Is the temperature sensor for a battery in the battery or the phone?

[Bailey_Dasis]

I find myself with a malfunctioning temperature sensor on my battery (reporting the temperature -35 or so °c lower than real temp). I need to know if this is a sensor inside the battery itself, and therefore easily fixable by replacing the battery, or if it's a sensor soldered on somewhere and therefore in need of service by someone more skilled than me. I would prefer to fix this myself but I admit I don't have the equipment nor skill to replace something integrated onto an soc.

(In case it's important all other temperature sensors are fine)

[da na]

Almost always, the temperature sensor is integrated onto what it senses. True for processors, video cards, laptop batteries, and in this case, phone batteries. There's a good deal of circuitry inside the phone battery itself, hence why it has like 8 connectors that plug into the phone rather than just two wires for positive and negative.

[BiotechBen]

1 hour ago, Bailey_Dasis said:

I find myself with a malfunctioning temperature sensor on my battery (reporting the temperature -35 or so °c lower than real temp). I need to know if this is a sensor inside the battery itself, and therefore easily fixable by replacing the battery, or if it's a sensor soldered on somewhere and therefore in need of service by someone more skilled than me. I would prefer to fix this myself but I admit I don't have the equipment nor skill to replace something integrated onto an soc.

(In case it's important all other temperature sensors are fine)

I had a similar issue with a phone after it was left in the car overnight when it was extremely cold, it eventually fixed itself after a few hours of being in a warm environment.