13" MP Pro Brand New - Battery Question

Hello, I just purchased a new 13" MB Pro yesterday from apple. I used it yesterday, fully charged last night and this morning was at 99%. It said I had "9hrs48min" of time remaining, 15 minutes later it is at 94% and says I only have "7hrs48min" remaining. Is this a common bug?

Hi njmedic2872,
It's not a bug. The time remaining calculation is based off current CPU load. So when you first viewed it, based on the CPU load at that time you had 9:48 of battery left. When you viewed it 15 minutes later the load on the CPU had changed and thus reflected given the new CPU load (if that continued) you'd have 7:48 of remaining battery run time.
Personally, I wouldn't put a lot of faith in that time remaining. It'll jump all over the place, every few moments based on what you're doing and it's difficult to know how much time you really have left because how you're using the computer will constantly be changing.
The percentage display is probably the better bet, as the number moves downward in a linear fashion versus bouncing around like the time remaining. You won't see the percentage drop to 94% then back up to 97% and then back down to 93%.

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Message was edited by: luckylindyhopper

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www.ronpaul2008.com

what's interesting tho is that the old battery cycle count was 43 and this one reads 0
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Mac Pro - Brand New

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Message was edited by: Freis1968

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Can someone please help me. I have a brand new MACbook pro and I tried transferring my PC data. But now my Mac is froze up. I get a login screen then gray........
<Edited by Host>

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Good morning everyone.
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I apologize for bumping my own question here, but I figured it would be best to share my experience for others to read.
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13" MP Pro Brand New - Battery Question

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