What? You can turn on percentage in the menu bar, and there's several different usage graphs in multiple places. If you want the actual milliamp-hours, load c

What? You can turn on percentage in the menu bar, and there's several different usage graphs in multiple places. If you want the actual milliamp-hours, load cycles, battery temperature, age, or even battery serial number, there's an api for that. You can use for example coconutBattery and get whatever data you want.