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Yosemite beta has increased my Macbook Air battery by 2 hours

Zellio

Zellio

macrumors 65816
Original poster
Feb 7, 2012
1,165
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I'm not sure if it means anything since Mavericks had terrible battery life for it (2 and a half hours), but I usually don't use the device, my main laptop is my macbook pro retina, I only use the air with my other devices pretty much always plugged in. However, it has improved.
 
Hope so. I saw zero improvement in battery life from Mavericks even though it was advertised as helping it.
 
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That's an interesting find. An extra two hours just from a new, and albeit, beta software.
 
I've noticed an improvement too, particularly when I've got my external WD Passport Drive plugged in, since that royally burned my battery in Mavericks. I get at least another hour under those conditions, so it may be even more without the drive plugged in.
 
Hate to crash the party, but I've seen a decrease of about 2.5 hours. My 2013 MBA is also getting significantly hotter. So it may be a rogue service/app going crazy.
 
happyhippo1337 said:
Hate to crash the party, but I've seen a decrease of about 2.5 hours. My 2013 MBA is also getting significantly hotter. So it may be a rogue service/app going crazy.
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No doubt it's a process or service that's causing the problem. I keep Activity Monitor up and watch for them so I can kill the process and keep from over heating.
 
This should be taken with a significant bowl of salt, but check out my estimated time remaining.
 

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Lucky for some, isn't it.

I'm barely getting an hour from my 2011 MacBook Pro.

Then again, it could be something to do with the fact there's a giant floaty exclamation mark demanding that I replace the battery immediately :rolleyes:

Guess it's time to spend those Amazon vouchers on batteries...

On a more serious note, even with my battery in such a poor state, I'm getting about half an hour extra from Yosemite than I'm getting from Mavericks (dual-booting on the same machine). So that's promising!
 
Yosemite has killed the battery life on my late 2013 mbpr. Going from 9 hrs to a measly 3hrs.
 
Much much worse

Desertf0x9 said:
Yosemite has killed the battery life on my late 2013 mbpr. Going from 9 hrs to a measly 3hrs.
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Mine too. Dramatic decrease in battery life. It was okay for a little bit. But has become just terrible. Lost 10% in just a few minutes. I have a mid 2013 Macbook Air. Used to have great battery life.
 
10 hrs 30 mins for me on the new 2014 rMBP 13". So about +1 hr compared to Mavericks at least the estimated time remaining.
 

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2012 mba

I am pretty sure that my battery life has been reduced. I am going to end up with less than 5 hours on a full charge. the specs give an "up to 7 hours".

This is basically doing nothing but web browsing. Bluetooth is off. I am jealous that my wife's 2013 is supposed to get "up to 12 hours". Blah. :roll eyes:

I will not put the Yosemite beta on hers. Probably would freak her out! The design is so different.
 
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