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Battery Update 1.3 MacBook Pro 15 inch Only

Battery Update 1.3
About Battery Update 1.3
Battery Update 1.3 updates battery firmware and addresses battery performance issues with the 15-inch MacBook Pro. Your computer’s power cord must be connected and plugged into a working power source while running this update.

After the Battery Update has been installed, any additional batteries you put in your 15-inch MacBook Pro are automatically updated.

And this, from

” Battery Update 1.3 “fixes” my motherboard
In the beginning of 2007 I had started having problems with my MacBook Pro (first gen) not operating on a fully charged battery. First the battery would indicate 20% of a charge left, then 50%, etc till the battery indicated 99% charge left yet still die.

I contacted apple via phone and the the Genius at the store, both told me it was a “internal wiring issue” and the motherboard would need to be replaced. Since it was out of warranty I would have to buy it out of pocket and it would be near a $1000. That was in May.

I decided to not shell out $1000 and just live with a power cord always hooked up to my MacBook Pro. I installed Battery update 1.3 yesterday and I can now operate off battery power again. So much for my bad motherboard.
-Gregory S. “

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