battery performance failure is perceived by user

when the battery drains faster than usual or when it fails to hold its charge for a long time. Users may also experience sudden shutdowns or the device may not turn on at all. In some cases, the battery may also bulge or leak, which can be a safety hazard. These issues can be caused by a variety of factors, such as age, overuse, overheating, or software issues. To improve battery performance, users can try optimizing their device settings, reducing screen brightness, closing unused apps, and replacing the battery if necessary