Solar panels from Victron Energy have a 25-year limited warranty for output and performance and a 5-year limited warranty for materials and workmanship. All panels have a low voltage-temperature coefficient, improving high-temperature operation and exceptional low-light performance and high sensitivity to light across the entire sunlight spectrum. The panels also have a sealed, waterproof, multi-functional junction box ensures a high level of safety and high-performance bypass diodes minimize power reductions caused by shadow.