Contains adsIn-app purchases
424K reviews
Content rating
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About this app

🏆 Designed to keep your battery in the best shape you can – AndroidHeadlines
Accu​Battery protects battery health, displays battery usage information, and measures battery capacity (mAh) based on science.
Batteries have a limited lifespan. Every time you charge your device, it wears out the battery, lowering its total capacity. Scientific research shows that battery lifespan can be extended up to 200%, when you charge your device to only 80%.
- Use our charge alarm to prolong your battery lifespan.
- Discover how much battery wear was endured during your charge session.
Accu​Battery measures the actual battery usage using information from the battery charge controller. Battery usage per app is determined by combining these measurements with information on which app is in the foreground. Android calculates battery usage using pre-baked profiles that device manufacturers provide, like how much power the CPU uses. In practice however, these numbers tend to be highly inaccurate.
- Monitor how much battery your device is using
- Know how long you can use your device when it’s active or in standby mode
- Find out how much power each app uses.
- Check how often your device gets woken up from deep sleep.
Use Accu​Battery to find the fastest charger and USB cable for your device. Measure the charging current (in mA) to find out!
- Check how fast your device is charging when the screen is on or off.
- Know how long it takes to charge your phone and when it’s finished.
- Measure real battery capacity (in mAh).
- Use the charge alarm to prolong battery lifespan.
- See how much wear your battery sustains with each charge session.
- Look up the discharge speed and battery consumption per app.
- Remaining charge time - know how long it takes before your battery is charged.
- Remaining use time - know when you will run out of battery.
- Screen on or screen off estimations.
- Check the percentage of deep sleep, when the device is in standby mode.
- Ongoing notification for real time battery statistics at a glance.
- Use Dark and AMOLED black themes to save energy.
- Access to historical sessions older than 1 day.
- Detailed battery statistics in notification.
- No ads
We're a small, independent app developer with a focus on quality and passion for battery statistics. AccuBattery doesn’t require access to privacy-sensitive information and doesn't make false claims. If you like the way we work, support us by upgrading to the Pro version.
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Updated on
Jan 18, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, App activity, and Device or other IDs
This app may collect these data types
Location, Personal info and 3 others
Data is encrypted in transit
You can request that data be deleted
424K reviews
Rebecca Johnson
January 14, 2023
It beeps at me while charging to tell me when I have reached the high end of my target range. I can dismiss that alarm via the notification when I want to exceed that charge; otherwise it will warn me again every few minutes. I trust the app. It doesn't give me unnecessary notifications. I vaguely recall that it took me a bit of clicking to set it up to my liking but since then it's been smooth sailing.
74 people found this review helpful
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Amarand Agasi
November 20, 2022
Works exactly as advertised! Lots of good details! When I connected my device in-line with a tester, the numbers were very close. It's nice to have a way to "double check" both my meter, the chargers, and my device being charged as well. As soon as I can purchase the Pro version, I absolutely will. Received errors when trying to purchase the upgrade.
23 people found this review helpful
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Magical Korok
December 27, 2022
A good app that helps me keep an eye on the degradation of my phone's battery. Android phones don't have a way to tell the degradation of batteries and this app does, you type in the size of the battery (mah) and charge it a few times and it can determine the max capacity at the moment. This is helpful if you are split on getting a new phone or keeping your old one.
65 people found this review helpful
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What's new

• Battery health calculation now uses charging sessions with at least 60% charged. See the online help for more details.
• NEW! Battery health graph on health screen.
• NEW! Daily/weekly/monthly graphs on history screen.
• More accurate and consistent discharging stats using battery health.

• Fix CPU core usage overlay on Android 7.0.
• Health chart: update y axis on changing settings.
• Fix notification not updating on certain Samsung devices.
• And many, many more changes and fixes.