A:Answer That's a lie - Real world average testing comes out to about 3-7 hours of testing; you're going to want to check your wattages, display resolution, brightness settings, Bluetooth and wifi radio usage, along with your MUX settings.
It's a nice tablet, but ASUS can use some lessons on how to "underwatt" their devices to prolong battery life on devices like this. ALSO: Your BIOS is a mess.