Download Kaspersky: Battery Life Saver & Booster ((install))

Allows you to exclude essential apps (like messaging or health monitors) from being closed by the booster.

Provides a minute-by-minute estimate of how much time is left before your battery dies based on current usage. download kaspersky battery life saver & booster

The modern Kaspersky for Android includes "Unused App Cleanup" and "Weak Settings Scan" to achieve similar results. Allows you to exclude essential apps (like messaging