👉 Sunfast is a term used in the context of solar energy. It refers to a type of solar panel that has an extremely high efficiency at converting sunlight into electricity, making it one of the most efficient solar panels available today. The term "sunfast" was first coined by a company called SolarPlex, which specializes in developing solar power solutions for homes and businesses. The company claimed that their product had a conversion rate of 10%, meaning that every watt of sunlight they generate can be
