275W N-Type Bifacial Solar Panel

Industry-Leading 25.6% Efficiency: Powered by advanced N-Type 16BB cell technology, this high-performance panel achieves optimal energy conversion—significantly outperforming standard models to maximize total daily power output for your solar system. Superior Shade Tolerance: Featuring a Dual-Module Parallel Anti-Shade Design, this panel keeps producing power even when partially obstructed by structural shadows or nearby foliage—ensuring your solar system operates at peak efficiency. Up to 30% Dual-Sided Yield: Capture additional power from rear-side reflection off snow, concrete, or light roofs. This bifacial panel maximizes energy production in a compact footprint—delivering peak output for fixed rooftop and ground-mounted arrays. Reliable Power Even in Extreme Heat: With a low temperature coefficient of -0.3%/K, this 275W panel minimizes power degradation in hot conditions, guaranteeing continuous, peak-efficiency performance when heat is at its highest. Compact Power & Easy DIY Setup: Packing 275W into a manageable frame, this panel delivers high power output without the heavy bulk of 400W+ models. Easily carried and mounted by one person on rooftops, cabins, or ground setups. Built to Last for Decades: Built with ultra-strong, high-transmittance tempered glass, a corrosion-resistant aluminum frame, and an IP68 junction box, the Callsun 275W panel withstands harsh weather to deliver long-term, dependable power for residential, cabin, or off-grid systems. Long-Term Reliability - Callsun 275W solar panel with low degradation (≤1% in the first year, ≤0.4% annually) , plus a 10-year output & material and workmanship commitment, 30-year 87.4% output for lasting performance.