Archived posting to the Leica Users Group, 2010/01/22

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Subject: [Leica] LiLon battery cold performance
From: spencer at aotera.org (Spencer Cheng)
Date: Fri, 22 Jan 2010 21:44:13 -0500
References: <6a7544a61001221644w29f668a9nd749690fc7929322@mail.gmail.com>

Hi Larry,

LiIon battery also will fail if it gets too cold but it is better than NiMH. 
You can try putting the battery in a plastic bag before putting it in your 
pocket.

Most consumer electronics are not rated to work in real cold temperature to 
my knowledge.

Regards,
Spencer

On Jan 22, 2010, at 19:44, Lawrence Zeitlin wrote:
> Spencer,
> 
> Lithium ion cells have their own problems in cold weather. I am in the
> middle of a x-c ski vacation in very, very cold weather. I normally carry a
> Canon P&S digital equipped with a lithium ion battery in my parka pocket. 
> It
> works fairly well when the temperature is above 20F but when the 
> temperature
> drops to 0F the display reads replace battery and the camera shuts down. 
> The
> battery was fully charged when I started out. A similar thing happens to my
> Oly E-500 DSLR. I could, of course carry the camera in an inside pocket but
> I sweat a lot when I ski and condensation would be a problem. What I have
> started doing is placing a chemical hand warmer in the pocket with the
> camera. That works well as long as it lasts. I never had this problem with
> the Rollei 35 I used to carry. I just worried about broken film and static.



In reply to: Message from lrzeitlin at gmail.com (Lawrence Zeitlin) ([Leica] LiLon battery cold performance)