Huzzah! OS X 10.8.3 Update Gives Retina MacBook Pro Owners 20+ Minutes of Extra Battery Life

Cult of Mac
By John BrownleeMar 26, 2013, 3:40 pm214 pts
If you own a Retina MacBook Pro, here’s a nice little perk to upgrading to OS X 10.8.3: you’ll get about 20 minutes more battery life per charge. The Mac Observer ran the update through its paces and here’s what they found: We decided to also run tests on our 2012 15-inch MacBook Pro with Retina Display…

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