I just bought these cells and this is the first type that has this kind of backing. They said they are Grade A Monocrystalline cells. Has any one else seen this type befor??
I just bought these cells and this is the first type that has this kind of backing. They said they are Grade A Monocrystalline cells. Has any one else seen this type befor??
This is a 5''*5'' φ 150 mono cells for sure.
Grade A and B they are a litte different on the surface, colour difference, little flaws, most of all are visible differences.
Comment