BlackBerry Power Center

BlackBerry Power Center helps you optimize your device and apps so that they run efficiently. Take steps to reduce your battery usage by managing individual apps. Power Center also provides suggestions to optimize your device settings. 
Major Features:
• Optimize power consumption with recommendations to configure your system for the best battery life
• Identifies apps that would benefit from battery optimization
• Choose application preset settings or advanced manual configuration to control how you save power for each app
• Receive notifications if your battery might fall below a certain level before you typically charge your device
• Manage memory usage by preventing apps from are running in the background, and receive alerts for high memory usage
Enjoy Power Center for free on your BlackBerry device!
For support, visit docs.blackberry.com/en/apps-for-android/power-center/