Flagged. The "DU" suite of apps (owned by Baidu) was removed from the Google Play Store in 2019 due to large-scale ad fraud and malicious behavior, such as clicking ads in the background without user consent.
You should avoid downloading "free" APK versions of this app, as they are frequently used to distribute trojans and spyware. Safety Report: DU Battery Saver Pro (3.9.9.9.8.2)
The app has been known to collect excessive user data and transmit it to external servers without clear disclosure. Better (Safe) Alternatives
APK files from third-party "free download" sites are often injected with malicious code that can steal your personal data, passwords, and banking information.
Found in your phone's Settings > Battery , this uses AI to limit power for apps you don't use often.