Originally Posted by prm
Stick a hand warmer by the battery. PIA, but it helps those batteries that suck in the cold.



I do this same thing - in an exterior, accessible pocket. Cold weather really puts the wood to the Leica and Sig I've owned.
I can get it nearer my body beneath layers (for warmth) but that's a real PIA to use in a hurry when bundled up.

[Linked Image from i.imgur.com]

WWP53D