[fatuna]

As I understand it, continuous running means actually putting (fake) sunlight on the panel continuously for 600 hours. This is done as rapid aging test. A quick google tought me this is within range of commercial cells. As they say in the article, if I might quote fully; "The perovskite solar cells (PSCs) are capable of retaining over 90 per cent of their initial performance after 600 hours of continuous operation, the team noted, making them suitable for commercial use."