BatteryManager: dischargingTime property
The BatteryManager.dischargingTime property indicates the amount of time, in seconds, that remains until the battery is fully discharged, or Infinity if the battery is currently charging rather than discharging or the user agent is unable to report the battery status information. When its value changes, the dischargingtimechange event is fired.
Note: Even if the time returned is precise to the second, browsers round them to a higher interval (typically to the closest 15 minutes) for privacy reasons.
Value
Examples
HTML
<div id="dischargingTime">(discharging time unknown)</div>
JavaScript
navigator.getBattery().then((battery) => {
const time = battery.dischargingTime;
document.querySelector(
"#dischargingTime",
).textContent = `Remaining time to fully discharge the battery: ${time}`;
});
Specifications
Browser compatibility
|
Desktop |
Mobile |
|
Chrome |
Edge |
Firefox |
Internet Explorer |
Opera |
Safari |
WebView Android |
Chrome Android |
Firefox for Android |
Opera Android |
Safari on IOS |
Samsung Internet |
dischargingTime |
38 |
79 |
43–52 |
No |
25 |
No |
42
38–42Always equal to Infinity.
|
42
38–42Always equal to Infinity.
|
43–52 |
29
25–29Always equal to Infinity.
|
No |
4.0
3.0–4.0Always equal to Infinity.
|
See also