Electricity has muscle power08/01/2016August 1, 2016Nuru Lights makes LED lamps that run on batteries which take just 20 minutes to recharge using converted bicycles. They are revolutionizing life for Rwandans who are not on the grid.https://p.dw.com/p/1JZVvImage: FotoliaAdvertisementElectricity has muscle powerTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video