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AnandTech: The truth about MacBook Air battery life
Thursday, February 07, 2008 - 11:17 AM EST

"By now you've heard that under 'normal' usage, the Air can only manage about 2.5 hours of battery life. That's true and at the same time it isn't. I touch on part of this in the review, but the MacBook Air isn't designed to be your work notebook - no ultra portable is. It's a notebook for a writer, for someone taking notes in class; it's a second notebook, or a third system. As such, the typical usage model can be very different than your standard notebook," Anand Lal Shimpi reports for AnandTech.

"At the same time, most of the people considering the Air aren't looking at it as a second notebook or a third system, they are looking at it as their primary notebook (and will be left sorely disappointed or frustrated after a while). The end result is that you need a handful of battery life tests to really cover all bases. And that's what I've done," Lal Shimpi reports.

Lal Shimpi's tests revealed:
• 4.27 hours for wireless Internet browsing and MP3 playback
• 3.42 hours for DVD playback
• 2.43 hours for Xvid playback, Web browsing, and heavy downloading

More in the full article here.

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Feb 07, 08 - 11:21 am Comment from: Ampar

They really assaulted the battery.

Feb 07, 08 - 11:35 am Comment from: ken1w

A DVD playback test? It has no built-in optical drive. Not a very reasonable test for this Mac.

Feb 07, 08 - 11:37 am Comment from: grok

A complete battery of tests seems to have been done.

Feb 07, 08 - 11:39 am Comment from: Yimmie

That's more battery life than I have ever had from my 15 inch G4 Powerbook. Sounds good to me.

Feb 07, 08 - 11:47 am Comment from: ron

Take it with a pinch of salt.

A - ssault & battery

Feb 07, 08 - 11:49 am Comment from: Ampar

"A complete battery of tests . . . "

I wouldn't be anode at how thorough they were. If their tests were deliberately weak, then they would be guilty as charged.

Feb 07, 08 - 11:52 am Comment from: grok

They're more concerned than ion this issue. I think the results are both positive and negative...

Feb 07, 08 - 11:58 am Comment from: Heh

The report has sparked some interesting discussion here.

Feb 07, 08 - 11:59 am Comment from: Military Police

Some interesting power points.

Feb 07, 08 - 12:00 pm Comment from: Military Police

grok: Comments like that last one tend to polarize people.

Feb 07, 08 - 12:02 pm Comment from: pr

Is this a current report?

Feb 07, 08 - 12:05 pm Comment from: Military Police

It makes one wonder if these concerns are grounded.

Feb 07, 08 - 12:06 pm Comment from: Zuno the Clown

A very powerful analysis - lots of plusses and minuses here. Absolutely electric.

Feb 07, 08 - 12:06 pm Comment from: bond co. stooge

Weak. Very weak.

Feb 07, 08 - 12:06 pm Comment from: ecrabb

Why do you all have to be so caustic?

Feb 07, 08 - 12:07 pm Comment from: grok

MP - Maybe you're right. I think we've about completed the circuit on this story anyway.

Feb 07, 08 - 12:08 pm Comment from: Triumph the Insult Comic Dog

Wow, and I thought I worked with a bunch of dorks every time I went on Conan . . .

Feb 07, 08 - 12:10 pm Comment from: Ampar

"The report has sparked some interesting discussion here."

Reports like these tend to galvanize people into an open discussion rather than zinc them into a revolting, circuitous cycle. And some just like to be lead along.

Feb 07, 08 - 12:12 pm Comment from: Ampar

"Why do you all have to be so caustic?"

Just a little wired, maybe.

Feb 07, 08 - 12:14 pm Comment from: grok

This has to be terminated! Even if we have to take it all the way to DC.

Feb 07, 08 - 12:16 pm Comment from: Ray

Wow the MBA is really showing it's flaws. Now you have to use it reasonably to get more than 2.5 hours of ultra slow computing. Next they are going to tell us that it only works in certain time zones and has to be held at certain angles, the moon phase has to be right....

What a practical machine. Again MBA 2.0 will be a much better machine. The economic crunch is coming, nobody should spend their money on half-baked beta phase products. I am sure Apple released this one for legal reasons. As in..if they did not release a laptop computer with multi-touch they could not extend the iPhone patents to protect that product.

Just my $0.02

Feb 07, 08 - 12:18 pm Comment from: I'll register later

I could meet you at the DC terminal. It's not far from my ohm.

Feb 07, 08 - 12:21 pm Comment from: HotinPlaya

Off subject, but

Joe Scott and Jane Skinner on FOX NEWS, have replaced their MBP's with new MacBook Black ones

The white Apple really stands out against the black plastic!

Feb 07, 08 - 12:29 pm Comment from: Uncle Al

Ampar wins...not only for the usual punishment he doles out, but for his name.

Feb 07, 08 - 12:33 pm Comment from: Resistor

I really didn't want to get involved in this conversation, but resistance is futile.

Feb 07, 08 - 12:37 pm Comment from: Micro Me

"Ampar wins"

Congratulations Ampar. As I recall, last time there was a pun competition, ChrissyOne won by one pun pun.

Feb 07, 08 - 12:40 pm Comment from: Macaday

OK the Micro Me, I was then curious about Ampar's name. Dictionary says:

"Ampar is a non-NMDA-type ionotropic transmembrane receptor for glutamate that mediates fast synaptic transmission in the central nervous system"

Now it all becomes clear...

