RMH54/415B1 54 cells mono half-cell black frame High quality module,with high efficiency PERC cells. The half-cell design ensures better shading response, resulting in higher module performance. These modules provide the most cost-effective solution for reducing LCOE Product features 54 mono PERC cells 25 years product warranty 30 years performance warranty module efficiency up to 21,30% 10 Busbars Less shading loss