Yes I have seen that reported elsewhere and I also ran into it once, Is this something you had mounted in a vehicle? because the way around it is to boot the tablet into fastboot , There should be enough juice for that as android doesn't allow the...
A quick strings on bootloader binary should put this one the bed :D
fastboot oem off-mode-charge 0
Sets the device to auto power on instead of charging
fastboot oem off-mode-charge 1
Sets it back to the orginal setting.