Prevent apple tv from updating
Once the battery’s temperature returns to its normal operating range, its performance will return to normal as well.Charging your device when it’s inside certain styles of cases may generate excess heat, which can affect battery capacity.If you’re connected to the Internet, mac OS automatically checks for software updates every week, but you still control when the updates are installed.
Charging the device in high ambient temperatures can damage it further.
Software may limit charging above 80% when the recommended battery temperatures are exceeded.
It’s especially important to avoid exposing your device to ambient temperatures higher than 95° F (35° C), which can permanently damage battery capacity.
That is, your battery won’t power your device as long on a given charge.
Dim the screen or turn on Auto-Brightness to extend battery life.