What is the most efficient car battery for an electric car conversion? | |
I am considering converting my car to electric for commuting. Can someone tell what battery is the most effective for this purpose, how much they cost, and if a hybrid battery for the Prius is available to the public?
Answers:
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You can get help converting your car from places like this:
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http://www.austinev.org/evalbum/build
http://electroauto.com/workshop.shtml
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Or, you can have an expert convert your car for you:
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http://grassrootsev.com/
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As to using hybrid batteries, sorry, they won't sell them to you. The NIMH batteries used in hybrids are wonderful for EVs, but the patents for those advanced batteries were bought by Chevron/Texaco, and now the licensing of those patents prohibits their use in pure electric cars. Absolutely true story. Read about it here:
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http://www.evworld.com/blogs/index.cfm?page=blogentry&authorid=51&blogid=104
http://jcwinnie.biz/wordpress/?p=1387
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Most conversions still use old 100-year-old lead-acid battery technology, which is relatively inexpensive (the battery pack in my EV costs under $1000) but your driving range will only be about 50 miles. Various vested interests have been able to put up roadblocks (like the NIMH story above) to more advanced batteries.
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However, if you're a bit of an engineer, you may be able to get some new Chinese Li-Ion batteries. A few hobbyists I know of have been able to obtain and use these, but you'll have to design your own charging system (or get help from an engineer.) Link:
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http://www.everspring.net/product-battery.htm
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Look at the chart on this page - the batteries beat every other technology there, and cost the least per watt.
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Good luck!
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