Timeline for Should I disconnect my MacBook Pro's power cord when the battery is fully charged?
Current License: CC BY-SA 3.0
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| S Mar 27, 2018 at 15:58 | history | suggested | CommunityBot | CC BY-SA 3.0 |
corrected typos
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| Mar 27, 2018 at 15:30 | review | Suggested edits | |||
| S Mar 27, 2018 at 15:58 | |||||
| May 18, 2011 at 3:16 | comment | added | bmike♦ | Thanks - I saw table 3 of batteryuniversity.com/learn/article/… and was amazed that they quote only 4% annual loss if the battery is at 40% charge instead of 20 % annual loss 100% charge at 25C. Makes sense why service batteries are usually 50% or less. | |
| May 18, 2011 at 0:59 | comment | added | Fake Name | You get the 20% (or similar) capacity loss no matter what you do, as it is a function of breakdown of the battery chemically. There is a slight increase in capacity loss if you keep the battery charged all the time (most manufacturers actually recommend long-term storage at ~40% charge). However, either way, actually using the battery is worse then keeping it charged. | |
| May 17, 2011 at 18:22 | comment | added | bmike♦ | Wow - I figured the long term storage implications of a full battery to be the same as always having it charged and topped up (and risk 20% permanent capacity loss annually). The new unibody batteries last so many more cycles I'm less concerned about duty cycles - perhaps the old data with simpler battery controllers is less relevant? | |
| Apr 18, 2011 at 7:29 | history | answered | Fake Name | CC BY-SA 3.0 |