Lighting by LED not only saving energy up to 85 percent - 90 percent but very effectively using PV-solar. LED lighting is specially useful and suitable to the regivn of ocean islands. Under Application research program of VAST, Solarlab HCM City has successfully designed and making Solar-LED Lanterns. All maih parts as: Epoxy-solar module, electronic boards, LEDs, parabol mirror etc.. are lacally designed and made following the aim: get ready for industrial manufactureing. The product could operate continuously 8h-10h/a charging day. Thousands islands and hundreds thousands fishing boats are very potetial market for the products. Beside this, shoaled in an effective lighting product which support to reducing CO2 gas. If 1 million Solar-LED Lanterns will be used in Vietnam, 34,02 ton of CO2/year will be reduced.