For me, 6 hours is the difference between needing to take a charger to work and never thinking about it. If I'm going to take a charger, I might as well have 1

For me, 6 hours is the difference between needing to take a charger to work and never thinking about it. If I'm going to take a charger, I might as well have 1 hour battery life. I didn't buy the 3G version, but I do use bluetooth for the keyboard all day and still get around 9 hours out of it.