See what the battery reports.
Battery level, charging state, current, voltage and temperature. Net battery power is calculated from current and voltage.
Battery-side readings; power does not measure charger output.
Offline battery app · Android 8+
Your battery,
clearly.
Current, power, voltage and temperature.
Live readings. Local recording.
No accountNo adsNo analytics
Bateli0.1.0-native.14Battery overview
50%ChargingPlugged · AC
Current
2.7 A?
Power
11.1 W?
Voltage
4.1 V?
Temperature
31.2 °C?
Recent trend
Since openingCollecting battery level samples…
Diags
Device diagnostics
samsung SM-A556B · Android 16
Average current: Unavailable
Raw current: 2700
Raw average: Unavailable
Net battery power: 11070 mW
Android health category: Good
Health is an Android status category, not a capacity or battery-health percentage.Record a session
Save battery readings locally, each 10 seconds.
Continue in background
No saved sessions yet. Start recording above.
Setup
Current interpretation
Android µADevice mA
Keep Android µA unless this device supports Device mA. Your choice also applies to average current and calculated power.
Local backups
Back up session history and theme/current preferences. Diagnostic logs are excluded. Choose a location on this device to keep the file offline.
Backups are readable JSON, not encrypted. Keep them somewhere you control.Appearance
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Switch tabs to view Live, Diags and Setup.
4 live measurements100% offline appCSV + JSON local files
What you can do
Read it. Record it.
Keep it on your device.
Save a session.
Start and stop recording in Diags. Review saved readings, session summaries and charts for current, power, voltage and temperature.
Observation gaps stay visible. Missing readings stay unavailable.
Take your readings with you.
Export session data as CSV. Save and restore session history and preferences with a local JSON backup.
You choose where to save. Backups are readable, unencrypted files.
Use it your way.
Dark, light or system appearance. Metric explanations, device diagnostics and explicit diagnostic log sharing.
Optional background recording uses a notification. Android can delay samples.
Your data stays local.
No account, server, ads or analytics.
The app has no internet permission.
- 1
Download the APK
Save Bateli.apk on your Android device.
- 2
Open and install
Allow installation from your browser if Android asks. For an update, install over Bateli without uninstalling.
- 3
Check your readings
Start with Android µA. Use Device mA only after you verify your device’s reporting.
Sensor support depends on your device. A55 comparisons are available; A9+ and OnePlus testing is ongoing. Background and screen-off recording remain under device validation.