Re: Fenix switches/realiability
Yes, Yukon_Jack from Alaska is aware that lithium batteries are better in cold weather
Depending on the construction of the switch, particulary if it has a rubber type component, extremely cold weather can make them malfunction or just plain not work. You would be amazed at what gizmos you have that won't perform at 20 - 60 below.
Yes, flashlight are normally close enough to one's body that they work just fine, or put under an armpit to warm up - but if left in the car, or inside a pack while camping, they can sure get cold. From my perspective, everything I consider survival stuff gets tested in extreme cold.