iWALK 15000 Rechargeable Mobile Battery Pack (Black) for iPod, iPhone, iPad models
This product promotes it's iPhone and iPad compatability. It then boasts its compatability with virtually every laptop. Given also that this is called an iWalk, you would think all of this implies that one of the laptops it comes with a connection to would be the MacBook. Well....  No it doesn't. Altough they never explicitly state that it does, I found it all very misleading anf am now stuck with a product that is useless to me.