sub freezing temperatures: how to keep battery warm

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Joined: 10/24/2011
Points: 6

I hope to find a way to keep riding my new Trek FX plus even after temps here in Madison, Wisconsin dip below freezing and stay there for three months. Any suggestions?

I was thinking all I'd need is some kind of extension-connector (e.g., a ten-inch cable that would allow me to carry the Trek batterey pack in a wind-proof pannier stuffed with insulating materials, rather than in the standard open-air rear rack), then I could slow the battery's drop in temperature long enough to make my 45-minute commute.

But I have no idea where to begin looking for the parts, nor for the person with the skill to build this extension-connector.

Any ideas would be greatly appreciated.

Martin L


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