According to these guys, if the data lines are shorted according to the "dumb us...

yungchin on Sept 13, 2013 | parent | context | favorite | on: USB Condoms

According to these guys, if the data lines are shorted according to the "dumb usb" spec, you should be able to draw whatever the port can provide: http://www.portablepowersupplies.co.uk/portapow-fast-charge-...