Introducing the JA Solar 390W Mono PERC 54-cell 1500V module, featuring 1200mm cables with MC4 connectors. This module comes with a black frame and black back sheet, identified as JAM54S31-390/MR.
The JA S31 Series modules are constructed with 11BB PERCIUM cells in a half-cut configuration. This cell arrangement offers improved output, a better temperature coefficient, and reduces the impact of shading on overall module output.
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