Thread: iLiad iLiad Battery Hacks: Part 2 -- 35 hours of battery life! A how-to guide.
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Old 10-22-2008, 12:21 PM   #14
jharker
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Join Date: Apr 2007
Location: Brooklyn, NY, USA
Device: iRex iLiad v1, Blackberry Tour, Kindle DX, iPad.
Actually, there's a mechanical switch inside the iLiad that is pressed when the pen is in the holder. As far as I know, the touchscreen digitizer is turned on and off by this switch. So if the pen is in the holder there really isn't any power draw from the touchscreen.

Also, I think I remember doing a brief test that showed very little power drain by the touchscreen even when it was on... but I'm not sure about that.
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