I-V curve of a few small solar panels

Shortly after diving heads down into the MeshCore craze, I naturally started amassing solar panels for my MeshCore-related projects. &#xA; Upon working with these panels in practice, I realized that most of them are sold with notoriously deceptive technical specs. (A 10x10 cm panel delivering 5W? Seriously?) And when the ads try to be honest with regard to power output, you never know if they are…