Useful confirmation
A changing level or power state confirms that the browser is receiving live battery updates from this device.
Tous les tests
Fonctionne localementSans compteSans installation
TEST MATÉRIEL EN LIGNE
Test de Batterie
Suivez le niveau, l’état de charge et les changements de source d’alimentation pris en charge.
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.
RAPPORT DE DIAGNOSTIC LOCAL
Battery status test résultat
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
Ce que ce résultat confirmeThe current browser-exposed charge and power state, and whether those readings changed during the observation.
Ce qu’il ne peut pas prouverBattery 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.
À PROPOS DE CE TEST
Des réponses rapides sans installer de logiciel.
Suivez le niveau, l’état de charge et les changements de source d’alimentation pris en charge.
Limite du navigateur: Le diagnostic du navigateur fournit des indications utiles, mais ne remplace pas une inspection physique ou une réparation professionnelle.
Les données du diagnostic sont traitées localement et ne sont pas envoyées à KeyTest.