Polycrystalline solar panels 290W-320W

Polycrystalline solar panels 290W-320W

Xindun power polysilicon solar panel has high conversion efficiency and stable output performance.

◆ Rigorous quality control meeting the highest international standards;
◆ ISO 9001:2008、ISO 14001:2004 and OHSAS18001
◆ TUV, IEC61215,IEC61730,CE, PV CYCLE


Quality and Safety:    

◆ Rigorous quality control meeting the highest international standards;

◆ High-transmissivity low-iron tempered glass, strong aluminium frame using UV-resistant silicon;

◆ ISO 9001:2008、ISO 14001:2004 and OHSAS18001。

Features and Certification:

◆ Aesthetic appearance with excellent efficiency based on innovative photovoltalic technologies;

◆ High quality,strong aluminium frame,passing mechanical load testing 5400 Pa and wind pressure 2400Pa;

◆ TUV, IEC61215,IEC61730,CE, PV CYCLE。


Solar Panels Parameter:

Maximum Power at STC(Pmax)290W300W310W315W320W
Optimum Operating Voltage (Vmp)37.20V37.50V37.80V37.80V37.90V
Optimum Operating Current (Imp)7.796A8.000A8.201A8.333A8.443A
Open-Circuit Voltage (Voc)44.27V44.76V44.84V44.84V44.96V
Short-Circuit Current(Isc)8.419A8.640A8.857A8.999A9.119A
Solar Cell Efficiency(%)17.0017.2017.8018.4018.60
Solar Module Efficiency(%)14.9515.4615.9816.2316.49
Operating Temperature-40℃ ~ 85℃
Maximum System VoltageDC1000V
Maximum Series Fuse Rating15A
Power Tolerance± 3%
STCIrradiance 1000W/㎡,Modules Temperature 25℃,AM=1.5
Mechanical CharacteristicsTemperature Coefficient
Solar cellPoly-crystalline 156*156mmNominal Operating Cell Temperature
No.of cell72(6*12)
Weight22kgTemperature Coefficient of Pmax-0.4384%/℃
Front glass3.2mm tempered glass
FrameAnodized aluminium alloy
Junction boxPV-….Temperature Coefficient of VOC-0.3324%/℃
ConnectorPlug and Socket
Output cablesPV 4.0mm², 0.9m
1*20″246PCSTemperature Coefficient of ISC+0.0461%/℃



◆ 10 years limited product warranty,25 years for power warranty;
◇ 10 years at 90% of the minimal rated power output;
◆ 25 years at 80% of the minimal rated power output.

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