MacBook battery health after 1, 2 and 4 years: what to expect
How much MacBook battery capacity is normal after one, two or four years, what speeds up the loss, and a real figure from our Mac.
What battery health is normal after 1 year?
Usually above 90 percent. A Mac that runs warm or sits at 100 percent all day can show less.
What about after 2 to 4 years?
The low to high 80s is common by year three or four with daily use. Cycle count explains most of the difference: normal cycle counts.
Why do some batteries keep 98% for years?
Fewer cycles, cool use and Optimized Battery Charging holding at 80 percent. A desk Mac on a charger in a cool room wears slowly.
Common questions
Is 85% battery health good after 2 years?
It is within the normal range for a Mac used daily, especially with a few hundred cycles.
How fast does a MacBook battery lose health?
Typically a few percent a year, faster with heat and long hours at full charge.