Monocrystaline
Monocrystalline solar panels are characterized by their black PV cells with rounded edges. They have higher conversion efficiency than polycrystalline panels, which means they can produce more kilowatt-hours of electricity. If you want to install a solar panel system but have limited space, monocrystalline panels can provide higher energy output per square foot. While they are among the most efficient solar panels available, the manufacturing process for single-crystal silicon cells is more complex.