Rapid discharge in extreme cold?

[DevilInPgh]

When I performed a reboot on my phone here (current temperature is -5 F), I noticed that the charge started dropping precipitously from 40% to 10% in a matter of minutes, and seeing this, immediately turned off my phone. When I got inside, the phone was quite cold, so I thought maybe it was due to the Arctic-like conditions. Has this happened to anyone else?

EDIT: Now that I'm back inside and put the phone on my charger, it reports the battery as back to 43%. Very weird.

 

[B. Diddy]

I wouldn't be surprised if it was the cold messing up either the battery charge or the reporting. This article sheds some light on it, although it doesn't directly answer the question of whether very low temperatures actually contribute to battery drain: http://batteryuniversity.com/learn/article/charging_at_high_and_low_temperatures