The latest ICS "leak" has a new kernel image that fixes the 3.8v battery problem. I've confirmed that the battery now charges to 100% and works the way it should. You'll need to flash the boot.img in fastboot.
"fastboot flash boot boot.img"
DOWNLOAD:
http://mypcdominion.com/Files/android/boot.img
"fastboot flash boot boot.img"
DOWNLOAD:
http://mypcdominion.com/Files/android/boot.img