1 Keep gadgets cosy
Modern tech can do a lot, but batteries hate the cold. Even your smartphone, which might seem like it runs on pixie dust, has a battery that will behave in specific and predictable ways to different environmental stimuli. Wellbelowfreezing? Battery life will be shorter.
Your phone just wants to be cosy. So do your head torch, camera and GPS. So pop your phone in an inner jacket pocket (rather than switching it off and bunging it in
