For villager Julia Dzame and her three children, life will change dramatically thanks to Wadongo and his solar lantern.

CNN: 'Saving lives' with solar-powered lights

The Moonlight uses energy efficient LED bulbs and is powered by a small solar cell that comes with the lantern.

FORBES: Solar Lantern Brings Light to Rural Cambodians

In an informal test of solar lights carried out by The Economist in Africa, users grumbled about the soapy quality of light and lantern-style design.

ECONOMIST: Solar lighting