Battery saver

[Millionaire]

Is there an app to have better battery performance or some setting trick?

[Mujibar]

https://www.samsung.com/nz/support/mobile-devices/11-tips-to-extend-and-improve-your-samsung-galaxy-...

[meself]

Theres few options in in battery settings

[CEParsons]

Good Guardians: https://apps.samsung.com/appquery/appDetail.as?appId=com.android.samsung.utilityapp

Battery Tracker and Battery Guardian are part of Good Guardians.

[nullandvoid]

First, what kind of performance are you expecting from your battery? A day, a week, a month uptime? A month is never going to happen, but you may be able to stretch to 4 days, depending on how you use your phone. I wouldn't count on it, though.