Re: frozen battery

[Eric Sheley <Eric@xxxxxxxxxx>]

At 09:21 AM 2/7/01 -0800, Matt Knowles wrote:
>So for those of us who live in areas where this isn't even a remote
>possibility, how cold does it have to get for the battery to freeze? Does
>the electrolyte raise or lower the freezing temp? Do people who live in
>really cold climates have battery heaters like they have engine block
>heaters?

It has to be pretty cold ...

A fully charged battery should not freeze until somewhere between -70F and 
- -100F (depending on the battery)

A lesser charged battery however will freeze at a lower temp (around -20F 
for a battery with a 75% charge)

They do make battery warmers just like block warmers, but you'd need to be 
in a place pretty f%$%ing cold to need one...

- -Eric


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