Battery Health Monitor & Info

BATTERY HEALTH, MEASURED — NOT GUESSED

Battery Health Monitor & Info tracks your battery's real capacity, charging speed and app drain using live readings from your phone's own battery controller.

Every figure is labelled with where it came from — measured by the app, reported by your device, or estimated. If your phone cannot supply a reading, the app says so instead of inventing one.

❤️ BATTERY HEALTH & CAPACITY
• Measure real battery capacity in mAh from actual charge sessions
• Compare measured capacity against design capacity to see capacity lost
• Track charge cycles and battery wear over time
• Health trend graph across every measured charge
• Replaced your battery? Reset the baseline and start fresh

🔋 REAL-TIME BATTERY MONITOR
• Live watt meter, ampere meter (mA), voltage and battery temperature
• Smooth live charts while charging and discharging
• Battery history over 6 hours, 24 hours and 7 days
• Precise battery info at a glance

⚡ CHARGING MONITOR & CHARGER SPEED TEST
• Measure real charging speed in watts and milliamps
• Estimated time to 80% and time to full
• Charger leaderboard — name your chargers and cables, then see which is genuinely fastest on your phone
• AC, USB, wireless and dock charging tracked separately
• Charging power curve by battery level, plus session replay

📊 APP BATTERY USAGE
• See which apps drain your battery the most
• Per-app screen-on drain and screen-on time
• Drain-share breakdown over 1 hour, 3 hours, 6 hours, 1 day or 7 days

📈 USAGE INSIGHTS
• Recent discharge sessions with mAh and %/hr detail
• Idle drain compared against what is normal for your device
• Drain heatmap by hour of day

🧪 BATTERY ANALYZE
• Overall battery score out of 100 with an A–F grade
• Checks voltage stability, thermal profile, cycle wear, charge behaviour, background drain and app consumption
• Practical recommendations based on your own usage

🔔 BATTERY ALARMS
• Charge alarm — an unplug reminder at the level you choose
• Full charge alert, low battery alert and high temperature alert

🏠 WIDGET & QUICK TILE
• Home screen widget showing level, watts, current, voltage or temperature
• Quick Settings tile for charging status

📤 EXPORT YOUR DATA
• Export every charge and discharge session to CSV or JSON — your data stays yours

🔒 PRIVACY FIRST
No data collected. No data shared with third parties. No location, no contacts, no file access. Everything stays on your device.

🎨 BUILT FOR DAILY USE
• Light, dark and AMOLED themes
• Material You wallpaper colours
• Celsius or Fahrenheit
• 12 languages
• Lightweight and fast

WHY PEOPLE CHOOSE THIS BATTERY MONITOR

Most battery apps show a health percentage and ask you to trust it. This one measures capacity from real charge sessions and shows its working — including when a session was not accurate enough to count, and why.

Whether you are testing a new fast charger, hunting down a battery-draining app, diagnosing slow charging, or following your battery's condition over months, Battery Health Monitor & Info keeps the numbers honest.

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Battery Health Monitor & Info reports data provided by your device's battery system. Available readings and accuracy vary by device and Android version. This app measures and explains battery health — it does not physically repair batteries or modify charging behaviour.