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In this video I’ll show you how to use a somewhat obscure tool from the command line in Mac OS X to help drain your battery faster when it comes time to calibrate the battery on your Apple laptop.
More info about dev null can be found at:
http://en.wikipedia.org/wiki/Dev/null
Duration : 0:9:43
You don’t need to …
You don’t need to let it sleep for 5 hours do you? You can also just turn it off, this saves…5 hours ^^
i have a macbook …
i have a macbook pro and wanted to know, does calibrating the battery about 1 month after getting the macbook still work, or do u have to do it in the first week of getting it?
Mr.Spock LOL!
Mr.Spock LOL!
where can i get the …
where can i get the mini meters on your upper right hand corner you showed?
Since Mac OS X uses …
Since Mac OS X uses BASH, this also works in certain Linux distributions like Ubuntu or Debian.
wow…u just taught …
wow…u just taught me soooooo….much, thanx.
not all macs on …
not all macs on intel are dual core what about the mac mini when it went from g4 to intel it had a core solo
No. The only thing …
No. The only thing that can really hurt a processor is heat, but the SMC fan software that’s built into every Mac will automatically power up the cooling fans before the processor would overheat. That’s why my laptop was so loud when I was making this video.
I have a question …
I have a question on one of your methods for running down the battery. I’m going to be purchasing a MacBook in the near future, and if I did that to the two processor cores, would that hurt the processor any?
Thanks
There aren’t really …
There aren’t really good free ones on the Mac. I think that the best value for money right now comes from Shiny White Box’s iShowU. I highly recommend it!
Well the easiest …
Well the easiest thing to drain your battery apart from the things you mentioned would be to make it play chess computer Vs. computer… (apple actually suggested it when I got my replacement battery…)
Cheers
Or, you know, you …
Or, you know, you could just watch a movie or play a game. Really, it’ll take a little longer, but you don’t have to do a ridiculous amount of crap to get to it. If you want to do it fast, do this method. If you have some time to spare, then just watch a movie or something.
lol. nice nice, …
lol. nice nice, yeah im def not doing that thanks. batteries are cheaper than a fan/cpu/display/or circuits repair on it. oh wait applecare. still rather not go through wit the hassle. nice vid though.
O_O um thanks’ for …
Every one has their own personal preferences 
O_O um thanks’ for the tip but i rather keep my brightness to 1 and every thing to low batterie usage
u should consider a …
u should consider a screenrecorder there are good free ones
Easiest and safest …
Easiest and safest way to do this is simply put in a game, anything like Crysis or Sureme Commander on high settings will push everything to the max.
yo i just …
yo i just calibrated my battery and i used coconut battery and before i calibrated i had like 96% current battery capacity and now i have 78%! I need help!
how did u put the …
how did u put the cpu/proccesor usage/% in the menubar?
can’t figure it out?
i think playing a …
i think playing a dvd at full brightness will be much easier than doing all the small stuff
this seems rather …
this seems rather OCD. And it might really fry your computer, even though you have fans (if it’s left like this for some time).
can you just pump …
can you just pump the computer full of drugs? LOL
I would not trust …
I would not trust them…since they’re selling their batteries… :p
Apple recommends to …
Apple recommends to calibrate your battery once every two months to keep overall battery life as high as possible
Won’t that KILL …
Won’t that KILL your whole computer?
Thanks for the tip, …
Thanks for the tip, but I don’t think it’s that good either for the computer or the battery since this is not normal use of the laptop. besides, this monthly calibrating stuff is crap : it’s just used to make you buy another battery :p. Doing it once or twice in the laptop’s lifetime is enough.