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EDUCATION: Solar panels are devices that daylight hours and convert solar radiation directly or circuitously into electrical energy through photoelectric or photochemical effects, it's perfect devices for science project. DIY YOUR OWN SMART MODEL: your own powered models, solar toys, solar lights, solar displays, charging small DC batteries. It can be used for teaching . Many of our clients e from school, colleague, etc. CONNECT SOLAR PANELS IN PARALLEL OR IN SERIES: When the voltage of your photo voltaic panel doesnt fulfill your garage battery, you'll or extra same solar panels collectively in series. Such as, two 9V solar panel join together in series, so its voltage is 18V. When the voltage of solar panel satisfies your storage battery. In order to the speed of charge, you can or more same photo voltaic panel together parallel connection. SOLID & WORK LONG HOURS: High conversion rate, immoderate efficiency output, ideally suited weak mild effect, as prolonged as there could also be sunshine, it can paintings all of the time. The shell is fabricated from tempered glass and plastic yellow frame, which keep solar panels, and broaden the lifetime of solar panels. ENVIRONMENTAL PROTECTION: Use solar panels to chop your carbon , because it is inexperienced and renewable energy. Unlike traditional generators, solar energy doesn't launch any dangerous carbon dioxide. Perfect for small projects: Such as emergency lights, commercial , visitors lights, family lights, electric fans, photo voltaic water pumps, photo voltaic avenue , etc. Category:Solar Panels Max. power: 5W Max. voltage: 10V Current: 220mA Weight: 300g/0 Size: solar panel 14x13cm, fan 12x12cm Colour: black, yellow Material: monocrystalline silicon, plastic Package Contents: 1 * Solar Panel 1 * Only the above kit content, diversified merchandise should not included. Note: Light and different displays may cause the color of the article within the picture considerably various from the genuine thing. The dimension allowed error is +/- 1-3cm.