29 Jan 2019, 21:26, edited 1 time in total.
- jonescg
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Re: Non OEM Leaf battery upgrade?
Yeah for sure - the energy density of those cells is very impressive.
I'm just trying to find the quickest approach and I think prismatics would be it. I reckon you could also use 18650 cells and a Tesla-style cooling loop, but it's all just weeks and weeks of work. My aim is to swap them out in a day if possible.
I'm just trying to find the quickest approach and I think prismatics would be it. I reckon you could also use 18650 cells and a Tesla-style cooling loop, but it's all just weeks and weeks of work. My aim is to swap them out in a day if possible.
AEVA National President, WA branch director.
- brunohill
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Re: Non OEM Leaf battery upgrade?
Looks like this confirms the problem and provides the answer http://evsenhanced.com/products/hv-batt ... ring-tool/jonescg wrote: ↑Fri, 11 Jan 2019, 13:06 https://www.youtube.com/watch?v=d-ka4-mG_0I
In this video the guy explains how retaining the vehicle's original BMS was the easiest way to keep the vehicle's onboard computer happy.
So I might try and re-pack a Leaf battery with a new BMS and wiring, but have it so you can swap the BMS at the last minute.
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Re: Non OEM Leaf battery upgrade?
I am not sure how his extender battery boxes would go in the sunny summers here but his experiments and CANbus knowledge would sure be a useful resource.
https://www.youtube.com/watch?v=MC1NBwZICrQ
https://www.youtube.com/watch?v=MC1NBwZICrQ
- jonescg
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Re: Non OEM Leaf battery upgrade?
Now this looks very promising!
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Re: Non OEM Leaf battery upgrade?
Blimey, that's amazing. 44kwh.
I wonder what cells they're using
I wonder what cells they're using
Matt
2023 BYD Atto 3 - 21k km
2017 Renault zoe - 147'000km
2012 Leaf - 101'000km - soon to be trialing a booster battery
2007 Vectrix - 197'000km (retired)
2007 Vectrix - 50k km
2023 BYD Atto 3 - 21k km
2017 Renault zoe - 147'000km
2012 Leaf - 101'000km - soon to be trialing a booster battery
2007 Vectrix - 197'000km (retired)
2007 Vectrix - 50k km
- brendon_m
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Re: Non OEM Leaf battery upgrade?
Going by what he said they are LG chem pouch cells that are "numpt" kwh
But the box says 170wh
But the box says 170wh
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Re: Non OEM Leaf battery upgrade?
They are probably the LG 63Ah.
They are the only cells that I know of that have the terminals on opposite sides. I have been looking for other pouch cells with terminals on opposite sides and I haven't been able to find any.
They are the only cells that I know of that have the terminals on opposite sides. I have been looking for other pouch cells with terminals on opposite sides and I haven't been able to find any.
- brendon_m
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Re: Non OEM Leaf battery upgrade?
170wh at 3.6v (my guess is they are ncm cells because they use the original bms) is 47ah.
So 44kwh at 315v is 140ah that makes it 88s3p
So 44kwh at 315v is 140ah that makes it 88s3p
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Re: Non OEM Leaf battery upgrade?
At 3:33 on the video you can see the cells with a size reference and the text. I can't see the part numbers but they look exactly the same as the LG63 cells I have and if they are LG they will be the 63Ah because the 63Ah are the only cells LG makes that have the terminals on opposite sides.
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Re: Non OEM Leaf battery upgrade?
I see 179 Wh on the side of the box, but yes I suspect they are the LG63 cells. A Leaf needs multiples of 96 of them.
AEVA National President, WA branch director.
- brendon_m
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Re: Non OEM Leaf battery upgrade?
So 96s2p of 3.6v 63ah cells gives 44kwh
- brunohill
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Re: Non OEM Leaf battery upgrade?
bruno hill
bruno hill
12 hours ago
@Oid Polar Are they LG E63 batteries?
Oid Polar
Oid Polar
7 hours ago
@bruno hill out of the availability list from here: http://queenbattery.com.cn/our-products ... -cell.html yes, they are e63 - there are no alternatives made by LG Chem.
bruno hill
12 hours ago
@Oid Polar Are they LG E63 batteries?
