Mine usually says 180% and 00:00 when it's on AC power. Using a dell inspiron 4150, kernel 2.6.15, debian linux james@laptop:~$ acpi -V Battery 1: charged, 100%, rate information unavailable. Thermal 1: ok, 59.0 degrees C AC Adapter 1: on-line james@laptop:~$
Confirmed... Thanx!
There are some fixes applied in the 0.4.90.2 release, please reopen if it appears again.