I've had a Samsung Galaxy A54 for about a year and a half, and lately the battery lasts me like 6-7 hours max with normal use. I don't have any weird apps installed, I've already tried disabling location and lowering the brightness but nothing. Is there something I'm missing?
After a year and a half, the battery itself has probably degraded, because lithium-ion batteries lose capacity over time - it's not an app or setting you can fix. Try checking Settings > Battery > Battery Health to see the actual status, and if it's below 80% then yeah, the battery's worn out. If that's confirmed, the only real solution is to get it replaced (Samsung usually does it at a reasonable price), otherwise you could carry around an external battery in the meantime, but it's not exactly convenient.
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