systemDashboard - Battery Meter is a Widgets software developed by Justin Pulsipher. After our trial and test, the software is proved to be official, secure and free. Here is the official description for systemDashboard - Battery Meter:

Edit by Marydown: The second in the systemDashboard series, this Widget keeps track of how much Battery Time you have left and returns it in both a percentage and in time left to empty. Inspired by the dashboards of fancy sports cars.