Makanema a Photovoltaic amasintha mphamvu yowunikira kukhala magetsi akawunikira, omwe amasungidwa m'mabatire.
Madzulo masana, dzuwa likapanda kuwala mokwanira, mapanelo a photovoltaic amatulutsa mphamvu zochepa,
Kusintha koyambitsa makina, kulumikiza dera la batri kuti mupange kuwala kwa LED.