W4 - use USB while maintaining charge

I do not have a W4 but this worked on another 8" Bay Trail system. It would be interesting if it works with the W4.

 

The secret seems to be two things. There may be others but this is working for me.

1) StarTech USB2HAUBY3  Y cable- 2 USB A and Micro USB B (male)   

http://www.amazon.com/StarTech-3-Feet-Cable-External-Drive/dp/B0047AALS0/ <- this one.

2) USB Female-Female gender changer

 

I plugged the red connector into the Wall Wart that came with the Bay Trail tab, the Micro USB into the tab, and the black USB with the gender changer into the Targus powered docking station. Power icon reports "plugged in, not charging. After an hour the charge has not changed: still 79% as originally booted.

 

Rebooted and still have USB access with both 24" displays and Targus dock still operational. Still showing 79% charge. No cutting, no splicing.

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