In today’s world, the main source of energy is the electricity grid, which supplies power to our homes, businesses, and other facilities. However, electricity isn’t always reliable, and blackouts and brownouts are common. This is why it’s important to prepare for them. If you want to be ready when the power grid goes down, install this app.

It will allow you to manage your phone’s energy usage by changing settings like brightness, screen timeout, bluetooth connection, and more. But you can change these settings by percent of battery life. 

The app can show you useful information in real-time. You can also use it to check the status of your phone’s battery.