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cmx08

macrumors regular
Original poster
Jan 20, 2004
138
0
Canada, GMA
For those of you who have march 2004 macaddict issue, go to page 64 BATTERY LIFE article.

For the rest, open Terminal and type

ioreg -l | grep -i IOBatteryInfo

This command will show the capacity of the battery and it's Amperage

Max Battery Capacity are:
5000 iBook G4
4700 PB 12
4600 PB 15
5800 PB 17

My 7 weeks iBook G4 12" shows 4574, that's 8% lose
 

RBMaraman

macrumors 65816
Jul 25, 2002
1,228
39
New Albany, IN
My 2.5 year-old iBook G3 500 is 3744.

I get about 4 hours out of my battery with airport off, and about 3.5 hours with airport on. Fabulous for a 2.5 year-old battery used nearly everyday.
 

Cypher3

macrumors regular
Feb 13, 2004
110
0
Hey everyone,

This is my first post here, as I just got my firts Mac. An iBook G4 800 which I love. One thing though, I check my battery capacity and its at 4144. Now ive only had my iBook for 5 days. What should I do?

Thanks,

Cypher
 

cmx08

macrumors regular
Original poster
Jan 20, 2004
138
0
Canada, GMA
I don't know what we can do

it saids that the max is 5000, but macaddict didn't say what % we will lose right out from Apple.

the values i posted are the max, in other words, apples prediction.

no one reachs that point.

I spent 4 hrs running my 12 ibook with airport ext at full speed non stop, and it still show 4574 all the way, the Amp was the only thing that change.

I believe that the value you got will be decrease no matter what you do.

You might what to tell apple about your battery. I think that a 10-15% loss from apple should be acceptable.


but again, if you still get at least 75% of the estimated battery life, they will not do a thing. even if ur capacity is only 70% when u got it at first
 

Powerbook G5

macrumors 68040
Jun 23, 2003
3,974
1
St Augustine, FL
Either way, I get darn near 4 hours most of the time and that's pretty much square with what Apple estimates battery life to be, even if the capacity is lower than what MacAddict says it should be. I have never had battery life issues so it seems normal to me.
 

actripxl

macrumors 6502
Aug 24, 2002
309
65
Chicago, IL
Anyone know how I can extend my battery life? I've turned off airport and bluetooth but I only get about 2 1/2 on my PB 15. Is that normal or did I just get a bad battery?
 

crees!

macrumors 68020
Jun 14, 2003
2,015
241
MD/VA/DC
Originally posted by Cypher3
Hey everyone,

This is my first post here, as I just got my firts Mac. An iBook G4 800 which I love. One thing though, I check my battery capacity and its at 4144. Now ive only had my iBook for 5 days. What should I do?

Thanks,

Cypher

Run it down on battery power till it goes to sleep then plug the AC back in and fully charge it.. this should calibrate your battery. Don't make a habit of it though.
 

crees!

macrumors 68020
Jun 14, 2003
2,015
241
MD/VA/DC
Originally posted by actripxl
Anyone know how I can extend my battery life? I've turned off airport and bluetooth but I only get about 2 1/2 on my PB 15. Is that normal or did I just get a bad battery?

Don't forget to bring down the brightness of the display. If you're inbetween 2 1/2 and 3 hours you're fine. On my 15" Al PB I have bluetooth off, airport on, and brightness down to 1 notch am I'm getting 2:42. Remember it also depends on what you're doing. You'll last longer if you're just surfing the web and checking emails than playing a game or working in Photoshop.
 

Mord

macrumors G4
Aug 24, 2003
10,091
23
UK
ibook supa battery

cpasity=4760

on a two year old ibook 600 cd :)

I usually get 5-5 1/2 hours 3 when playing games
(like mohaa)
 

Achtung_U2

macrumors member
Feb 3, 2004
59
0
Chicago, IL, U.S.A!
Ti Powerbook 667 15"

capacity=2297 amp=1099

yikes! what gives here???

Thanks for showing me this. But, it matches my real world use..... This powerbook generally only goes for about 1 hour, 40 minutes on either battery.... its been this bad since new!

i am gonna start running it with dimmed screen as some have suggested and see how that goes.

Thanks much, Mark ~
 
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