Can my Mac's battery last 10 hours as Apple advertised?
My Mac's battery health dropped to 95% after half a year, is it
normal?
My newly bought Mac seems to drain its battery fast. Should I replace
it?
...
Detailed usage of last 7 days.It calculates consumption rates for you so you can easily tell your battery life.
Daily average consumption rates and working time data of last 30 days.
Monthly grouped data of all time. You can tell whether your battery life has changed over time.
Maximum capacity and bettery level distribution.
Most mac models are designed to retain 80% of its original capacity after 1000 cycles.
Keeping your battery level between 20% and 80% can improve your battery life.