{"product_id":"sunwell-640w-n-type-topcon-bifacial-solar-panel","title":"640W N-Type TOPCon Bifacial Solar Panel","description":"\u003cp\u003eThe 640W flagship of this N-Type TOPCon bifacial series pairs the highest power and 23.7% efficiency in the series for installers who want maximum energy per module. Its N-Type TOPCon bifacial design and dual-glass build deliver strong field yield, and a 1500V rating supports longer string configurations on commercial rooftops and ground-mount sites. The 132-cell layout keeps performance consistent under partial shade and high temperatures.\u003c\/p\u003e","brand":"SunWell Energy","offers":[{"title":"GK-4-66HTBD-640M","offer_id":47613499146294,"sku":null,"price":0.0,"currency_code":"CNY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0762\/7889\/0550\/files\/640W_N-Type_TOPCon_Bifacial_Solar_Panel.webp?v=1790255549","url":"https:\/\/www.sun-well.com\/products\/sunwell-640w-n-type-topcon-bifacial-solar-panel","provider":"SunWell Energy","version":"1.0","type":"link"}