40W portable solar power system For NGO donating solar home system solar system with DC fan solar lighting system 40W portable solar power system1. solar panel: ... 2 lamps and for 16' stand fan40w solar system, it can power two 3w LED lamp for more than 10 hrs ... your cabin, boat and any kinds of camping/traveling• Household power system can support , lighting, radio, recorder, fan,moblie phone 40W ...