Basic Information Power Rated Power: STC 125W (±3W) BNPI 138W (±3W) Short Circuit Current: STC 3.2A BNPI 3.4A Optimal Operating Current: STC 3ABNPI 3.2A Connectivity Connector Type: XT60 Others Open Circuit Voltage: 50V Optimal Operating Voltage: 43V Recommended Ambient Temperature: -40°C to 85°C (-24°F to 185°F) Efficiency: 25% Bifaciality Coefficients: 80%±5% Maximum System Voltage: 600V DC (IEC/UL) Cell Type: TOPCon monocrystalline silicon Lifespan: 30 years, 90% Waterproof & Dustproof Rating: Solar Panel IP68 XT-60 Connector IP68