... power board 1:USB charge for IPHONE,IPAD,MP3,MP4 2:4-way socket With 2 USB output 3:Aus type,Surge protect. SAA power ... board1:USB charge for IPHONE,IPAD, ... MP3,MP42:4-way socket With 2 USB output 2*500ma3 ... and more common to find but will not power/charge our display. SAA power board