I also use this estimate even if it's not always right. FWIW it's still accessible in the Activity Monitor energy page.
Personally I've now disabled Apple's battery menu extra and replaced it with the one from iStat Menus because that still has a time estimate.
It's an $18 utility, but it's very well designed and has a clock menu extra that's similarly more useful than the one Apple gives you (calendar and multiple time zones in the dropdown).
Personally I've now disabled Apple's battery menu extra and replaced it with the one from iStat Menus because that still has a time estimate.
It's an $18 utility, but it's very well designed and has a clock menu extra that's similarly more useful than the one Apple gives you (calendar and multiple time zones in the dropdown).
iStat battery screenshot: http://i.imgur.com/bi95Fs9.jpg