... ,have TUV,IEC,CE,UL,MCS,ISO have good warranty and reliable insurance good quality best prices ,black panel. 1) Thin film ... every module are tested to guarantee high quality.6) 220W Solar cell modules ,black panels' size can be changed according to ... within 10 years and under 20% decrease within 25 years solar module (TUV,IEC,UL,CE,ISO),black panel