Battery - Alerts and Infos positions itself as a minimalist yet powerful battery monitoring solution for Android devices, distinguishing itself through its complete lack of advertisements and strict data privacy approach. The application operates entirely offline, storing all information locally on the device without requiring internet permissions—a notable feature in an era of increasing data collection concerns. The application delivers comprehensive battery analytics through multiple functional layers. Core capabilities include real-time battery status monitoring with voltage, temperature, and health percentage displays. Users can configure customizable alerts for specific charge levels (both high and low thresholds), charging completion notifications, and temperature warnings. The charging history feature provides visual statistics showing charging patterns over time, while the permanent notification option offers at-a-glance battery information without opening the app. User experience reflects thoughtful design choices with a clean, information-dense interface organized into logical sections. The main dashboard presents immediate battery status, while separate tabs provide access to detailed statistics, alert configuration, and historical data. The persistent notification proves particularly useful for users who regularly monitor battery levels during intensive usage scenarios like navigation or gaming. Performance remains smooth even on older devices, consistent with the developer's claim of minimal resource usage. With no user reviews available for analysis, the application's 4.18/5 rating suggests generally positive reception, though specific user experiences cannot be detailed. The absence of reviews prevents examination of common praise or criticism patterns that typically emerge from extended real-world usage. The application excels in its privacy-focused approach and lightweight implementation, though some advanced users might desire more granular data export options or deeper battery health diagnostics. It serves as an ideal solution for Android users seeking straightforward battery monitoring without advertisements, data sharing, or unnecessary complexity, particularly valuable for those concerned with extending battery lifespan through informed charging practices.