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For almost a year now, a large number of older MacBook users have been struggling with a serious problem that came with OS X Lion, namely battery life. It's surprising how little we've heard about this problem, but it's not exactly an anomaly.

If you own a MacBook that was released before the summer of 2011 and that included Snow Leopard when you bought it, you might be in the same boat. What actually happened? Many users lost a significant amount of battery life by installing OS X Lion. While Snow Leopard's battery life was a comfortable 6-7 hours, Lion was 3-4 hours at best. On the official Apple forum you can find quite a few threads describing this problem, the longest of them has 2600 posts. Several such questions about reduced stamina have appeared in our forum as well.

Users are reporting a 30-50% drop in battery life and are struggling to find a solution. Unfortunately, it's hard to find without a reason. So far, the best theory is that OS X Lion is simply running a lot of background processes, such as iCloud syncing, that are draining valuable power from the laptop. Apple knows about the problem and even promised a fix, but it hasn't arrived even after four decimal updates.

[do action=”quote”]When I consider the reduced endurance as well as the speed and responsiveness of the system after installing Lion, I am not afraid to compare OS X 10.7 to Windows Vista.[/do]

The batteries that Apple supplies in their laptops are amazing in their own way. I personally own a 2010 MacBook Pro and after a year and three quarters the battery is holding on to 80% of its original capacity. At the same time, the batteries of competing laptops already have a signed part after the same period. I'm even more surprised that Apple let such a mess go unnoticed. Considering the reduced endurance as well as the speed and responsiveness of the system after installing Lion, I'm not afraid to compare OS X 10.7 to Windows Vista. Since installing the system, I have experienced frequent crashes where the system does not respond at all, or merrily rotates its "beach balloon".

My hope and the hope of other users with the same problem is Mountain Lion, which should be released in less than a month. People who had the opportunity to test the developer preview reported that their endurance increased by up to three hours with the last build, or they regained what they lost with Lion. Is this supposed to be the fix Apple promised? The Lion is completely uneaten when it comes to battery life. I hope the upcoming feline will switch to a more moderate energy diet.

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