... notice at any time.Materials of solar panel :1. Solar cell------conversion efficency of solar cells: 24%-17%.2. Front ... or industrial ground mount systems 5. solar television, Solar power, solar heater, solar lights, Highway solar street lamp, solar car / electric vehicles, satellites, spacecraft ... power,25 years 80% of power4. Certificate: ISO9001:2000, UL, CE, TUV, IEC5. We do OEM or ODM . HOW ...