what's wrong with my battery?

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jacque26 · #1 Post by **jacque26** » Fri Apr 08, 2005 9:00 pm

After charging, it says I'm 100% charged--but when I go to use the laptop on the go, my power meter states that I've only got about 2 hrs of battery life on that full charge. This, to me, is way off. I've only got 17 cycles on this battery and the health is green. Is the meter wrong? Or is something going on with my battery? I've got all of the power management features on and the screen brightness down to 1 bar. It seems pretty ridiculous.

Leon · #2 Post by **Leon** » Fri Apr 08, 2005 10:31 pm

How OLD is the battery?

Please put Location and other relevant information in your profile. Not required, but appreciated.

jacque26 · #3 Post by **jacque26** » Sat Apr 09, 2005 12:18 am

Hi. Battery is approximately 5 months old....

dvorak · #4 Post by **dvorak** » Sat Apr 09, 2005 3:28 pm

Try out MobileMeter to check your power consumption:
http://www.geocities.co.jp/SiliconValley-Oakland/8259/

For a 6cell (48Wh) 2 hours of battery life mean you consume ~24w.
That's quite much. Mine for example sets between 10w-13w. 10 being while the HDD no longer runs (when I'm reading something), no fan and lvl 1 brightness, no CD reading, no wifi, no sound :)

First thing I would check is that if Powerplay is enabled (Display Prop -> Advanced -> Powerplay). A while back I had a large power consumption problem, and later discovered Powerplay didn't work as expected (thought I was always on AC).

#5 Post by **K. Eng** » Sat Apr 09, 2005 5:48 pm

jacque26,

We can probably give more helpful answers if you tell us (1) The type and model number of your system (e.g. ThinkPad T40 Type 2373-12U) (2) The Watt*Hr capacity of your battery (3) The typical power consumption while using the battery.

You can find the information requested in (2) and (3) by clicking the green battery maximiser gauge next to the system tray, selecting the battery information item, and looking at the status detail tab in the battery information window.

jacque26 · #6 Post by **jacque26** » Sat Apr 09, 2005 7:25 pm

Hi all. Thanks for your help. I will check out my power consumption and report back to you. As far as my laptop goes, it is a T42 2373-3VU, purchased last November. My battery has 47.52 Wh design capactiy and right now the full-charge capactiy is 44.79 Wh.

thanks again.

what's wrong with my battery?

what's wrong with my battery?

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