A. 1. Limit background app refresh: Go to Settings > General > Background App Refresh and turn it off for CollX to save battery. 2. Reduce screen brightness: Lower your screen brightness or enable auto-brightness in Settings > Display & Brightness. 3. Close unused apps: Regularly close apps running in the background to conserve battery life.

B. 4. Enable Low Power Mode: Go to Settings > Battery and enable Low Power Mode to extend battery life while using the app.