Halkirk Solar
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| Module Type | STM540/144-S3 | STM545/144-S3 | STM550/144-S3 | STM555/144-S3 | STM560/144-S3 | |||||
| Testing Condition | STC | NOCT | STC | NOCT | STC | NOCT | STC | NOCT | STC | NOCT |
| Maximum Power(Pmax/W) | 540 | 406.8 | 545 | 410.5 | 550 | 414.53 | 555 | 418.1 | 560 | 421.8 |
| Open Circuit Voltage(Voc/V) | 49.60 | 46.40 | 49.75 | 46.54 | 49.90 | 46.88 | 50.05 | 46.82 | 50.20 | 46.96 |
| Short Circuit Current(Isc/A) | 13.86 | 11.19 | 13.93 | 11.24 | 14.00 | 11.30 | 14.07 | 11.36 | 14.14 | 11.41 |
| Voltage at Maximum Power(Vmp/V) | 41.64 | 38.36 | 41.80 | 38.52 | 41.96 | 38.68 | 41.12 | 38.84 | 42.28 | 38.99 |
| Current at Maximum Power(Imp/A) | 12.97 | 10.60 | 13.04 | 10.66 | 13.11 | 10.71 | 13.18 | 10.77 | 13.25 | 10.82 |
| Module Efficiency(%) | 20.89 | 21.09 | 21.28 | 21.50 | 21.70 | |||||
| Nominal Operating Cell Temp (NOCT) | 45±2ºC | |||||||||
| Temperature Coefficient of Isc | +0.045%/ºC | |||||||||
| Temperature Coefficient of Voc | -0.275%/ºC | |||||||||
| Temperature Coefficient of Pmax | -0.350%/ºC | |||||||||
Our solar energy manufacturing enterprise, founded in 2013, is a national high-tech enterprise integrating advanced technology and innovative capabilities. We specialize in the R&D, production, and sales of photovoltaic products, providing solutions and services for photovoltaic power stations and systems.
The company has a strong R&D team and has established comprehensive cooperation relationships with research institutions and universities. We also collaborate with many industry-leading enterprises and institutions both domestically and internationally. Our innovative approach has resulted in numerous patented technologies, earning us a significant position in the industry.
Our state-of-the-art photovoltaic production line ensures high-quality products. We have established a production capacity of 3GW, and our product lineup includes PERC, TOPCon, and other high-efficiency photovoltaic modules. Our products have passed multiple international certifications including TUV, CE, CGC, BIS, INMETRO, and others. We have exported to more than 100 countries and regions.
We are committed to continuous innovation and improvement, striving to provide the best products and services to our customers, contributing to the global green energy transition.
