JA Solar 440/GB/1500V Solar Panel, JAM54D40

The JA Solar JAM54D40-440/GB/1500V module is a high-performance n-type bifacial solar panel engineered for superior efficiency, featuring 440 W maximum power output, 39.38 V open-circuit voltage (Voc), 33.37 V maximum power voltage (Vmp), 13.85 A short-circuit current (Isc), and 13.18 A maximum power current (Imp), supported by a module efficiency of 22.5%. Built with SMBB and n-type cell technology, the panel delivers higher power generation, improved weak-light performance, better temperature behavior, and reduced LID for long-term reliability. A positive power tolerance of 0~+5 W ensures dependable energy yield, while strong temperature coefficients—α_Isc +0.046%/°C, β_Voc –0.260%/°C, and γ_Pmp –0.300%/°C—enhance performance stability across environmental conditions. Designed for modern 1500V systems, the module comes with a 12-year product warranty and a 30-year linear power output warranty, delivering long-lasting, high-efficiency operation for residential, commercial, and utility-scale installations.