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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: midnightcowboy (Nov 02, 2004 8:27 am) I actually did not say that. I cut that over from another website. And I wasn't quoting it for that section, I was quoting it for the reference to the 200K Prius that was sold back to Toyota. I have no idea how many 2000-2003 Priuses have had batteries replaced, but I'm sure the number is greater than Zero. I was in no way insinuating that battery failures and replacements will not occur over time. That would be a ridiculous assumption, and someone with half a lick of common sense would not expect "no failures" in any component in any car. But remember: Prius batteries are expected to and designed to go 150K before replacement. And they come with the 8 yr/80K warranty. So Toyota seems pretty sure they have a solid component there, eh? And as far as battery life, does anyone have ANY REAL EVIDENCE that these batteries are failing before 150K? Sure, there are isolated incidents of batteries being replaced, like ANY OTHER CAR PART, but there is still no VALID REASON to DOUBT that you can get 150K out of the batteries. Why doubt it? Toyota makes great cars, and has BILLIONS of miles driven on their cars. If their engineers say 150K is a good lifespan for the battery pack, WHO ARE WE to doubt their engineering expertise?
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Replying to: larsb (Nov 02, 2004 8:49 am) The brochure for the Prius says 8 yr/100K. jprice
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Replying to: jprice (Nov 02, 2004 2:04 pm) "Look! Here comes that guy with that silly steam-powered automobile. Quick! Pull the old gray mare over before he explodes next to us(like maybe a battery?)." Those first cars were looked upon as so many crazy mechanized monsters that scared everyone except those brave "foolhearty" pioneers. Some thing just never change. I so glad I'm GREEN and also adventursome. Don't you wish everyone was? Culliganman (tasting the hybrid waters)
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That's one of the good things about these forums - sometimes people can come along and in just a few words "summarize" a point of view and point out the folly of another. Great point about how pessimistic, irrational, unfounded "fear of the unknown" is rearing it's head in the battery issue....
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Replying to: larsb (Nov 03, 2004 2:24 pm)
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Replying to: zodiac2004 (Nov 03, 2004 3:12 pm) "One that is made to bear the blame of others." I think maybe you mean Guinea Pig: "A person who is used as a subject for experimentation or research." Yes, we are experimenting with the 150K life of the batteries...... 
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and now that we are off the name calling, let's get back to discussing batteries.
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Replying to: larsb (Nov 03, 2004 3:30 pm) |
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Replying to: zodiac2004 (Nov 01, 2004 6:10 pm) Prius battery has warrenty for 150K miles in California and New York, etc... Engineers do not design just to last up until warrenty period. They test and verify them to last at least 20% longer than warrenty period. Toyota answered the following: "How long does the Prius battery last and what is the replacement cost? The Prius battery (and the battery-power management system) has been designed to maximize battery life. In part this is done by keeping the battery at an optimum charge level - never fully draining it and never fully recharging it. As a result, the Prius battery leads a pretty easy life. We have lab data showing the equivalent of 180,000 miles with no deterioration and expect it to last the life of the vehicle. We also expect battery technology to continue to improve: the second-generation model battery is 15% smaller, 25% lighter, and has 35% more specific power than the first. This is true of price as well. Between the 2003 and 2004 models, service battery costs came down 36% and we expect them to continue to drop so that by the time replacements may be needed it won't be a much of an issue. Since the car went on sale in 2000, Toyota has not replaced a single battery for wear and tear." http://pressroom.toyota.com/photo_library/display_release.html?id- =20040623 Toyota was suriprise with Andrew Grant because he drove over 200,000 miles(more than Toyota tested) on the classic Prius taxi in 2 years and averaged 48 mpg(US). http://www.toyota.ca/NWS/media/ftp/04gazette_winter_e.zip Dennis |
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