Swapped my paper maps for a 3 ounce GPS unit on the Colorado Trail

Used to stop every hour to fold and recheck a paper map in the wind, now I download the route ahead of time and just glance at my wrist, but has anyone else found that the batteries drain twice as fast in below freezing temps?

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joelharris29d ago

Cold saps any battery, 3 ounces or not, is that really news?

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