The new MacBook Pro retina screen is very expensivesome users have invested their savings in this laptop. And there are some of those users who have complained that the laptop’s battery lasts a very short, about half of what should take according to official specifications. Did you find this? If your Retina MacBook Pro isn’t delivering the battery life you expected, try this simple fix.
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.
I FINALLY FIGURED OUT THE ISSUE! Its a simple terminal command. There is a corrupt file that Migration Assistant created and this will fix the issue. I am now getting 8+ hours of battery on my MBP Retina.
So here’s how to do it:
And after this your desktop will refresh and fully charged , possibly changing your wallpaper Mac to Lion’s default backdrop — and also the corrupt file will be removed. If this is indeed the cause of your battery woes, you should not find that your battery life now increases significantly.