LDK 230w Polycrystalline solar panels 1,Using high quality Motech solar cell. 2,Certificate: IEC,TUV, CE and RoHS LDK 230w Polycrystalline solar panelsMaterial: Multi and ... Dimensions: less 1,968 x 996 x 50mm Installation: solar panel face directly to the sun Weight: 25kg Working life ... , Any large or small on-grid or off- grid solar power station.2, Commercial and industrial building roof-top systems3 ...