When you select Battery Optimizer, you can download dfndr battery to get detailed information about the health of your device’s battery and use special functions to help optimize your battery’s life and performance. To use this feature:
1- Tap on “Tools” in dfndr security.
2- Select “Battery Optimizer” and then “Download Free” to download dfndr battery onto your device.
3- Touch “Install“.
4- Once installed, tapping on Optimize Battery will open dfndr battery and allow you to optimize your battery.