Most modern electronics are designed for “normal use” – they should be kept dry and between ~32F and 95F. That is why they fail when they fall into the water or when moisture condenses on them or they shut down when they get too cold or too hot.
- The battery will not hold a charge if it sees too many hot or cold cycles. In our testing, the battery life would be cut in half when it saw too many cycles. (We ruined many phones in our testing). An Apple iPhone battery replacement costs money and is inconvenient, it's better to prevent damage in the first place.
- The phone will stop working or not turn on - and it seems to happen especially when you need it most.
- Under cold temperatures, the display which is composed of layers of glass with a digitizer and an LED light source can break, crack or delaminate.
- When a cold phone is brought inside a warm environment, moisture can condense on the inside of the phone and short circuit the electronics or fog the camera lens.
It depends on several factors, but for maximum run time a fully charged battery is a good start. Test data shows up to 8 hours of phone survival at -1 degree Fahrenheit with heat packs. Overall we have seen phone life extended by up to 5x-10x longer at temperature extremes because of Therma-Phone - a solid improvement.
The soft cases are like a space suit for your technical gear. They are engineered to withstand extreme temperature conditions and are packed with layers of multi-functional materials that create a soft thermos-like protection for whatever is inside. It helps isolate the contents inside from the environment outside. The soft case also protects the phone from scratches and when dropped.
An overheated or frozen spare battery will not likely work properly either. Besides, the problem is not just that the battery in the phone is too hot or too cold but it certainly has a big impact. The entire electronics are outside the proper temperature and many phones will not turn on until the temperature comes back within range.
No, the protection works in the heat and sun of summer just like the cold of winter. The 'classic' outer fabric is designed to reflect the sun and can be used as a signal mirror as well.
There is a barrier layer inside the pouch that will delay water from passing to the phone inside but the pouches are not waterproof. However, when used properly they do inhibit condensation from forming on the inside and outside of your phone which is absolutely critical.
Therma-Phone™ Cases are handcrafted right in Vermont where they were born from U.S. and other sourced materials. We try to use as much made in the USA content as possible, currently around 70%, and we are working to find USA sources for some of our special materials. Some of our products feature Vermont's Johnson Woolen Mills outer jacket raising our USA content further, and we made a breakthrough sourcing other critical materials in the USA now. Additionally, we source our printed material from certified sustainable forests. One day we hope to be 100% made in the USA.
Therma-Phone™ Cases are universally sized. The large version will fit all smartphones and note-sized devices such as the 12 Pro Max, 11 Pro Max, XS Max, 8 Plus, 7 Plus. The medium version is slimmer for non-note sized and smaller phones such as iPhone 12, 11 Pro, X, SE (1st and 2nd gen), 8, 7 and 6s
Therma-Phone Cases can be used to protect all types of electronic devices such spare battery phone chargers, glucose monitors, MP3 players and GPS units. There are some bulky or large cases for smartphones or note-sized phones that might need a larger pouch.
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