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I have a Lenovo 3000 N100 and my battery gets low real fast (sorry for bad English)

i read somewhere to execute cat /proc/acpi/battery/BAT1/info and check out design and last full capacity if they match that it is good if they don't my battery is properly dead/broken

well as you can see they match

present:                 yes

design capacity:         4800 mAh

last full capacity:      4800 mAh

battery technology:      rechargeable

design voltage:          11100 mV

design capacity warning: 420 mAh

design capacity low:     156 mAh

cycle count:          0

capacity granularity 1:  264 mAh
capacity granularity 2:  3780 mAh

model number:            PABAS024

serial number:           3658Q

battery type:            LION

OEM info:                SAMSUNG

After that I did some googling and thought I found a fix. I added pcie_aspm=force to /etc/default/grub. I fully charged the battery but still when I take out the adapter I immediately get message box that says battery critically low. Then when it gets in sleep mode and i connect my adapter again and wakes up from hibernation my screen is all white and black.

I found in Askubuntu that you should put aspm=force in this line GRUB_CMDLINE_LINUX_DEFAULT="quiet splash pcie_aspm=force" and not in a seperate line when i did that immediatly to 2 min then to 27 min then 24 min then 15/22/19/11/12/8/5/1

43 min battery, but hibernation still crashes

How do I solve this?

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blade19899
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    have you ever run another OS on this machine? if yes how was the battery performance for that OS. I ask this because its a real possibility that your battery is damaged and needs replacement. – binW Dec 02 '11 at 09:28
  • i had windows 7 on it but battery newer discharge so fast i also had Ubuntu 10.10/11.04 although still quick with discharge newer very fast and newer crashed after coming out of sleep mode – blade19899 Dec 04 '11 at 00:34
  • So is the problem fast battery consumption or hibernation crashing? – Nitin Venkatesh Mar 01 '12 at 04:51
  • Your battery is dead. They only last about a year. –  May 28 '12 at 05:37
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    In my experience, batteries last longer than a year assuming you take good care of them (my laptop's battery now only stores about 50% its original capacity when fully charged, but I can still run a couple hours off of it and it's almost four years old). – Knowledge Cube May 28 '12 at 22:46

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