They do; it's a 2.5A, 5.1V adaptor. I've ordered one myself (from here: http://au.rs-online.com/web/p/plug-in-power-supply/9098135/?origin=PSF_430702|acc http:

They do; it's a 2.5A, 5.1V adaptor. I've ordered one myself (from here: http://au.rs-online.com/web/p/plug-in-power-supply/9098135/?origin=PSF_430702|acc http://au.rs-online.com/web/p/plug-in-power-supply/9098135/?...)