During my army days, I was stationed in Alaska. Winters were pretty cold (imagine 57 below), and during trips to the field, shaving with cold water wasn’t an appealing option. The alternative was to bring a battery-powered razor with spare batteries to the field. In the cold mornings, I’d find that my battery-powered razor wouldn’t run at full speed until after “warming up” the batteries with my hands. The lesson learned from this experience is that in cold conditions, battery voltages will drop in cold climates. Continue reading →