Description: High-quality GCL N-type bifacial solar panel for sale. Model: GCL NT12R/66GDC / 66GDF Power: 620W Advanced N-type TOPCon technology High efficiency (~22%+) Bifacial (double glass) – more power output Strong and durable design Suitable for home & commercial solar systems This panel series supports 605W–630W output range with long-term performance warranty. () Condition: Brand New Quantity: Available Location: Your area Kandy Serious buyers only. Call or WhatsApp.