 In 2004, Engineers Anil Chitrakar and Babu Raj Shrestha collaborated with their respective organizations, Environmental Camps for Conservation Awareness and Centre for Renewable Energy, to produce, distribute, and further the development of the solar tuki in Nepal.Their organizations sell the solar tuki systems, including solar panel, for $28 U.S. dollars, and the individual lamp is sold for $11.The typical solar tuki unit includes a 3 watt solar panel that charges a battery(NiMH or Li-ion) connected to two 0.4 watt white LED lamps.