A feature belonging to the HTML5 Battery Status API allows a website to know how much battery life is remaining on a device being used to visit it. The feature reveals battery life remaining for devices using the Chrome, Firefox or the Opera browsers. Among the data revealed by the API includes how many seconds remain until the battery has completely discharged, and the percentage of battery life remaining.
Once you’ve computed all of that information about battery life, the data can help determine the capacity of the cell being used on a specific device visiting a website or web-app. Once …
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