Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

Indicates the amount of time, in seconds, that remain until the battery is fully charged.

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.


var time = battery.chargingTime

On return, time is the remaining time in seconds until the battery, which is a BatteryManager object, is fully charged, or 0 if the battery is already fully charged. If the battery is currently discharging, this value is Infinity.


HTML Content

<div id="chargingTime">(charging time unknown)</div>

JavaScript Content

navigator.getBattery().then(function(battery) {

   var time = battery.chargingTime;

   document.querySelector('#chargingTime').textContent = battery.chargingTime;


Battery Status API
# dom-batterymanager-chargingtime

Browser compatibility

BCD tables only load in the browser

See also