Curious if anyone has ever purchased a USB charging male fitting that plugs into the cigarette end that is on the backrest ??? It measures 1/2" wide, I have heard this is called a EU, stands for European style but need the other end to have 2 USB ports for charging my apple iPhone . I am sure I am not the only one that has had this issue, would really appreciate any help I can get to find out where to buy these . My bike again is ........ 2003 BMW K1200LT with Hannigan trike Kit . Thank You !!!