I can confirm this, with the same value (the pop up always says 4 minutes, but hovering the mouse over the battery icon gives me 2hr 15min, which is almost spot on)
-- Battery Discharging Popup Message - Runtime way off. https://bugs.launchpad.net/bugs/486935 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-power-manager in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs