Tesla Batteries - LotusTalk - The Lotus Cars Community
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post #1 of 4 (permalink) Old 10-12-2009, 06:40 AM Thread Starter
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Tesla Batteries

I tried to do a search and see if this was already covered here but didn't find anything. Sorry if this is old ground.

Does anyone know what the battery longevity is on the Tesla? I have been told by a custom electric car designer that the Li batteries need to be replaced every 3 years. A pack for the Tesla would be about $20,000.

Does anyone know the facts?
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post #2 of 4 (permalink) Old 10-12-2009, 07:22 AM
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The useful life of the Lithium -ion battery is dependent on many conditions before they reach the threshold of around 80% capacity where they may need to be replaced. These conditions are for example, the number of recharge cycles(cycle life), time (calendar life), temperature & humidity. I have seen as 5 years as being a typical lifespan, but of course this is highly variable.
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post #3 of 4 (permalink) Old 10-12-2009, 07:32 AM
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Expected lifetime is about 100,000 miles or five years, after which 70-80% of charging capacity will remain.


2010 Tesla Roadster
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post #4 of 4 (permalink) Old 10-12-2009, 08:55 AM
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As I understand in certain states like NY and CA the batteries are considered emissions control devices (at least for hybrid cars) which means that they must be covered by the manufacturer for at least 15 years/150,000 miles as a PZEV.

from 2010 Ford Escape Hybrid CA Emissions Warranty | The Official Site of the 2010 Ford Escape Hybrid | FordVehicles.com
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