Oid Polar
Oid Polar
7 hours ago
@bruno hill out of the availability list from here: http://queenbattery.com.cn/our-products ... -cell.html yes, they are e63 - there are no alternatives made by LG Chem.
Re: Non OEM Leaf battery upgrade?
I would also say definitely LG E63 Batteries.
Re: Non OEM Leaf battery upgrade?
Testing Package has arrived. About 8Kwh of usable Energy.
Regards,
Regards,
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Re: Non OEM Leaf battery upgrade?
LG E63 are the same ones used in the Renault Zoe which has the same 96sp2 configuration and the same kWHrs (45, 41 usable, 40 claimed= Z.E.40)
Regds,
Dave
Regds,
Dave
Renault Zoe ZE40, 2017
Tesla Model 3LR, 2021
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Tesla Model 3LR, 2021
11kWHr LiFePO4 AVASS battery with 5kW inverter
5kWHr LiFePO4 battery running all computers. comms, CCTV
4.7kW AC Enphase solar system
1kW DC solar system
16 evac tube HWS with 280L
AEVA and TOCA member
Re: Non OEM Leaf battery upgrade?
Hi Guys, I hope the upgrade is all going well. Have just purchased 24kw version leaf and intend to do an upgrade, be it a direct replacement with a larger genuine pack with a man in the middle CAN BUS adaptor ( thats if I can source a battery ) or failing that I will try to build my own pack. Was wondering how progress is going with the LG cells ?
- brunohill
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Re: Non OEM Leaf battery upgrade?
Jesus will save your Nissan Leaf.
Another cell swap...
https://forococheselectricos.com/2020/0 ... de-lg.html
https://forococheselectricos.com/2020/0 ... uidos.html
Another cell swap...
https://forococheselectricos.com/2020/0 ... de-lg.html
https://forococheselectricos.com/2020/0 ... uidos.html
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Re: Non OEM Leaf battery upgrade?
so he cut the cans open to replace the pouch cells
That looks like a lot more effort than I would have thought necessary
That looks like a lot more effort than I would have thought necessary
Matt
2023 BYD Atto 3 - 21k km
2017 Renault zoe - 147'000km
2012 Leaf - 101'000km - soon to be trialing a booster battery
2007 Vectrix - 197'000km (retired)
2007 Vectrix - 50k km
2023 BYD Atto 3 - 21k km
2017 Renault zoe - 147'000km
2012 Leaf - 101'000km - soon to be trialing a booster battery
2007 Vectrix - 197'000km (retired)
2007 Vectrix - 50k km
- brunohill
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Re: Non OEM Leaf battery upgrade?
It may be easier than replacing the bus bars and BMS wiring. Less chance of making a wiring error also.
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- brunohill
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Re: Non OEM Leaf battery upgrade?
There should even be 6 mm of room in the middle of the new nodule for a cooling plate. To fix the display you could use this... https://www.tindie.com/products/muxsan/ ... rt-rev-25/ once you work out how to program it.
- brunohill
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Re: Non OEM Leaf battery upgrade?
... But if the BMS has not been reprogrammed to suit there cold be some issues.brunohill wrote: ↑Sat, 22 Feb 2020, 09:35 Jesus will save your Nissan Leaf.
Another cell swap...
https://forococheselectricos.com/2020/0 ... de-lg.html
https://forococheselectricos.com/2020/0 ... uidos.html
https://www.youtube.com/watch?v=QefdMYBTXZ8
- brunohill
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Re: Non OEM Leaf battery upgrade?
An 18650 41 kWh replacement battery.
https://www.youtube.com/watch?v=gBWRZQv ... e=youtu.be
https://www.youtube.com/watch?v=gBWRZQv ... e=youtu.be
- brunohill
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Re: Non OEM Leaf battery upgrade?
Jesus, he has done it.
64 kWh LG chem battery upgrade for old LEAF
But I think he may have a few issues to resolve.
64 kWh LG chem battery upgrade for old LEAF
But I think he may have a few issues to resolve.
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Re: Non OEM Leaf battery upgrade?
The only problem is no cooling.