
In
recent years mobile phone communication has been a major contributor
to economic growth in developing countries but its spread has been
hindered by limited charging options for the 650 million off-grid
mobile phone users who have network access.
Having
an operational phone means access to services that have improved
banking, health and farming in Africa and Asia. Many millions of
people at the bottom of the economic pyramid are expected to acquire
mobile phones, greatly benefiting their lives, business activities
and access to information. However, most of these new subscribers
will not have direct access to electricity.
In
response to the growing problem, London-based Buffalo Grid have
developed a text message activated solar-powered...