Anyone knows why my Gear S3 watch battery dies so quickly?

[userwALVzDGkkA]

The battery lasted for the whole day usually and now it last for a couple of hours 

[VerbumVeritum]

It sounds like the 8 year old battery needs to be replaced.

[terminator9]

new battery time, not expensive fix..see screen shots

[notforhire]

perhaps it's because your watch has reached its end of life.....just spitballing, mind you 🤷🏻