cold weather causes the battery to self-discharge at a higher than normal rate, not degrade or become damaged. but i would be happy to upgrade my pack, all of w

cold weather causes the battery to self-discharge at a higher than normal rate, not degrade or become damaged. but i would be happy to upgrade my pack, all of which are designed to be swapped out easily and even quickly enough for re-charge by swap in some models, when the next quantum leap in electrolyte chemistry comes along.