High-efficiency photovoltaic module using silicon nitride Mono crystalline silicon cells
Performance   BP 485    BP 480    BP 475      
Rated power (Pmax)              85W               80W               75W
Module tolerance                   ±3%
Nominal voltage                     12V
Warranty                               25years                    

Qualification test parameters 
Temperature cycling range:     -40°C to +85°C (-40°F to 185°F)
Damp heat test:     85°C, 85% relative humidity
Front and rear static load test (e.g.: wind):      2,400 Pa (50psf)
Front load test (e.g.: snow):     5,400 Pa (113psf)
Hailstone impact test:     25mm?(1 inch) at 23m/s (52mph)

Typical electrical characteristics        BP485             BP480              BP475 
Rated power (Pmax)                         85W                80W                  75W                    
Voltage at Pmax (Vmp)                    17.8V               17.2V                17.4V                    
Current at Pmax (Imp)                      4.78A               4.7A                  4.3A                      
Short circuit current (Isc)                  5.1A                 5.1A                  4.7A                     
Open circuit voltage (Voc)                 22.2V              22.0V                  21.8V                    
Temperature coefficient of Isc:     (0.065±0.015)%/ °C
Temperature coefficient of Voc:      - (80±10) mV/°C
Temperature coefficient of Pmax:     - (0.5±0.05)%/ °C
NOCT:      47±2°C    (Air 20°C; Sun 0.8kW/m2; wind 1m/s)
Maximum series fuse rating:     15A (S); 20A (J)
Maximum system voltage:    600V (US NEC rating);1000V (TUV Rheinland rating);1000V (IEC 61215 rating)