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Apple Notebooks Apple's notebook computers including MacBook Pro, MacBook, MacBook Air, PowerBook, and iBook.

How to get the best out of your battery


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Soobles

 
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I have a relatively new MacBook Pro (about 2 months old). Just last week I started to notice the laptop getting hot when it's running on the battery. Wondering if anyone has some simple tips to keep the battery from dying a sudden death (like my PowerBook G4 did) and anything I can do to prevent it overheating?

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D3v1L80Y

 
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Apple - Support - MacBook Pro - Care and Handling

Apple Portables: Calibrating your computer's battery for best performance

Mac OS X 10.6 Help: Calibrating a portable computer battery

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johnnyFIVE

 
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Im not sure if any of those guides mention it but typically with batteries it is best to drain them all the way to 0% completely dead and let them fully charge to 100% uninterrupted, time to time.

With how often your battery is taken off charge at halfway and charged to 80% then off again, its typically not good for the battery health and its charge memory.

I could be wrong with laptops, but I always assume the same is true with laptop batteries as with most other batteries.

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Quote:
Originally Posted by johnnyFIVE View Post
Im not sure if any of those guides mention it but typically with batteries it is best to drain them all the way to 0% completely dead and let them fully charge to 100% uninterrupted, time to time.

With how often your battery is taken off charge at halfway and charged to 80% then off again, its typically not good for the battery health and its charge memory.

I could be wrong with laptops, but I always assume the same is true with laptop batteries as with most other batteries.
Both of the links regarding battery calibration do suggest that you run the batter dry, then fully recharge it.

Also, Lithium-ions (of any kind) do NOT suffer from charge memory effect.
On the contrary, if you completely drain a Lithium-ion battery too often, it might just fall into deep discharge state and fail to recharge far faster than you recharge from partial usage.

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Quote:
Originally Posted by D3v1L80Y View Post
Also, Lithium-ions (of any kind) do NOT suffer from charge memory effect.
On the contrary, if you completely drain a Lithium-ion battery too often, it might just fall into deep discharge state and fail to recharge far faster than you recharge from partial usage.
good to know. thanks.

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