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Cold weather battery capacity loss for lithium?

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12-13-2010, 05:46 PM	#1 (permalink)
Daox Administrator Join Date: Dec 2007 Location: Germantown, WI Posts: 11,203 CM400E - '81 Honda CM400E 90 day: 51.49 mpg (US) Daox's Grey Prius - '04 Toyota Prius Team Toyota 90 day: 49.53 mpg (US) Daox's Insight - '00 Honda Insight 90 day: 64.33 mpg (US) Swarthy - '14 Mitsubishi Mirage DE Mitsubishi 90 day: 56.69 mpg (US) Daox's Volt - '13 Chevrolet Volt Thanks: 2,501 Thanked 2,587 Times in 1,554 Posts	Cold weather battery capacity loss for lithium? I think its pretty well known that lead batteries loose about half their capacity when they are cold (around freezing). Does anyone know what kind of capacity loss lithium batteries have when cold? __________________ Current project: A better alternator delete

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12-16-2010, 12:59 PM	#2 (permalink)
Daox Administrator Join Date: Dec 2007 Location: Germantown, WI Posts: 11,203 CM400E - '81 Honda CM400E 90 day: 51.49 mpg (US) Daox's Grey Prius - '04 Toyota Prius Team Toyota 90 day: 49.53 mpg (US) Daox's Insight - '00 Honda Insight 90 day: 64.33 mpg (US) Swarthy - '14 Mitsubishi Mirage DE Mitsubishi 90 day: 56.69 mpg (US) Daox's Volt - '13 Chevrolet Volt Thanks: 2,501 Thanked 2,587 Times in 1,554 Posts	Well, I found my answer on another forum. I'm back posting here so the info is around for those who search. Looks like you only loose ~8% capacity at -25C/-13F. Thats a lot better than I had thought! Attached Thumbnails __________________ Current project: A better alternator delete

12-16-2010, 01:25 PM	#3 (permalink)
Daox Administrator Join Date: Dec 2007 Location: Germantown, WI Posts: 11,203 CM400E - '81 Honda CM400E 90 day: 51.49 mpg (US) Daox's Grey Prius - '04 Toyota Prius Team Toyota 90 day: 49.53 mpg (US) Daox's Insight - '00 Honda Insight 90 day: 64.33 mpg (US) Swarthy - '14 Mitsubishi Mirage DE Mitsubishi 90 day: 56.69 mpg (US) Daox's Volt - '13 Chevrolet Volt Thanks: 2,501 Thanked 2,587 Times in 1,554 Posts	Anyone know of a similar chart for a lead battery. It would be nice to compare. __________________ Current project: A better alternator delete

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12-16-2010, 04:38 PM

#4 (permalink)

Piwoslaw

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Join Date: Oct 2008

Location: Warsaw, Poland

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Svietlana II - '13 Peugeot 308SW e-HDI 6sp
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Quote:

Originally Posted by Daox

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Does anyone know what kind of capacity loss lithium batteries have when cold?

It's so cold...

Quote:

Originally Posted by Ryland

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Cold enough that the lithium batteries in the outdoor sensor on the thermometer stopped working.

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