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re: I was thinking of buying an EV then I’m hearing the batteries die pretty quick

Posted on 6/12/26 at 12:21 pm to
Posted by joshnorris14
Florida
Member since Jan 2009
47244 posts
Posted on 6/12/26 at 12:21 pm to
quote:

30 degrees.

Damn. You moved too far north.


I'm in Florida, thankfully.
Posted by billjamin
Houston
Member since Jun 2019
18517 posts
Posted on 6/12/26 at 12:40 pm to
quote:

I know someone that bought a Tesla 3 years ago and now he tells me the batteries are dying

Define dying? I assume you mean degradation. There's no way he's cycled the BESS enough to see any significant capacity loss. Powerwalls cycle 1-2 times a day and last 10+ years.
Posted by dafif
Member since Jan 2019
8501 posts
Posted on 6/12/26 at 12:55 pm to
quote:

at what % range reduction allowable? if by 10 years they say the bat is not bad, but range is 1/3 of what it was, how do you go forward? by then bet finding a replacement battery will be like the board in the 4 year old washer, unavailable


Im not sure how "range works in a hybrid - perhaps it loses potency but is continually recharging while driving

I did not see any limiting language like in battery or tire purchases but I'll look again it assume it also would have to be "defective " for replacement
Posted by billjamin
Houston
Member since Jun 2019
18517 posts
Posted on 6/12/26 at 1:03 pm to
quote:

at what % range reduction allowable?

You don't want them to get below 70%. Thats when risk of total failure starts to really increase. I typically use 75% replacement for all my modeling for home ESS.
quote:

but range is 1/3 of what it was,

33% would be far beyond normal degradation and considered a unit failure. It would have multiple dead cells.
quote:

by then bet finding a replacement battery will be like the board in the 4 year old washer, unavailable

Doubtful, this will be a big market along with salvage value of degraded BESS units that can be repurposed into grid interconnected storage.
Posted by Lucky_Stryke
central Bama
Member since Sep 2018
3236 posts
Posted on 6/12/26 at 1:05 pm to
quote:


I bought a hybrid

this is truly the way instead of all electric
Posted by Shepherd88
Member since Dec 2013
4943 posts
Posted on 6/12/26 at 1:06 pm to
I have a rivian R1s. 0 degradation after 20 months of owning it.

Also, how much is a new engine or new transmission when those die out?
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