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Hybrid Vehicles The Great Hybrid Battery Debate
669 messages, Last post on Apr 06, 2009 at 2:32 PM
You are in the Hybrid Vehicles Forum. Your Host is pf_flyer
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Replying to: gagrice (Nov 22, 2004 10:55 am) That ZERO may have since changed, but it's not happening in massive numbers you can be sure, or it would be all over these forums.
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Replying to: larsb (Nov 22, 2004 1:47 pm) You are right that we have not seen people complaining about battery failures. If they are like lead acid batteries they go bad about a month after the warranty date. :=) |
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YOU DON'T NEED TO REPLACE THE BATTERY. Sorry to shout, but it seems to be the only way to get people's attention. The battery in a hybrid only uses ~30% of the capacity, so as to avoid causing internal damage, and therefore extend battery life = engine life. You won't have a problem replacing the battery, because you won't need to. Troy |
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Replying to: electrictroy (Nov 23, 2004 7:42 am) |
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Replying to: electrictroy (Nov 23, 2004 7:42 am) You won't have a problem replacing the battery, because you won't need to." Hmmm, have any studies to support that statement? Specifically, ones that use the batteries in the same manner as the Hybrids? Just because they aren't drained like camera batteries doesn't mean they won't fail eventually, which is what you are saying.
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Replying to: stevedebi (Nov 24, 2004 12:30 pm) |
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In the lab - Toyota tested Prius to 200,000 miles with no degradation of the battery. In the field - Insights/Priuses exist with over 200,000 miles (see ebay for some examples). Expert opinion - I'm an electrical engineer. I've read all the research I could find, and it shows that a battery will last indefinitely, as long as it's held within 30-70% of capacity. This cycle avoids the under-and-overcharging that kills batteries & extends life indefinitely. . Now I admit that if you abuse your car (example: drag racing) it will kill the battery. But such abuse will also kill the engine. And the transmission. And the suspension. I don't think anyone here would abuse their car in that fashion. For us, the battery/engine/et cetera will last well past 200,000 miles. In fact, I expect the battery will last longer than the engine will.
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Replying to: electrictroy (Nov 24, 2004 2:21 pm) "In the lab - Toyota tested Prius to 200,000 miles with no degradation of the battery." I'd like to see some independent studies, rather than from the manufacturor. "In the field - Insights/Priuses exist with over 200,000 miles (see ebay for some examples)." We do not know the state of the batteries in the Ebay Priuses. Hopefully, your independent analysis will prove true for the Hybrid implementation. |
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Replying to: electrictroy (Nov 24, 2004 2:21 pm) I have tracked Prius and Jetta TDIs on My Ebay for the last 6 months. The only Prius I have seen offered with 100k plus miles is a 2002 that they have a $4250 high bid on. Of the 60 or so used Prius I have tracked only one sold. The rest were "reserve not met" That one was a 2002 that they sold for $11,994. Only a fool would buy one for blue book with a 100k miles and no warranty. There have been a few that were "salvage title" sales in the $6k to $10k range. I have only read about one cab in Vancouver BC that had over 100k miles. Toyota bought it back. I would like to see some proof of the battery longevity of 200k miles. As long as you dump your Prius while it still has warranty I think you are safe. |
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In the field - Insights/Priuses exist with over 200,000 miles (see ebay for some examples). I think you meant to say check out the 3 Jetta TDIs with over 200k miles. A 1999 with 238k miles is up to $4511. A 1992 Jetta TDI with 259K miles at $1585. I doubt you ever see a hybrid with 259k miles still running good. If the batteries don't crap out all the other wizardry will die and not be worth the price to fix it. At this point the battery debate is hypothetical becasue NO ONE has driven a hybrid over 200K miles. At least not that has gotten into our hybrid forum. I could be wrong and will admit it when the evidence is exposed. |
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