Battery Guru: Monitor Battery Health, Charge Speed & Usage


Battery Guru gives you all the tools to understand your battery’s health, charging speed, and usage on Android. With real-time tracking of battery stats, charging cycles, and app-specific power consumption, Battery Guru provides everything you need for smarter battery management.


Key Features:

- Battery Capacity & Health Stats: Measure your battery’s capacity (in mAh) and track how much wear it sustains with each charge.

- Electric Current Graph with Voltage & Power Display: View a graph of electric current (in mA) over time, with battery voltage (in mV) and power (in W) displayed on the same page for a complete view of your battery’s performance.

- Battery Level History: Track battery level changes over time to understand charging and discharging patterns.

- Charging & Discharging Speed: Monitor charging speed, discharge rates for each app, and max charging temperature with clear, easy-to-read graphs.

- Battery Health History: Track changes in your battery’s estimated health over time to understand how usage habits may impact battery longevity.

- Charging Cycle Trends: View a 7-day graph of your battery’s charging cycles to monitor wear and spot trends.

- App Usage Monitoring: Analyze battery consumption for each app to see which ones drain the most power.

- Charge & Usage Time Estimates: Know how long it will take to reach a full charge and the estimated remaining time for both screen on and off, during charging and discharging.

- Deep Sleep Tracking: Monitor the percentage of time your device spends in deep sleep mode when in standby.

- Real-Time Battery Notifications: Stay informed with live battery stats at a glance in the notification panel.


Find Your Fastest Charger

Battery Guru measures charging power, speed, fast charging capability, and max temperature, helping you find the fastest and safest charger and USB cable for your device. Check charging speed with the screen on or off.


Custom Alerts & Complete History

- Access a full history of your battery’s performance and charging sessions since installing the app.

- Set custom alerts for battery level, high temperature, high battery drain, full charge, and reminders to fully charge if it hasn’t been done recently.


Learn More About Your Battery

Battery Guru doesn’t just track data—it helps you understand it. With in-app descriptions and tips, Battery Guru teaches you about battery science, best practices for charging, and ways to extend battery life, so you’re always learning something new.


Pro Features for Advanced Monitoring:

- Custom Overlays: Track live battery data as an overlay, allowing you to monitor usage while using other apps.

- Extended Health Insights: Access detailed health history and session insights to better understand long-term battery performance.

- Ad-Free Experience: Enjoy uninterrupted battery insights with no ads.


Battery Guru is trusted by users worldwide for accurate, easy-to-understand battery monitoring. Gain a clear view of your battery’s condition with Battery Guru’s straightforward, data-driven insights.

Need Help?
Reach out to us at support@batterymentor.com