hi all, i am considering buying a folding electric wheelchair , after research i find lots of chairs with really good ranges from their lithium batteries , but what is anoying is that if you want to fly with your wheelchair you can only take one battery not 2 , as the civil aviation authority havent caught up with the latest batteries sizes so you can take your wheelchair but it will only go half the distance it will in this country. the C.A.A. NEED TO CATCH UP!