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We used Gen 2 24kWh Leaf cells in our build. Lopified.blogspot.com.
Two modules need to be replaced.
We took a good cell and discharged to 3.0V and charged to 4.2V it took on 54Ah.
A. When the Nissan rating of 60Ah was calculated, what were their top and bottom voltages? Did they go down to 2.8v?
B. At 8.5 years old this seems pretty good even at only 54Ah, how do we find appropriately matched replacement cells?
 

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A. When the Nissan rating of 60Ah was calculated, what were their top and bottom voltages? Did they go down to 2.8v?
No one knows. It is considered "proprietary information" by Nissan. If you're lucky a blogger or DIYer might have posted their own test results.



B. At 8.5 years old this seems pretty good even at only 54Ah, how do we find appropriately matched replacement cells?
You're not supposed to "find" matched cells. You're "supposed" to buy a finished pack.

If you insist on DIYing you will be forced to buy a stack of surplus cells and exercise, then match them yourself. Will Prowse has made many YT videos showing how he tests various lithium batteries for capacity, he ended up buying special testing equipment--most of it comes from obscure Chinese companies apparently.
 

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here is the video
I only offer Nissan Leaf battery upgrades. I use pre-owned battery packs from newer Leaf models and install them in old Leafs. Nissan has different battery sizes: 24 kWh, 30 kWh, 40 kWh, and 62 kWh. They are interchangeable. That is not a plug-and-play process, but upgrade is possible. Other budget EVs don鈥檛 have this ability for now. That鈥檚 why I focus on Nissan Leaf upgrades.鈥
kindly contact me here
 
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