New Photovoltaic Panels Solar Panel Tongwei 620W Bifacial Dual Glass | Twmnh-66hd620 66HD620 €102.49 The Tongwei 620W (twmnh-66hd620) is a high performance photovoltaic module that integrates cells N-Type TNC of the latest generation in a robust structure of Double glass. With an efficiency of the 23,0%, this bifacial panel is designed to maximize energy production in large-scale commercial and industrial facilities. Available in Tienda Solar, It stands... Add to cart