After uncovering a YouTube video on ASUS's channel claiming that the soon-to-be-released ASUS Padfone's battery was capable of up to 102 hours of use when in laptop mode, the folks at Engadget decided the numbers were a bit too good to take at face value. They went straight to source and got the slightly more realistic answers they were seeking. Turns out the original figure was based on 2G talk time. When it comes to 3G service and browsing the web, the hours add up to significantly less, but remain impressive.
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newtech, ASUS Padfone battery goes 14.1 hours in laptop mode during real world tests over 3G