China Stock Best Price Poly Solar Panels for Homw Solar Power System
Product Description
| Polycrystalline siliccon solar panel 250Watt | ||
| Basic information | ||
| Model | JS-27250P | |
| Category | Poly | |
| Electrical performance parameter(STC) | ||
| Maximum power-Pmax | Wp | 250 |
| Power tolerance | % | 0~+3 |
| Maximum Power Voltage-Vmp | V | 27 |
| Optimum Operating Current-Imp | A | 9.26 |
| Open circuit voltage-Voc | V | 32.4 |
| Short-circuit current-Isc | A | 9.91 |
| Maximum System Voltage-VDC | V | 1000 |
| Cell Efficiency-ηm | % | Poly silicon>18.5% |
| Standard test condition | STC | Irradiance1000W/m2 ,room temperature25ºC ,Atmospheric qualityAM1.5 |
| Components & Mechanical Data | ||
| Solar Cell | Poly silicon,156*156mm | |
| Number of Cell | 54pc(6*9) | |
| Size of Module | 1470*992*35 | |
| Weight Per Piece | 16.9kg | |
| Module glass | 3.2mm,High penetration, anti - reflection suede toughened glass. | |
| Module backplane | 0.35mm white | |
| Module frame | Silver and anodized aluminum alloy | |
| Junction Box Type | PV-LH0702 | |
| Wire | 4mm2 | |
| Temperature Coefficients | ||
| Working temperature | -40~+85ºC | |
| Temperature Coefficients of Voc(%)°C | -0.41%/ºC | |
| Temperature Coefficients of Pm(%)°C | -0.32%/ºC | |
| Temperature Coefficients of Im(%)°C | 0.055%/ºC | |
| NOCT | 45ºC±2ºC | |

HOW GOLDSUN DO QUANLITY CONTROL?
-Vertically integrated production line from silicon ingot- silicon wafers- solar cell- solar modules assembly with highly automatic production line;
-Production line are certified by America company DNV KEMA;
-More than 5 quality control points in each production process;
-All the staff went through strict training and testing before start work;
-All the equipment do calibration every 24 hours;
-R &D center focus on high efficiency solar cells and stable,higher output solar panels;
-Strictly raw material checking for raw silicon, glass, backsheet, EVA, Junction Box, etc.