Accu​Battery

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Contains adsIn-app purchases

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.
 
❤ BATTERY HEALTH
 
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.
 
📊 BATTERY USE
 
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.
 
🔌 CHARGE SPEED
 
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.
 
HIGHLIGHTS
 
- 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.
 
🏆 PRO FEATURES
 
- 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.
 
Tutorial: https://accubattery.zendesk.com/hc/en-us
 
Need help? https://accubattery.zendesk.com/hc/en-us/requests/new
 
Website: http://www.accubatteryapp.com
 
Research: https://accubattery.zendesk.com/hc/en-us/articles/210224725-Charging-research-and-methodology

Ratings and reviews

Great app, but lacking 3 important features. This app would be 5 stars if it had: 1) Temperature alarm, 2) Customizable sound when charger is disconnected, and 3) Alarm when the battery drops to a certain level such as 30%. High temperatures and extreme states of discharge are destructive to lithium ion batteries. This app does not offer alarms or proof to the contrary addressing those issues. This app could add a feature that makes a sound when charging is disconnected since Android doesn't.

Works great on some phones, but completely garbage on others. On the Pixel 7 Pro, it works great. But on the OP9Pro, it doesn't even start registering the discharge rate until you open the app. So you could use your phone for hours, open the app, and it will look like you just started using your phone when you opened the app. If that issue was fixed, it would easily be a 5 star app.

Bless Accubattery. My phone was hacked and had a line scanning up and down horizontal and lateraly. The battery was draining. I looked up apps that would help. I read many of them but yours was undeniably the best written and understanding. It's fun to use and fixed all the problems and more. This app should be called everything fix, save, protect, clean, renew, speed up, and stops and red's the phone,my computer, and smart tv of malware, viruses and IP Prot. Most people won't rate. It's 100🙏🏽

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.