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| Embedded solar slate system  Duer is the latest innovation of solar roof system by Fangxing company. Duer is a perfect combination of photovoltaic solar module and stone slate. Each board uses 12 monocrystalline silicon solar cells, which are embedded in slate structure. Installed on unshaded pitched roof, Duer make full use of roof to provide seamless clean electricity in decades. There are two options to install solar roof tile, on-grid and off-grid systems. On-grid system can power 70%+ conversion rate, whereas off-grid with battery in charge promises 17% - 25% conversion depending upon local light intensity. The mono-crystalline silicon solar cell is Grade A. The other equipments of Duer include invertor, controller (cluster) and battery.write your comments about the article :: © 2012 Construction News :: home page |