Du battery saver is one of the most downloaded battery saver application in playstore. I downloaded the du battery saver app 6 months ago. There are many battery saver app in playstore but du battery saver is best. It has many features like fast charging, optimizer, etc. It place a toggle bar in notification bar which the temperature of battery, percentage of battery, and till how much hour the battery will work.
After the battery drains below 30 percent it has op optimizer feature which stops the unused apps running in background and extend the battery life. It has auto save feature which close the unused app when the phone is asleep. It lower the temperature of battery. It has extended my battery life. So if you want to download a battery saving app, you can download it
