Useful confirmation
A changing level or power state confirms that the browser is receiving live battery updates from this device.
Alle Tests
Lokal ausgeführtKein KontoKeine Installation
ONLINE-HARDWARETEST
Akkutest
Beobachten Sie Ladestand, Ladezustand und unterstützte Wechsel der Stromquelle live.
This checks live battery behavior—not long-term battery health.Browsers do not expose cycle count, design capacity, wear percentage, temperature, voltage, or individual cell condition.
Reading battery information…
This normally takes only a moment.
Possible warning signs
Unexpected shutdowns, swelling, excessive heat, or a very rapid drop require an operating-system or professional battery check.
Not a health score
A percentage and time estimate cannot reveal remaining capacity, cycle wear, or damaged cells.
LOKALER DIAGNOSEBERICHT
Battery status test Ergebnis
This browser does not expose live battery telemetry. Continue with the operating-system instructions above.
- Browser battery API
- Checking
- Current charge
- Unavailable
- Power state
- Unavailable
- Browser updates
- 0
- Power changes
- 0
- Observation
- Not completed
Was dieses Ergebnis bestätigtThe current browser-exposed charge and power state, and whether those readings changed during the observation.
Was es nicht beweisen kannBattery health, design versus full-charge capacity, cycle count, cell condition, charger wattage, runtime under load, swelling or thermal safety.
Battery readings and observation results stay in this browser tab and are not uploaded by KeyTest.
ÜBER DIESEN TEST
Schnelle Antworten ohne Softwareinstallation.
Beobachten Sie Ladestand, Ladezustand und unterstützte Wechsel der Stromquelle live.
Browser-Einschränkung: Browserdiagnosen liefern nützliche Hinweise, ersetzen aber keine physische Prüfung oder professionelle Reparatur.
Diagnosedaten werden lokal verarbeitet und nicht an KeyTest übertragen.