Symptoms
- Battery percentage drops rapidly outdoors in cold weather
- Phone shuts down outside even with charge remaining, then works again indoors
- Battery seems to recover some percentage once warmed up
- Drain is worse when the phone is used outdoors for photos or navigation
Likely causes
- CommonCold temperature reducing the battery's chemical reaction rateLithium-ion batteries produce less usable current in the cold, causing faster apparent drain and possible shutdowns.
- CommonPhone carried in an exposed pocket or bag in freezing temperaturesDirect cold exposure for extended periods worsens the effect.
- PossibleUsing GPS, camera, or cellular heavily outdoors in the coldPower-hungry features combined with cold amplify the drain.
- PossibleAn already degraded battery being more sensitive to coldA battery with reduced health shows a more severe cold-weather effect than a healthy one.
What to do
- Keep the phone in an inside jacket pocket close to body heat rather than an outer pocket in cold weather.
- Avoid leaving the phone exposed to freezing temperatures for extended periods, like on a car dashboard.
- If the phone shuts down from cold, bring it somewhere warm and let it sit for several minutes before turning it back on.
- Use a case, which provides some insulation against rapid temperature changes.
- Minimize heavy outdoor use, like long GPS navigation or video recording, in very cold conditions.
- Avoid charging the phone while it's still cold from being outside; let it warm to room temperature first.
- Check battery health afterward if shutdowns happen at unusually high percentages even when warm, since a degraded battery is more prone to cold-related shutdowns.
- Understand this is expected battery behavior, not damage, unless it also happens at room temperature.
When to call a pro
This is a normal battery characteristic and doesn't need repair; if shutdowns also happen indoors at room temperature, have the battery checked.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.