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Old 09-06-2011, 17:44   #5
TJS
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Re: mid '09 macbook battery going strong!

Quote:
Originally Posted by Waldo Pepper View Post
The problem with batteries is heat. You can keep Lithium Ion/Lithium Polymer batteries on a float charge by keeping your laptop plugged in indefinately as most laptops have very good charging regimes. The problems occur when they heat up and that's what will eventually kill them.

As long as they run cool then whether the charger is plugged in or not will not have too much detrimental effect. I sit my laptop on a glass breadboard to ensure adequate air flow under the base.

If I am doing anything heavy like video manipulation, I remove the battery and just run on the power pack on a UPS as the heat generated can be conducted to the battery pack.

If you are not going to use it for a bit, store the battery pack in the fridge. (not the freezer)
The location of the battery on mac's is on the front left of the keyboard; away from the cpu + gpu so they stay pretty consistently around 30*c;

Storing batteris should be around half battery though; so i try to run mine down to around there before i leave it over night seems to have been working for me on ly last 3 laptops
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