Whether it's a tablet, netbook, or cell phone, a battery-powered device is useless if the battery runs out. That's why the most important feature of the perfect Android tablet will be a long-lasting battery
. You what would be even nicer? Two batteries, with the ability to replace one of them without having to turn off the tablet. What's the next most important feature?
For more, see Ed Burnette's complete series, How to
build the perfect Android tablet