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The Hyundai HiS-T440NF(BK) is a 440W all-black bifacial solar panel built on N-type TOPCon half-cut cells. It reaches up to 22.53% module efficiency and has 80% ±5% bifaciality, so it can harvest reflected light on its rear side when mounted over a light surface. Hyundai backs it with a 25-year product warranty and a 30-year performance warranty. It suits homeowners and small commercial installers who want high output per square meter and a clean all-black look, and it competes with other TOPCon bifacial modules on efficiency and warranty length rather than on anything unusual.
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This is a 440 W bifacial solar panel from HD Hyundai Energy Solutions, model HiS-T440NF(BK). It uses N-type TOPCon monocrystalline cells in a 108-cell, 16-busbar half-cell layout. Module efficiency is up to 22.53%.
The panel has an all-black design and dual glass construction, with 2.0 mm semi-tempered high-transmission glass on the front and rear. The rear side captures light as well, with 80% ±5% bifaciality. The frame is anodized aluminum alloy, and the junction box is rated IP68.
It is intended for residential rooftop systems, small commercial installations and bifacial solar projects. A 25-year product warranty and a 30-year linear power output warranty apply.
