80,000 good miles being something similar)Īmount of deep DOD (depth of discharges) matters, not charge cycles except in long term ideal treatment of a battery (as a very rough analogy would be 20,000 hard miles put on a car vs. *There is no set “mile” or wear from a charge cycle in general OR in specific.Īs such, contrary to popular conception, counting cycles is not conclusive whatsoever, rather the amount of deep DoD on an averaged scale of its use and charging conditions. *A person who has, for example, 300 charge cycles on their battery and is recharging at say 50-60% remaining of a 100% charge has better battery usage and care than another person who has 300 charge cycles at say 15% remaining on a 100% charge.ĭoD (depth of discharge) is far more important on the wear and tear on your Macbook battery than any mere charge cycle count.
While cycle count is commonly seen to be the “miles” on your Lithium Ion pack cell in your Macbook, which they are, this distinction is not a fine line at all, and it is a big misconception to “count charge cycles” Never drain them LOW & dont always/often store them HIGH General rule to remember of Lithium batteries is: A1321 A1286 Laptop Battery for MacBook Pro 15 Inch Mid 20, Replacement for MacBook Pro Battery A1321 A1286 MC371LL/A MC372LL/A MB985 MB986 MC118 77.5WH 4.4 out of 5 stars 156 1 offer from 37.
#Apple macbook pro mid 2010 battery portable#
"Apple does not recommend leaving your portable plugged in all the time." When not being used for several hours, turn it off. Keep it plugged in when near a socket so you keep the charging cycles down on your LiPo (lithium polymer) cells / battery, but not plugged in all the time. People with 100 or fewer cycles after 3 years have their Macbooks always plugged in and on charge which isnt a good thing at all.
I can, on purpose if so inclined, kill a battery in 100 cycles or less due to mistreatment Cycle counts, contrary to popular myth, dont mean muchĬounting charge cycles means next to nothingĬycle counting doesnt amount to much at all except in LONG TERM.
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