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Blah blah blah what about battery pack replacement costs for hybrids..... :bye


From Road & Track tech tidbits:

http://www.roadandtrack.com/article.asp?section_id=18&article_id=3700

On Hybrid Battery Life
Toyota has been tracking battery life of its hybrid cars, on sale in Japan since 1997 (and over here since 2000). The latest word is that the hybrid battery pack — note, not the ordinary 12-volt battery running “hotel loads” — is good for the design life of the car. Engineers usually figure this at 150,000 miles, with an expected bell curve of low and high extremes.

The reason for this longevity is interesting, and it also augurs poorly for the plug-in hybrid concept. The greatest chemical stress on any battery occurs at its operational extremes, the last 20 percent before full discharge and the top 20 percent of full recharge.

To avoid these extremes and enhance life, Toyota’s hybrid battery pack is designed to operate at 60-percent charge, +/− 10 percent. Under extreme conditions, this is stretched perhaps another 5 percent in either direction. Therefore, the hybrid battery pack spends most of its life at 50- to 70-percent charge, avoiding the detrimental effects of low or high extremes.

By contrast, a plug-in hybrid car gains range and performance by exploiting this plug-in pack to the fullest. As with ordinary rechargeable batteries, it’s likely to trade longevity for this capability.
 

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hm.. how bout the new battery from fuji heavy industry any news that toyota gonna use it? hehehe
 

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though i agree w/ their findings. i have to assume that the population who converted their cars to plug-in hybrid will be early adopters of the new prius/ honda hybrid which uses newer battery tech. so the idea that they possibly wont last 150k miles is beside the point. since the new tech wont suffer from that weakness.

hybrid plug in is the future. i just hope it's a flex-fuel hybrid plug in. the turmoil in the middle east is really driving up the bbl of oil.
 

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blackzc said:
Why do half of your post end in hehe or haha? hehe.
cuz i love to laugh? or make fun those car companies? who knows? but its very healthy lol.. laugh here there guess i am gonna live longer than most ppl =)
 

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lets just get engines to burn hydrogen instead and end this garbage.. call me old fashioned, but i dont want my car to be anything but a internal combustion machine. hydrogen fuel cells are way off, eletricity has no relation to the cars i know and love(just an unfriendly whir), and hybrid is just a lets-hold-off-on-alternative-energy-for-a-while product. BMW is releasing a 7 series that can burn both gasoline and hydrogen switching fuels with the touch of a button. i cant wait for it to be the new technology.
 
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