battery status
 

Hi Everyone,

I am unable to display my battery status using acpi in the terminal window. I have also tried ibam and all I get is the following:

Adapter 0: off-line
Cooling 0: LCD 0 of 7
Cooling 1: Processor 0 of 10
Cooling 2: Processor 0 of 10
tongsak@yoshi:~$ /sys/class/power_supply/BAT0/energy_ful
bash: /sys/class/power_supply/BAT0/energy_ful: No such file or directory
tongsak@yoshi:~$ ibam
No apm data available.
tongsak@yoshi:~$ acpi
tongsak@yoshi:~$ display acpi
display: unable to open image `acpi': @ error/blob.c/OpenBlob/2489.
tongsak@yoshi:~$ sudo acpi -v
acpi 1.5

Copyright (C) 2001 Grahame Bowland.
2008 Michael Meskes.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
tongsak@yoshi:~$ sudo acpi -V
Adapter 0: off-line
Cooling 0: LCD 0 of 7
Cooling 1: Processor 0 of 10
Cooling 2: Processor 0 of 10

Please let me know what to do... Thanks

maybe