Solar Module 280 watt monocrystalline solar module 1)solar module 2)monocrystalline solar module 3)Cell: Mono-crystalline 156 156mm 4)No.of cells: 72(6 12) 5)Dimension :195699245mm specification of solar module: Cell Type Mono-crystalline Silicon Solar cells Maximum power (Wp) 280wp Maximum power voltage (V) 35.95V Maximum power current (A) 7.79A Open circuit voltage (V) 44.31V Short circuit current (A) 8.26A Number of cells (Pcs) 72(612) PCS Size of module (mm) 195699245mm( 156156mm cell) Temperature Range -40~+85 degree NOVT(Nominal Operating Cell Temperature) 47 degree (+-2) Voltage temperature coefficient (VOC) -0.35% per degree Current temperature coefficient(ISC) +0.04% per degree Power temperature coefficient (Pmmp) -0.5% per degree Maximum system voltage (V) 1000V Surface Maximum Load Capacity 60m/s(200kg/sq.m) Allowable Hail Load steel ball fall down from 1m height Certificates TUV,IEC,CE,ISO,CQC Output tolerance (%) +-3% Weight per piece (kg) 28KG Glass Type Tempered Glass Junction Box Type Passed the TUV certified Length of Cables (mm) 900mm Connector Type MC4 Backside Foil Type PVDF-W250 (0.349) Frame (Material, Corners, etc.) Aluminum Cell Efficiency (%) >16.8% Module Efficiency (%) >15.6% FF (%) 77% Standard Test Conditions AM1.5 100mW/cm2 25 degree Warranty 5 years product warranty and 10years 90% of power ,20years 80% of power;