From pv magazine International
Sharp has launched the NU-JD445 solar panel, a half-cut monocrystalline PERC product with a 20.1% efficiency rate and 445 W of power output.
The new product relies on nine-busbar technology, which should make the modules less susceptible to micro-cracks. Like all half-cell modules from the Japanese manufacturer, the products have three small junction boxes, each equipped with a bypass diode. These enclosures transfer less heat to the upper cells, which helps to extend the lifetime of panels while improving overall system performance, it is claimed.
The panel has a size of 2,108×1,048mm and a weight of 25kg. The module is suitable for a system voltage of up to 1,500 V and has a temperature coefficient of -0.347% per degree Celsius.
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