I have put 50k+ miles on my 09 Highlander Hybrid in the last 2 years. It charges to 76% and provides 27-30mpg depending on conditions. I love it.
My old prius was 16 years old and 370.000km battery was fine
I had a 2008 Highlander hybrid that I sold to a coworker. The battery is still strong but the fan that cools the batteries gave out. He had that fixed and it is still running fine today.
My Prius is 13 years old with 187,000 miles still getting 47mpg. I think the battery paid for itself 100,000 miles ago.
Maybe last year I got a letter from Subaru Canada saying the battery was being recalled and I could get a replacement.
…After I had already replaced it with an Optima Yellow Top.
I just installed mine recently and works great. Just keep in mind it's an AGM battery.
I have a 10+ year old Prius C that had a 100k-mile warranty on the battery. It failed at 108k and cost $4k to replace. It's at 230k miles now, and I expect to have to replace it again (but who knows?)
20 years ago optima was good. Now its 300 dollars for a 50 dollar battery. Used to get them super cheap as a jci employee and they would last made in Colorado but the quality control has been gone for decades.
Yes it's overkill if you don't need it. Standard batteries are perfectly fine for 99% of use cases
It literally is of 0 benefit and in fact they have shown to have a shorter lifetime in these applications.
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