How long can a 200W BC solar module be used? This depends on the material of the 200W BC solar module. Firstly, if the surface material is PET, it is approximately 3 to 5 years; ETFE is about 5 to 6 years; and glass is about 20 to 25 years. The years mentioned here do not mean that it stops working at this time. The usage time of the 200W BC solar module will decrease as its...