BatteryManager

The BatteryManager interface of the Battery Status API provides information about the system's battery charge level. The navigator.getBattery() method returns a promise that resolves with a BatteryManager interface.

BatteryManager.charging Read only

A Boolean value indicating whether the battery is currently being charged.

BatteryManager.chargingTime Read only

A number representing the remaining time in seconds until the battery is fully charged, or 0 if the battery is already fully charged.

BatteryManager.dischargingTime Read only

A number representing the remaining time in seconds until the battery is completely discharged and the system suspends.

BatteryManager.level Read only

A number representing the system's battery charge level scaled to a value between 0.0 and 1.0.

Inherits methods from its parent interface: EventTarget.

chargingchange

Fired when the battery charging state (the charging property) is updated.

chargingtimechange

Fired when the battery charging time (the chargingTime property) is updated.

dischargingtimechange

Fired when the battery discharging time (the dischargingTime property) is updated.

levelchange

Fired when the battery level (the level property) is updated.

• The Battery Status API
• navigator.getBattery