*Maximum power Pm(W) 240 250 260 270 280
*Power tolerance (％) ±3 ±3 ±3 ±3 ±3
*Optimum operation voltage Vm(V) 35.2 35.5 36. 36.5 36.5
*Optimum operation current Im(A) 6．82 7．05 7．23 7.4 7.672
*Open circuit voltage Voc(V) 43. 43.4 43.6 44 44.6
*Short circuit current Isc(A) 7．55 7．67 7．85 8.03 8.2
*Maximum system voltage (VDC) 1000
*Cell efficiency Eff(％) 13．7 14．27 14.84 15.5 16
*Module efficiency ηm(％) 12.5 13.0 13.5 14. 14.53
*Cell qty, type, arrangement 72pcs polycrystalline cell （6*12）
*Cell size (mm) 156*156mm
*Bypass diode (Pcs) 6
*Maximum fuse in series (A) 12
*Temp. coefficient power (％/℃) -0.45
*Temp. coefficient Voc (％/℃) 0.05
*coefficient Isc (％/℃) -0.35
*Nominal operating cell temp. (℃) 47±2
*Standard test conditions 1000W/㎡，25℃,AM1.5