18 Jul '12, 4pm

Electric-Car Battery Costs To Decline To $200/kWh In 2020, McKinsey Says: It's not for no

Electric-Car Battery Costs To Decline To $200/kWh In 2020, McKinsey Says: It's not for no

Since the Tesla has been using off-the-shelf batteries and we know their exact number, estimating their cost shouldn't require a private eye or commercial espionage. For that car, the various battery size options are priced and one can see at least what the owner is paying per kilowatthour. There is also the factor that the faster a battery can be recharged, the fewer one can get by with. A battery pack of 250 miles range is good enough if one can recharge in 10 minutes but not if it takes hours. And a battery's lifespan costs is not determined by dollar-per-kilowatt initial costs. A battery lasting twice as long essentially is twice as cheap. A $200 per kWhr battery lasting 6-8 years is not cheap enough, at least not for my (mostly)DIY EV

Full article: http://www.greencarreports.com/news/1077804_electric-car-...

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