VEVOR 50FT Solar Panel Extension Cable, 10AWG Solar Extension Cable Wire with Female & Male Waterproof Connectors, 6mm² PV Cable for Home, Ship and RV Solar Panels, 50FT Black + 50FT Red (Set of 2)

Yes, this 50FT 10AWG solar extension cable is fully compatible with your 400W Bifacial Solar Panels (16BB N-Type Monocrystalline). It comes with standard MC4 connectors, 10AWG (6mm²) specification, 30A rated current and 1500V DC voltage, which matches the electrical and connector requirements of your solar panel perfectly.