Goce from mp3Car shows you the advantage of having the p5USB Hub.

store.mp3car.com/DC_Powered_4_Port_USB_Hub_CNX_P5USB_12v_and_24v_p/adt-015.htm

Features include:
Take voltage from 7-32 volts
Guaranteed 500 mA to each port.
Each port has it's own self resetting fuse
Reverse polarity protection
Start-up and shutdown controller
Delayed start-up and shutdown (5 min and 25 min)

Talk about this on our forums
mp3car.com/vbulletin/mp3car-blog-talk/133887-new-product-p5usb-hub.html

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