[quote name='steviedee' timestamp='1440223635' post='2849162'] 
What do you make of this thing? 
[url="http://www.amazon.co.uk/DiGiYes®-Desktop-Charger-Samsung-Digital/dp/B00KYEFWIW"]http://www.amazon.co...l/dp/B00KYEFWIW[/url] 
 
[url="http://www.ebay.com/itm/DiGiYes-USB-Hub-Car-Charger-4-USB-Ports-Power-Supply-For-iPhone-Samsung-HTC-/111664805694"]http://www.ebay.com/...C-/111664805694[/url] 
[/quote] 
 
I doubt there are any good pedalboard power supplies that can give you 48W. If you really need that much power, use a dedicated PS like bigbassbob suggested.