There are three types of solar panels: monocrystalline, polycrystalline and amorphous. Monocrystalline solar panels are made up of individual crystals, giving them high efficiency and good performance in low sunlight. However, they are often more expensive than other types of solar panels. Polycrystalline solar panels contain many small crystals and are typically less expensive than monocrystalline panels. They have a slightly lower efficiency, but still offer good performance. Amorphous solar panels consist of a thin layer of silicon, making them more flexible and lighter. They have lower efficiency than crystalline modules, but are often cheaper and can also provide good results in diffuse light. Choosing the right solar panel depends on your specific needs and budget. Monocrystalline modules are ideal when you need high performance in a limited space. Polycrystalline modules are a good choice if you want an inexpensive module with good performance. Amorphous modules are flexible and can be attached to curved surfaces. It's important to consider the pros and cons and make your decision based on your unique needs.