Cheetah HC MBB 72H 400-420 Watt KEY FEATURES Higher module conversion efficiency (up to 20.87%) benefit from half-cell structure (low resistance characteristic). High Efficiency Low-light Performance Certified to withstand: wind load (2400 Pascal) and snow load (5400 Pascal) Severe Weather Resilience High salt mist and ammonia resistance certified by TUV NORD. Durability against Extreme Environmental Conditions