The Most Comprehensive
Battery Analytics
Battery Analytics
Battery Mentor provides valuable insights into battery behavior using anonymized data collected through Battery Guru. Discover how different devices perform during charging and discharging, and gain a deeper understanding of your battery's condition and usage patterns.
Real Usage. Real Insights.
Battery Mentor delivers advanced analytics based on data from over a million Battery Guru users, helping you understand how different devices use power, how long they typically last on a charge, how fast they recharge, and more.
Data-driven estimates
Detailed analytics
Avg. capacity retained across reports
0 → 80% in about 38 minutes
≈ 7h 20m of active screen time
Only ~0.8%/hr idle drain
87% - Healthy
Battery Health
31°C Overheating!
Battery Temperature
67% Charged in 19 Minutes
Charging history
Essential Battery Insights
Battery Guru helps you stay informed about battery temperature, offers customizable alerts for low charge, and lets you track your charging history and battery health over time.
Battery health check
Charging speed insights
Our Users Say
Nice Things About Us
Narendra Athnikar
Just does what it is meant to do. After the recent update, the charge limit alarm set does not ring. Instead only a vibration is felt. So if I am not close to the phone the battery will continue charging to 100 % . May be I have done the app settings wrong or is it the update?
Watson Anaem
The overnight summary is fairly useless without information about what caused the wakes. Ok, so it woke up 12 times. That alone is not actionable.
Rishabh Narayan
Excellent app for whatever you need to know about your device's battery, charger, charging speed and all. Useful features available for battery protection like level alarm, temp alarm etc. Have been using it since 2.5 years in every phone I own. Definitely recommended whether you are a basic or advanced user.
Kimchhay Sreng
This app is excellent! It provides detailed battery health information and tracks battery usage very well, making it highly reliable. It comes with many useful and important features that work great, and it's very easy to use. I highly recommend it to anyone looking to monitor and manage their battery effectively.
stevan k
Tried many of these proved to be the best. An application that makes it worth unlocking the bootloader and routing your phone. Battery life has increased significantly.
A Google user
I wish the notification for charging threshold can use custom ingtone or custom a tone. I always missed to charge 80%. Overall this a great app. Good job!
Rizky Darmawan
I update this review, after long development this app already has all the core features plus some additional features all for free. After accubattery development seems to be stop, this app finally can replace that.
Gregor Diseth
Hello, will the app be updated in the future to accurately report capacity for split cell phones such as my OnePlus 7T? I have entered half the design capacity as a work around, but this really isn't a proper solution. Otherwise your app is well written and highly useful. Thank you!
Sium Ahmad
Clearly this is the best app. Legit stats and even support for dual battery too. The BS features and all of the features are useful and updates keep coming with more optimisations. Loved it and satisfied with this. Highly Recommended! And thanks Dev, keep up the good work ❤️