We use an adaptor (actually a few of them) and a multi-port charger so we don't need to carry all the chargers for each device:

http://www.amazon.com/gp/product/B008JCVF0U/ref=oh_aui_detailpage_o08_s00?ie=UTF8&psc=1

and

http://www.amazon.com/gp/product/B00J5DS8NE/ref=oh_aui_detailpage_o08_s00?ie=UTF8&psc=1