Solarbox is an award winning social enterprise offering people to charge their mobile devices for free with solar power.

solarbox will be open to the public between the hours of 5:30am - 11:30pm, 365 days a year. Users charge their phones at their own risk. If you notice any problems with the box please contact us via email, twitter or on 07989186487.

Source and further info:

http://www.solarboxlondon.org/