Battery health monitor with mAh, charging speed, always-on display and alarms.
Pros & Cons
Deep, device-level battery metrics you can trust
Always-on display and home screen widgets for quick access
Customizable alarms and alerts to prevent unexpected drains
Live charging measurements to compare chargers and cables
Competitors emphasize charger, meter, fast charging, USB, and discharging terminology that isn’t prominently featured in Battery Guru’s keyword set
The app’s messaging is highly battery-health-focused, which may feel narrower to users seeking broader charging hardware integrations
No top-list rankings are shown for this app in the provided data
About Battery Guru: Battery Health
Battery Guru: Battery Health is a tools app developed by Paget96.
Download Statistics
Battery Guru: Battery Health has been downloaded 3.8 million times. In the last 30 days, the app was downloaded 73 thousand times.
User Ratings
Battery Guru: Battery Health is rated 4.42 out of 5 stars. The rating is based on 33 thousand ratings.
App Information
Battery Guru: Battery Health is FREE to download. The APK download size is 8.78 MB. The latest version available is 2.5.0.5. The last update was on July 8, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on Google Play October 2019.
Description
Android shows you the basics. Battery Guru goes deeper.
Get your actual battery capacity in mAh, track health degradation over time, measure real charging current, monitor temperature and see everything on an always-on display or homescreen widget. Battery Guru builds on top of Android to give you the full picture.
🔋 Battery Health and Capacity Your phone shows a percentage. Battery Guru shows you whether your 4000 mAh battery still holds 4000 mAh or has quietly lost 20% of its capacity over time. - Actual battery capacity in mAh compared to original design capacity - Battery health percentage and capacity loss tracked over time - Battery wear analyzed per charging cycle - Charging cycle count from system data or calculated from your session history - Maximum temperature recorded during each charging session
⚡ Charging Speed and Current Not all chargers deliver what they promise. Battery Guru measures the real current flowing into your battery so you can compare chargers and cables by actual performance. - Live charging current in mA and power in Watts - Voltage readings in mV - Estimated time to full charge with screen on and screen off shown separately - Complete charging history with start time, end time and capacity per session - Compare chargers and cables by their real measured output
📉 Battery Drain and Usage When your battery drains faster than expected, Battery Guru shows you exactly where the charge is going. - Screen on time, screen off time, awake time and deep sleep time - Battery usage by app running in the foreground - Wakelock monitor to identify apps and system processes keeping your device awake in the background - Alerts when abnormal battery drain is detected - Discharge rate and usage pattern history over time
🌡️ Temperature Monitoring Heat is the leading cause of permanent battery damage. Battery Guru tracks temperature continuously and alerts you before harm is done. - Real-time battery temperature with 24-hour history graph - Custom high and low temperature alarm thresholds - Minimum, maximum and average temperature per session
🔔 Alarms and Notifications - Full charge alarm so you unplug at the right time and avoid overcharging - Low battery alarm before you run out - High battery drain warning when something unexpected is consuming power - Temperature alarm for both overheating and cold conditions - Status bar notification with customizable icon showing percentage, temperature or both - Do Not Disturb schedule so alarms respect your sleep hours
📲 Always-On Display See live battery stats on your lock screen without touching your phone. Battery Guru includes a fully featured always-on display built for AMOLED and OLED screens. - Battery level, charging current, temperature and voltage on your lock screen - Clock, notification icons and media playback controls - Fully customizable layout and content - OLED burn-in protection with automatic pixel shifting - Auto-dim after a configurable time to preserve your screen
🖼️ Widgets and Overlays - Homescreen widget showing battery level and temperature at a glance - Widget with clock for combined battery status and time - Draggable floating overlay with live battery stats over any app - Overlay displays current, temperature, voltage and more in a compact view
🔵 Bluetooth Device Battery - View the battery level of your connected Bluetooth devices inside the app
💎 Pro Features - Ad-free experience - Full session history for long-term battery health analysis - Advanced overlays and complete health history - Free premium: watch one short rewarded ad for 24 or 48 hours of premium access, available unlimited times
Battery Guru reads data directly from your device battery system. It measures and displays accurate values only. It does not claim to modify your battery, speed up charging or extend battery life in any way.
📧 Contact & Support support@batterymentor.com
Recent changes: v2.5.0.5 - Updated temperature chart with "No data" information - Fixed app crashes on several device brands - Updated libraries - Updated translations
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Comments on Battery Guru: Battery Health for Android
★★★★★Alvey Guerrero· Jul 23, 2026
This App is so amazing and so useful. It helps me maintain and get information about my phones' battery affectively.
★★★★★Shih aun· Jun 26, 2026
The latest update is good 👍 All the usage database and detail from time to time usage 👍 The reward system for advertisement is solved 👍 But compared to last time only watching 2 advertisement for getting rewards currently have to watching 3 to 4 advertisement if that could be improved it will be good 👍
★★★★★Neil Peiman· Jul 10, 2026
I don't think there's a better battery and power management app in the app store. Seemingly accurate and reliable and presenting a varied cross-section of data. Perfect for monitoring and managing which apps are consuming power.
★★★★★Nexus· Jun 22, 2026
Overall, I would recommend this to anyone who wants to maximize their battery care. Samsung's built-in battery heath doesn't show the actual capacity, and this does a great job showing every tiny battery detail. Ads are shown very little, which I really like. The widgets/notifications are also really cool. Nice app.
★☆☆☆☆F V· Jun 15, 2026
2.4.8.1 was and is the last functional version, every version since 2.4.9 with the new UI change has shown less important information - Battery Info no longer lets you see the percentage by percentage drop, it's just a vague graph where you're forced to guess the percentage instead of telling you it's 90% or 80% or 70% etc. - App usage no longer has the pie chart breakdown just small text, so it's hard to visualize which apps are draining battery
★★☆☆☆Jose Coelho· Jul 20, 2026
Would give it 5 stars if you were able to change the widget color. No matter what color palette is applied in my case the widget is blue and nearly impossible to see. Reboots cache and data clear update it just seems locked. Why would you not get an option to change color. Makes the widget useless I'd like to see the level and not have to squint to maybe see a number. I should clarify this happens is dark mode only. Otherwise, the app is great
★☆☆☆☆Lieven Plasmans· Jul 23, 2026
Subscription model. Would gladly pay a one time fee, but no way I'm paying a subscription. Back to Accurately it is.
★★☆☆☆Ayush Panda· Jun 18, 2026
My screen on and screen of battery discharging rate showing like opposite. Very bad experience till now. Also, UI feels very, very laggy in my tablet. Please correct the discharging rate.
★☆☆☆☆Roberto Francis· Jun 23, 2026
What's with the recurring monthly charge? It's a battery monitoring app dude sell it damn ridiculous.
Google Play Rankings for Battery Guru: Battery Health
This app is not ranked
Technologies used by Battery Guru: Battery Health
23 permissions·19 libraries
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Each subscription will automatically renew 3 days before the expiration date for
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