I can confirm this on a Dell XPS M1330. Fiddling with the battery brightness levels to make them match available levels as shown in /proc/acpi/video/VID/LCD/brightness causes the brightness to get very close to being restored to 100%, but still not all the way.
I can confirm this on a Dell XPS M1330. Fiddling with the battery brightness levels to make them match available levels as shown in /proc/acpi/ video/VID/ LCD/brightness causes the brightness to get very close to being restored to 100%, but still not all the way.