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how one can know that battery is fully or partially charged then If it stays on a variable number from 93-99 . please advice

Please advice how much one should charge (not over charging) the Mac Pro battery if it shows 95%. I read the mentioned article stating 93-99% is normal battery stuff but how can one judge that its fully charged. I am new user.

MacBook Pro (13-inch, Mid 2012), OS X Mountain Lion (10.8.2)

Posted on Dec 21, 2012 8:53 AM

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4 replies

Dec 21, 2012 9:21 AM in response to famalik

Thanks Shootist,

but that means when ever I see that battery is 95% (as in my case from yesterday) I should stop charging it (unplug the AC supply) and use the battery completely till it reach low battery notification than recharge it again with power. (so dont use a presistent power supply. That is what you suggested. One more thing what software you suggest to be used in comparison to MSOffice (Word) for apple Mac Pro and it is more like a personal perference user friendly.

thanks again for such a nice reply

Dec 21, 2012 9:49 AM in response to famalik

No NOT at ALL.


If you always leave the AC power connected the battery will charge to 100% and then stop. Leaving it connected to AC the battery will drain slowly until it get to around 92% and then it will start the recharging again. This is to stop what is called Short Cycle charging where if you disconnect the AC and you only use it until the battery gets to 95% and then reconnect the AC it will NOT charge. The battery has to be below that 92+/-% before the charging circuit starts charging the battery again.


So you can most of the time leave it connected to the AC and it will work the battery. But it is suggested to run it on battery only every now and then.


Basic rule. Use it on AC unless you can't or it is to inconvenient to connect it to AC and you will not run the battery down below 20%. Once you get to around 20% Always Reconnect it to AC.

Dec 21, 2012 11:13 AM in response to Shootist007

In general Shootist007 advice is adequate, but some of the numerical particulars are not spot on. You might review some of these support articles for definitive information regarding MBP batteries:


http://www.apple.com/batteries/


http://www.apple.com/batteries/notebooks.html


http://support.apple.com/kb/HT1446


http://support.apple.com/kb/HT3371


As for the word processing applications, you might look at PAGES and KEYNOTE. They can be found in the App Store along with other options.


Ciao.

how one can know that battery is fully or partially charged then If it stays on a variable number from 93-99 . please advice

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