A solar photovoltaic (SPV) lantern (Solar lantern) is a lighting system consisting of a lamp, battery and electronics, all placed in a suitable housing, made of metal or plastic or fiber glass, and a photovoltaic (PV) module. Electricity generated by PV module charges the battery. The lantern is a portable lighting device suitable for either indoor or outdoor lighting, covering a full range of 360 degrees. A lighting device which does not have omni-directional lighting will not be classified as a solar lantern in the present context.
Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/technical-specifications-cfl-based-solar-photovoltaic-lighting-systems
[2] http://admin.indiaenvironmentportal.org.in/category/publisher/ministry-new-and-renewable-energy
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cfl
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-energy
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/solar-cells
[6] http://admin.indiaenvironmentportal.org.in/thesaurus/grid-0
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/batteries
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/electronics