... (Pcs) 36 PCS (3x12)36PCS(2x18)36PCS( 4x9)Size of module (mm) 234x247x25318x247x25378x247x25362x298x25397x298x25525x298x25624x302x25Brand Name of Solar Cells CEEG or JA SOLARMaximum ... %>15%>15.75%>13.25%>14.25%>13.5%>15%Module Efficiency (%) >14.5%>12%>13%>13.6%>14%>12%>12 ... and 20 years 80% of power,25 years for lifetime Mini Solar Module(5Wp,6Wp,8Wp,10Wp,12Wp,14Wp,15Wp,18Wp,20Wp)