What Temperature Should My Phone Battery Be. Your phone is a lot like Goldilocks. Whether youre using a phone tablet smart watch or earbuds your Galaxy devices all have a set temperature range where they operate at their best.

I have also found that my battery is draining more than I would like. The phone temperature is usually around 10C 50-60f. Which is obviously annoying.
When the phone is in my outside pocket it is usually around -10C 20f it will just shutdown when I turn the screen on.
These temperature extremes wont necessarily kill your phones battery for good but they can hasten the natural degradation that all batteries suffer over time meaning youll need to. The phone battery drop 30 when I am outdoor and the phone is warm in my winter coat. Rajasekaran2050GingerbreadJan 4 2015. Percentage left battery temp Click to expand.
