Retina MacBook Pro Battery Last Shorter than Claimed? Here’s the Quick Fix

By - Posted under: Guide, News on July 10, 2012

The Retina MacBook Pro has a claimed of 7 hours battery life. Somehow the unit that we have does not last more than 4 hours of usage. Thinking that it might be hardware issues (faulty battery, etc), we tried several method to fix it but none of the method work.

Today we came across a website that provided a simple command that can fix the issue. Accord­ing to a user on Apple’s Sup­port Com­mu­ni­ties forum, your Mac­Book Pro’s bat­tery life could be dra­mat­i­cal­ly reduced by a cor­rupt file cre­at­ed by Migra­tion Assis­tant. The only way to improve it is to remove that file.
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