A while back it was noted that the upgrade to OS X Mountain Lion had decreased battery life on MacBook laptops somewhat drastically compared to when it was running on OS X Lion. As some of you guys are aware by now, Apple has released OS X 10.8.2 to developers for testing, and the good news is that according to the tests conducted, battery life has returned to OS X Lion levels. This is according to the folks at The Mac Observer who wrote:
“Just as we saw in our previous tests, the upgrade to 10.8 Mountain Lion decreased battery life significantly, by about 1 hour and 45 minutes, or 30 percent. The upgrade to 10.8.1 restored about 30 minutes of battery life for our MacBook Pro, an improvement for sure, but not nearly enough to regain lost ground.
The big change came with 10.8.2, which is still undergoing developer testing. Using the latest build, 12C35, we saw a tremendous increase in battery life, to the point where running time was a few minutes longer than even that of 10.6.8.”
No word on when OS X 10.8.2 will be pushed out, but this is probably an update that MacBook owners suffering from poor battery life are looking forward to.
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