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My Macbook won't charge to a full 100% anymore, why is this?

My Macbook won't charge to a full 100% anymore, why is this?

Postby tarran » Wed Jul 06, 2011 1:19 am

I make it a point to let it die all the way and then charge it to 100% because I heard that thats what you should do in order to preserve the amount of time you can stay on the computer without charging it; however it's not charging to a full 100% anymore , it charges to 99% so does that mean eventually it's going to start charing to only 98% and lower and lower over time?
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My Macbook won't charge to a full 100% anymore, why is this?

Postby trucker20 » Wed Jul 06, 2011 1:36 am

You more than likely need a new battery. How long have you had that battery? If you let it charge for too long or undercharge it, it puts strain on the battery. Such as, you unplug it at 75% and use it till it dies. Then the battery will not be charging to 100% every time. Try putting as much charge in it as you can, then let the battery die out. If this doesn't work, get a new battery.

Good luck, have a great day!
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My Macbook won't charge to a full 100% anymore, why is this?

Postby blithe74 » Wed Jul 06, 2011 1:40 am

Yes, my friend, I'm afraid that that is precisely what will happen.

You're doing the right thing, by the way, in allowing your battery to drain before recharging it fully.

Sadly, batteries don't last forever. They're ability to hold electrical charge does diminish over time.
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My Macbook won't charge to a full 100% anymore, why is this?

Postby demond46 » Wed Jul 06, 2011 1:45 am

If you are using it while its charging or before its fully charged it man not read a 100% or depending on how long you've had the mac book,the battery could be suffering the effects of age,but it should not be anything much to worry about.By the way nothing lasts forever.
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My Macbook won't charge to a full 100% anymore, why is this?

Postby gilberto62 » Wed Jul 06, 2011 1:52 am

well as batteries get older they start having a harder time holding their charge it sounds like time to get a new battery
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