Or wasn't that what you were thinking Amp?

Feb 07, 08 - 12:42 pm Comment from: Buster

I put up a lot of resistance to writing that parallels these series of comments but I have something to say that may shock all of you. Lord Voltemort is real and bought EverReady's battery division. In that way he could make sure that the MBA batteries could keep going anion. anion, anion...........

Feb 07, 08 - 12:47 pm Comment from: Ampar

"Or wasn't that what you were thinking Amp?"

You certainly didn't sell me short. I could axon at these but I'd better bolt now.

(And thanks, Uncle Al and Micro Me.)

Feb 07, 08 - 12:51 pm Comment from: Micro Me

No problem Ampar. After all, puns are your bread and buttery.

Feb 07, 08 - 12:54 pm Comment from: Predrag

Wow... just... wow!

I cannot remember when was the last time I saw this many puns in one single thread! Some creative bunch! Of course, leave it to Ampar to take the crown (not for the lack of trying of others, though - it was quite a contest!)

Feb 07, 08 - 12:56 pm Comment from: Lurker_PC

Ampar -

I C what you are doing all the way backup to your original post. I'll have to give you a double A or even a triple A rating. Yes I'm positive - I definitely not negative on your posts. More power to you. You have my support and I am sure we could get an additional 9 volts of confidence.

Peace.

Feb 07, 08 - 12:59 pm Comment from: mike_in_helsinki

Is it snappier with the battery or on wall juice?

Feb 07, 08 - 01:00 pm Comment from: PerformanceMan

2MB MacBook Pro vs 2MB MacBook Air SSD

What $3000 MBA gets you vs MBP + AppleCare for $3000

Performance: Xbench MBA % of MBP 100%

CPU 87% (MBA slower)
Thread 60%
Memory 100% (both same)
Quartz 75% (MBA slower)
OpenGL 14% (WOW! Crawling vs MBP)
User Interface 38% (wow! Slow vs MBP)
Disk Test: not accurate due to data on drives.

Conclusion: MBA Open GL sucks bad. If your program has a option to turn off Open Gl, use it. The integrated graphics is most likely responsible.

Feb 07, 08 - 01:01 pm Comment from: Twenty Benson

@Ampar
"They really assaulted the battery."
Oi - that was my line back when we were looking into Chrissy1's box!!

Feb 07, 08 - 01:02 pm Comment from: Ricky Badger

I for one am utterly revolted at the current discussion... let's cut it short.

Regards, R Badger

Feb 07, 08 - 01:04 pm Comment from: Truth?

The truth about MacBook Air battery life...

You can't handle the truth!

somebody had to say it! wink

Feb 07, 08 - 01:05 pm Comment from: William

That review is fresh until Aug 2012.

Feb 07, 08 - 01:08 pm Comment from: Ampar

Lurker_PC: grin
I knew you had the potential for some alternates!

Feb 07, 08 - 01:08 pm Comment from: PerformanceMan

Ran MBA through it's paces, it does get hot underneath, not nearly as hot as a MBP. Sort of a warm spot vs a egg frying hot spot.

The hot spot on a MBA is slightly on the left, right on your leg.

By the way, don't accidentally wiggle the USB security connection to the Apple-Store MBA's when playing with it's lightness.

A very loud ear piercing siren occurs. :O

Feb 07, 08 - 01:10 pm Comment from: bjh

This is a complex issue for some who find it revolting that it deflects attention from the scale of the problem, placing them poles apart from others who are galvanized into action.

We should look at this series of tests in parallel from the perspective of Henry Watt, charged with battery and who tested positive for ion possession. Currently incapacitated at ohm, he has a magnetic personality that some find electrifying and he likes to curl up in his field with an ample supply of right hand rules for measuring flux. He has strong views on power consumption and reacts negatively when his power hungry wife displays her joules. Indeed, she claims he assaulted her recently and is positive she lost an electron.

Feb 07, 08 - 01:15 pm Comment from: Monger

Here's another opportunity to contribute to a scintillating exchange. How can I re-fuse?

Feb 07, 08 - 01:27 pm Comment from: Ampar

"A very loud ear piercing siren occurs."

Isn't she working the abandoned Dell kiosk outside the Apple Store?

Feb 07, 08 - 01:28 pm Comment from: Ampar

Thanks, Predrag.
It's been a real contact high.

Feb 07, 08 - 01:31 pm Comment from: frisby

Pft. Where is steve Balmer to point out that these batteries don't even explode.

Thats watt I am afraid of.

Feb 07, 08 - 01:33 pm Comment from: Bizarro Ballmer

I'm positive this will have a negative outcome.

Feb 07, 08 - 01:42 pm Comment from: Lurker_PC

Ugg... this thread seems to have a terminal illness about it.

Peace.

Feb 07, 08 - 01:50 pm Comment from: mugwump

If the bronx is up, then the battery has to be down.

Feb 07, 08 - 02:05 pm Comment from: KenC

this conversation has been completely ionic.

Feb 07, 08 - 02:16 pm Comment from: Military Police

Some of these are starting to sound recycled. But I still get a jolt out of all the cleverness here. Ampar is fully charged.

Feb 07, 08 - 02:31 pm Comment from: chanM

Wow, this thread has me fully Energized.

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