It can easily go an additional 4 hours beyond that with the dock... and is rated for something like 16 hours of run-time with the dock by ASUS.
Reviewers who run benchmark and performance tests are saying it'll run for about 7.5 hours on the tablet battery alone. It is always hard to determine what they mean by that. Did they turn it on and use it constantly for 7.5 hours until the battery gave out? In real world experience, the run and standby time together are FAR more than 8 hours - but you're not running it all the time - it spends most time in standby. So... long story short, your use patterns are going to determine how much life you get out of it, but either way, it has a phenomenal battery life.
Do you carry a USB thumb drive around with you? Check out these scenarios...
1: You can easily download a file to the TF300, insert your USB drive into the TF300's USB port on the dock, copy the file over to the USB drive, and then insert the USB drive into the machine you're working on.
2: Or just carry around the USB cable for the TF300, and connect the whole TF300 via USB to the device you're working on. The internal memory will map as a browseable USB drive on that system.
A lot of times, the usability models for these devices come from thinking OUTSIDE the limitations you normally would accept. I could have been doing the thing with accessing Technet for awhile. I just realized I could do it recently, like a dim 40 watt bulb flickering feebly to life over my head.
I recently wrote another article on some apps I am using to leverage my Android devices in a corporate environment, and after I had finished the review, another justified use model occurred to me that is pretty cool. I'll share that one when that blog is posted. In almost all of these cases, though... you've got to think beyond how you USED to do things to realize, "how can I do things DIFFERENTLY and BETTER" with this kind of device.
Recently we held a Change Control meeting. Our regular minute taker wasn't present. I've been taking notes using SuperNote - a bundled app. I was able to complete the notes and send them via e-mail to all attendees before they had left the conference room. One of the attendees couldn't find a particular note. I was able to pull my notes up, quickly find the notes he was talking about, and find the particular note he couldn't find and read it back to him. But I hadn't been taking digital notes until I saw someone else do it, as I mentioned above.
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