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Tesla model Y 4680 battery pack not very serviceable!
SiliconWizard:
Over 90% after 250 000 km... yeah. Really? ::)
tom66:
--- Quote from: bdunham7 on August 13, 2022, 07:48:52 pm ---Actually yes! My 2014 Ford Focus Electric BEV just received a 'remanufactured' battery as a repair for an internal coolant leak. Apparently the coolant leak is pretty much the main problem these batteries have--I had noticed only minor degradation after almost 50K miles. In any case, they are sent back to some supplier where they repair, refurbish and test them. From what I've seen in descriptions and teardowns, the battery units on these are completely serviceable and can be disassembled with normal tools. The downside is that a 23kWh battery weighs ~600 lbs. The newer ones are 33.5kWh at the same weight, so perhaps that isn't too terrible considering the serviceability.
--- End quote ---
Also from the VW camp my car had its battery pack replaced under warranty due to bad sealing, but many others have had just casing refurbished. Growing pains as car manufacturers figure out how to make batteries properly.
--- Quote from: SiliconWizard on August 13, 2022, 09:28:48 pm ---Over 90% after 250 000 km... yeah. Really? ::)
--- End quote ---
Why not? At 80kWh capacity per charge and 5km/kWh 250,000 km is 625 cycles. A good Li-Ion pack will do 1500 cycles easily, a very good Li-Ion pack can do 3000.
jmelson:
--- Quote from: SiliconWizard on August 13, 2022, 07:30:39 pm ---Well, uh... interesting point.
Maybe other manufacturers have more "serviceable" battery packs - although I personally have no proof of that.
But are any of those batteries actually serviced in reality? Has it ever happened? Has it not just because it's too early for any of them to have failed yet? And in this latter case, how do we actually know for sure manufacturers will service them instead of just binning them and having them recycled?
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I just got a rebuilt battery pack for my Hondas Civic hybrid. Way smaller than this Tesla pack, of course, but it is built out of battery submodules, 10 cells/module. The Honda pack is air cooled, so that is a big difference.
Jon
MT:
--- Quote from: SiliconWizard on August 13, 2022, 07:30:39 pm ---Well, uh... interesting point.
Maybe other manufacturers have more "serviceable" battery packs - although I personally have no proof of that. But are any of those batteries actually serviced in reality? Has it ever happened? Has it not just because it's too early for any of them to have failed yet? And in this latter case, how do we actually know for sure manufacturers will service them instead of just binning them and having them recycled?
Yeah, just a thought. I have some doubts.
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Rich Rebuilds Tesla wanted $16,000 to fix this NEW Model 3, we did it for $700! The importance of Right to REPAIR
From 4:57 and forward, 5000usd bat module change and coolant nipple fix etc.
tautech:
Finnish remedy:
https://edition.cnn.com/videos/us/2021/12/30/tesla-exploded-dynamite-repair-costs-22k-moos-pkg-vpx.cnn
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