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Old 01-04-2011, 08:53 PM   #1 (permalink)
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Default Interesting new article about the Karma batteries

This article just appeared an hour ago:

http://green.autoblog.com/2011/01/04/mit-electric-vehicle-tests-rapid-charging-battery/

Short end of it is that a study at MIT showed that after 1500 rapid charge-discharge cycles the batteries from A123 Systems only lost 10% of the original capacity which is pretty good.

-Brian
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Old 01-05-2011, 03:49 PM   #2 (permalink)
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Default RE: Interesting new article about the Karma batteries

Nice to know, because I'll be fully charging that battery 2 times a day (2 x 70 kms), 4 times a week, 48 weeks a year, so 1536 times in 4 years time. After 5 years I will probably need a new battery, which by then should be lighter, provide more range and be cheaper (if the gurus are right).

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Old 01-05-2011, 04:00 PM   #3 (permalink)
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Default RE: Interesting new article about the Karma batteries

I'll be curious to see how the A123 batteries perform in cold and hot climates. Li-Ion batteries typically drain very quickly in cold weather, but luckily it doesn't get horribly cold here in Austin for much of the year. But it does get hot as **** for 3+ months out of the year, so I'm a little concerned about overheating.

-Brian
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Old 01-05-2011, 06:23 PM   #4 (permalink)
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Default RE: Interesting new article about the Karma batteries

On a sunny day, when the car is sitting on a parking lot, the solar roof panel should provide extra cooling power for the interior and the battery. Hopefully enough.

---

On a completely different note: today I received my Karma :-) It was in the mail, about 2 inches long and made by Mattel. More people must have received this holiday gift from Fisker (it took a while to reach me in The Netherlands). A very nice gesture, much appreciated!

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Old 01-06-2011, 02:08 AM   #5 (permalink)
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Default RE: Interesting new article about the Karma batteries

Hey guys, is there any information out on how long a full charge will take? Does the power outlet plug into any typical outlet?
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Old 01-07-2011, 06:18 PM   #6 (permalink)
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Default RE: Interesting new article about the Karma batteries

Quote:
Originally Posted by Dutch
On a completely different note: today I received my Karma :-) It was in the mail, about 2 inches long and made by Mattel. More people must have received this holiday gift from Fisker (it took a while to reach me in The Netherlands). A very nice gesture, much appreciated!
Post some photos of it if you can!
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Old 01-10-2011, 03:00 PM   #7 (permalink)
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Default RE: Interesting new article about the Karma batteries

Here are a few pictures (it took a while, I had taken the model to my office). The Karma is a bit rudimentary, details like the wheels don't match and the paint of the head lights has come off. But I still think it's pretty cool! Didn't more people on the waiting list get this present?





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Old 01-11-2011, 11:49 AM   #8 (permalink)
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Default RE: Interesting new article about the Karma batteries

nice!
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Old 01-12-2011, 06:33 AM   #9 (permalink)
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Default RE: Interesting new article about the Karma batteries

I've received the same model from Mattel.
But no further informations about my real Karma...
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Old 01-19-2011, 10:23 AM   #10 (permalink)
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Default RE: Interesting new article about the Karma batteries

Another photo, from the Fisker facebook page.

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