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#Replacement battery for macbook pro 15 late 2008 how to
#Replacement battery for macbook pro 15 late 2008 mac os x

Use and cleaning of MagSafe power connector

#Replacement battery for macbook pro 15 late 2008 how to

MacBook: How to remove or install the battery

#Replacement battery for macbook pro 15 late 2008 mac os x

MacBook reduces processor speed when battery is removed while operating from an A/C adaptorĪpple portable computer’s battery does not show a full charge in Mac OS X The following links have good information about the MacBook and the care of it’s battery. You should calibrate your battery once a month. The only time I unhook mine from the charger is when I calibrate. It is OK to leave your battery hooked to the charger most of the time. Connect the power adapter and leave it connected until the battery is fully charged again.Turn off the computer or allow it to sleep for five hours or more.Continue to use your computer when the battery gets very low, the computer will automatically go to sleep. When your battery gets low, the low battery warning dialog appears on the screen. You may use your computer during this time. Disconnect the power adapter while the computer still on and start running the computer off battery power.You may use your computer during this time as long as the adapter is plugged in. Allow the battery to rest in the fully charged state for at least two hours.Plug in the power adapter and fully charge your PowerBook’s battery until the light ring or LED on the power adapter plug changes to green and the onscreen meter in the menu bar indicates that the battery is fully charged.This will help keep system calculate the battery correctly. So that is not a unusual case.ģ- How to Calibrating your computer’s battery for best performance Because we have 1000 load cycle = more than 3years. When the battery drop to below 85%, if I am at home or available place (Cafe, or meeting room) I need to connect charger again till it charge to full (100%), This will be prevent from load cycle increase 1 or 2.īut few time per month, I need to use my Mac for alone time, so I cannot plug charger or connect charger. If you did the same thing the next day, it would count as one charge cycle, not two, so it may take several days to complete a cycle.īy this information, I understand that, if we charge the battery to full (100%) we need to disconnect charger, because some people said that, they replace their battery in a year by the this reason (continue charge).

For instance, you could use your notebook for an hour or more one day, using half its power, and then recharge it fully. MacBook Pro (15-inch, 2.53 GHz, Mid 2009)Īll PowerBook G4 12″ 15″ and 17″ computersĪ charge cycle means using all of the battery’s power, but that doesn’t necessarily mean a single charge. Here is the table that show the maximum Cycle of battery of each model () Computer

Turn off, Bluetooth, Disconnect or Reject DVD, Flash Drive.Ģ- When you need to plug or disconnect charger.

Look on the dock bar, Secondary (Right) click, then choose Quit to unused application

Close all applications that you don’t use it.

Turn off the keyboard back light, It is not important to turn on when you work on day light.

Setting light to confortable level, e.g.: 3 or 4 bars.

This post will write about How to setting to maximize battery life, When you need to plug or disconnect charger, and How to Calibrating your computer’s battery for best performance.ġ- How to setting to maximize batter life. I decided to note this on my personal blog. After I spend few days on Battery Saving, I found the answer.