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Excellent battery life on new 13" MBP (Screenshot Attached)

J

James17

macrumors 6502
Original poster
Dec 13, 2007
361
0
I clicked the battery icon at the top of the screen and what I seen is below. I'm extremely impressed with this new machine.:D Sold my old 15" Late 2008 Unibody few weeks ago on eBay as I wanted to downsize for portability.

Update: Obviously this was an estimated time and it was given when I used the computer on the battery for the first time upon receiving it. I assumed people wouldn't actually think I was getting 10 hours whilst using applications on it. You would probably get that amount of time by doing nothing on it. I just thought I would share it as it's the first time I've had it on any MacBook Pro and I've owned every generation of them.
 

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I hope I'm not bursting your bubble too much, but that is just an estimate. Although I have to say that I wish that my Rev C MacBook Air had that kind of battery life!
 
I can get the same result on a fully charged Macbook that has nothing running and is idle for a minute or two, good luck actually getting 10 hours of real usage though. Don't give people the wrong impression...
 
anguyenn said:
I can get the same result on a fully charged Macbook that has nothing running and is idle for a minute or two, good luck actually getting 10 hours of real usage though. Don't give people the wrong impression...
Click to expand...

Exactly. Turn the brightness up, run a few applications, and actually use the computer. That's a true test of battery life.

Having said that, I'm finding that my 15" uMBP averages ~5 hours with the brightness all the way up, Photoshop, Dreamweaver, Firefox, and Safari running. I'm pretty happy with that result!
 
shred said:
Exactly. Turn the brightness up, run a few applications, and actually use the computer. That's a true test of battery life.

Having said that, I'm finding that my 15" uMBP averages ~5 hours with the brightness all the way up, Photoshop, Dreamweaver, Firefox, and Safari running. I'm pretty happy with that result!
Click to expand...
I've had my 13 inch mbp since Saturday and the longest battery life the 'estimate' has given is around 5:45, which isnt the 7 hours advertised but im happy with it.
 
Yup. Late-2008 MacBook Pro, I can get it to read 5:34 which is past the normal capacity. Open an application or two and watch that thing drop. Thread title VERY misleading.
 
Highest battery estimate I've gotten for my MBP 13 (see signature for specs) is 6h 45 minutes. And it did last almost 5 hours last time I checked & measured it. Purty good, methinks. (Especially when the battery estimate for my MBP 15 is maximum 2 hours! Clearly an upgrade!).
 
On my 2.53ghz mbp 13"

I was only able to get about 2 hrs and 20 mins from using 70 % of my battery
thats really poor..

Things i had open
ichat
safari
firefox
excel
numbers
mail
wifi
brightness @ 80%
 
idonotliketostu, that seems about right for the applications you are running. Keep in mind that all these high battery readings are with nothing running on next to no brightness with wifi and bluetooth off.
 
idonotliketostu said:
On my 2.53ghz mbp 13"

I was only able to get about 2 hrs and 20 mins from using 70 % of my battery
thats really poor..

Things i had open
ichat
safari
firefox
excel
numbers
mail
wifi
brightness @ 80%
Click to expand...


Excel is one of the worst coded apps on the mac and uses inordinate amounts of CPU time.

Firefox (esp V2) and then Safari (if you are using it often) uses quite abit.

Nothing wrong with those numbers from 70% TBH, might need to calibrate your battery but I recon if your at 30-50% CPU usage (which is what I get when using the above) then that's pretty reasonable!
 
My uptime was 2 hrs 20 min (load average, .3), with 30% battery left is what I meant. Battery gave me an estimated 50mins for the remainder of the 30%.

For a grand total of 3 hours and 10 mins on a full "7 hr" battery.
 
idonotliketostu said:
My uptime was 2 hrs 20 min (load average, .3), with 30% battery left is what I meant. Battery gave me an estimated 50mins for the remainder of the 30%.

For a grand total of 3 hours and 10 mins on a full "7 hr" battery.
Click to expand...

Yea but with all the stuff you had open and with the 80% screen brightness that batt life seem the norm...
 
I got the same 10 hours estimation when I was not using the MBP for several minutes. I reported in the WD scorpio thread. It's quite interesting, although the time is just an estimation.
 
Yesterday I got a realistic 8 hrs with wifi and bluetooth on while connected to the internet. Brightness just about as low as possible, below 50%. Just turned the lights down low in my office.

I am pumped. Remember I was pretty careful not to run cpu intensive stuff. No videos or trailers. Actually being able to get a run-time the same or over Apple's estimate is a real surprise.
 
Atm I'm on 68% with Mail, Safari, iTunes, Pages, TaskPaper and Disk Utility on, Bluetooth off, 6 squares from full brightness...and my battery is 4:58hrs.
 
I'm pretty sure I've seen my June09 15" MBP say over 11 hours right after being unplugged with nothing happening in the system. Of course in normal use it gets about 5:30-6 hours, which is still pretty good.
 
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