Practical ways to protect phone, power-bank and action-camera batteries in cold weather while skiing, snowmobiling or travelling in winter.
Cold weather can make a phone battery drain quickly, show an unexpectedly low charge or switch the phone off. The most useful response is simple: keep the device and spare batteries in a dry inner pocket, limit unnecessary screen time and let a cold device warm gradually indoors before charging.
That routine matters on long ski and snowmobile days, when a phone faces low temperatures, moving air and frequent use for photos, maps and messages. The same approach applies to power banks and action-camera batteries.
Quick answer: how to protect a phone battery in cold weather
Carry your phone in a zipped inner pocket, close to your body rather than in an outer pocket or backpack.
Keep a power bank and spare camera batteries in a separate inner pocket.
Set up offline maps and essential information before heading out, then use the screen only when needed.
Use low-power settings first. Airplane mode is useful only when you do not need calls, messages, tracking or emergency communication.
If a device switches off, place it in a dry, insulated pocket and allow it to warm gradually. Charge it only once it has returned to the manufacturer’s charging range for that model.
Apple notes that iPhones are designed for use between 0°C and 35°C, and that very cold conditions can shorten battery life, cause a shutdown and pause charging until the phone warms. Apple’s iPhone temperature guidance is useful reading before a winter trip.
Why cold weather affects phone batteries
Phones, cameras and power banks commonly use lithium-ion batteries. In cold conditions, a battery has less available power and may struggle to meet a device’s demand during video recording, a bright-screen map check or a search for mobile signal. You may see the displayed percentage fall quickly, or the device may switch off unexpectedly.
The effect is often temporary. Once the device has warmed, it may turn on again and show more charge than it did outside. Battery age, signal strength, screen brightness, workload and the insulation around the device all influence how quickly this happens.
Samsung also advises that Galaxy devices perform best between 0°C and 35°C, and notes that cold exposure can contribute to limited charging and unexpected shutdowns. Its Galaxy battery-care guidance provides device-specific detail.
Where to carry your phone and spare batteries
An inner jacket pocket is usually the best place for a phone. It protects the device from direct exposure and benefits from the warmth held by your clothing. A zipped chest pocket is especially practical: it is easy to reach without opening a backpack or leaving the phone out in the cold for long.
Phone: use a dry inner pocket, ideally in your jacket or mid-layer.
Spare camera batteries: carry them in a small pouch in another inner pocket so they stay warm and do not rub against keys or loose objects.
Power bank: keep it warm too. A cold power bank faces the same battery limitations as a phone.
Outer pockets and packs: reserve these for items that are less sensitive to cold. Moving air increases heat loss from an exposed device, although it does not lower the device below the ambient air temperature.
A slim fabric sleeve adds protection from snow, moisture and contact with a cold zip. It should not make the phone difficult to reach if you need it for your group’s communication plan.
Reduce the load before you go out
Battery-saving habits work best when you prepare indoors. Download maps, tickets and key contact details while you have a reliable connection. Turn down screen brightness when conditions allow, close demanding apps and keep video recording purposeful rather than continuous.
Low-power mode is a sensible default for a full day outside. Airplane mode can save further power, but use it only when your plan does not require communication or tracking. In remote terrain, agree meeting points and follow the plan set by your guide or group; a phone should support that plan, not replace it.
What to do if the phone shuts down
Put the phone in a dry inner pocket and give it time to warm gradually. Once indoors, let the device return towards room temperature before trying to charge it. Avoid radiators, direct heater vents and heat packs pressed against the phone: concentrated heat and moisture are poor companions for electronics.
Do not assume a shutdown means the battery is permanently damaged. A cold-related shutdown often resolves after gradual warming. If the device displays a temperature or moisture warning, follow the manufacturer’s instructions rather than repeatedly trying to restart or charge it.
Charging rule: do not charge a cold phone, camera battery or power bank until it has warmed into the charging range for that model. Apple notes that iPhone charging can pause in very cold conditions, while Samsung advises using Galaxy devices within their specified temperature range.
Charging, moisture and condensation
Winter devices often move between cold air and warm indoor spaces. Before connecting a cable, make sure the charging port and case are dry. If snow has collected around a device, brush it away gently and allow the device to warm and dry naturally indoors.
Keep cables together in a small pouch and charge your phone, power bank, action-camera batteries and any navigation device overnight. That leaves the morning for a simple routine rather than last-minute battery management.
When | Winter power routine |
|---|---|
The night before | Charge devices and power bank indoors; download maps and essential documents. |
Before heading out | Place the phone and spare batteries in dry inner pockets; enable low-power settings. |
During the day | Use the phone briefly, keep spare batteries warm and return devices to an inner pocket after use. |
Back at the lodge | Allow devices to warm and dry before charging them indoors. |
Keeping a GoPro or action camera running
Action cameras cool quickly because they are usually mounted in the open. Keep spare batteries close to your body and exchange them before the camera battery is fully depleted. Record the moments you want to keep, then stop between runs or stops. Disabling wireless features you are not using also reduces demand on the battery.
Cold-weather performance is model-specific. For the HERO10 Black, GoPro tested its Enduro battery at -10°C while recording at 1080p30. That does not translate into a universal rating for every GoPro, setting or battery, so use the manufacturer’s Enduro information and the manual for your exact camera before relying on it in winter.
Phone and avalanche-beacon interference
If you carry an avalanche transceiver, the beacon manual and your guide’s briefing come first. Electronic devices, including phones, can interfere with a transceiver. Avalanche safety guidance recommends keeping electronics about 20 cm away from a beacon in transmit/send mode and about 50 cm, or an arm’s length, away during a search; the instructions for your beacon take priority. See the Colorado Avalanche Information Center’s transceiver-interference guidance and Avalanche.org’s explanation of electronic interference.
In practical terms, carry the phone on the opposite side of your body from the beacon and never in the same pocket. A phone is not a substitute for avalanche equipment, training, a qualified guide or an agreed emergency plan.
Winter electronics planning at Altai Mountains Resort
Altai Mountains Resort is in Ridder, in the Western Altai of East Kazakhstan. Your winter stay can include guided deep-snow snowmobiling, Snow Safari, cat-skiing/freeriding, heli-skiing and heli-sledding. For a snowmobile day, begin with a fully charged phone, a warm power bank, offline information and a secure place to carry both inside your layers. Our guided snowmobiling page introduces the activity, while the deep-snow experiences page offers context for other winter adventures.
When you return indoors, allow devices to warm and dry before charging them. As at 30 July 2026, Superior TWIN rooms began at 59,000 KZT per room per night in summer and 99,000 KZT in winter; Superior DBL rooms began at 69,000 KZT in summer and 109,000 KZT in winter. Rates and seasonal availability vary, and our Ridder Lodge accommodation page will help you plan your stay.
For a wider personal packing routine, ski packing list can help you organise clothing and smaller essentials alongside chargers, cables and camera batteries. For activity dates, transfers, rentals and guide services, visit our booking page; our team can help shape the details around your plans.
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