Seraphim Energy Group Co., Ltd. (Seraphim), a leading global solar product manufacturer, has recently launched its new generation of products, the S5 series highly-efficient photovoltaic (PV) modules, with the maximum power output of up to 670W with a module efficiency of 21.57 percent. The S5 series modules, integrating 210mm large-size silicon wafers with multi-busbar, half-cell,