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Zhengzhou Hetech Energy Co., Ltd.
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Cheap solar panels China
We supply Cheap solar panels China
Technical parameter(with tolerance 0~3%)
| Maximum Power | 50W |
| Optimum Power Voltage(Vmp) | 18.48V |
| Optimum Operating Current(Imp) | 2.66A |
| Open Circuit Voltage(Voc) | 22.82V |
| Short Circuit Current(Isc) | 2.83A |
| Cell Efficiency (% ) | 17.94% |
| Module Efficiency (%) | 16.47% |
Mechanical Characteristics
| Cell Type | Monocrystalline 125x125mm |
| No. of Cell | 36pcs./(4x9) |
| Dimensions | 645x540x35mm |
| Weight | 5.0kg |
| Frame | Aluminium Alloy |
| Junction box | IP67 Rated |
Temperature and Coefficients
| Operating Temperature(°C) | -40°C ~ + 90°C |
| Maximum System Voltage | 1000V |
| Temperature Coefficients of Pmax | -0.45%±0.05%/°c |
| Temperature Coefficients of Voc | -0.3% ± 0.02%/°c |
Temperature Coefficients of Isc | 0.04% ± 0.015%/°c |
| Nominal Operationg Cell Temperature (NOCT) | 46±2°C |
Quality guarantee
| 1) Industry leading power output warranty(10 years/90%,25years/80%) |
| 2) 10 years' warranty on product-materials and processing technology |
| 3) ISO9001:2000(Quality System Management) certified factory |
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Packaging
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