Designing a mixed-panel system involves assessing the roof layout, sun exposure, and energy needs to determine the best combination of panel types. Mixing solar panels of various voltage or wattage, or produced by different manufacturers, is a frequently asked question by most DIYers. Though mixing different solar panels is not recommended, it's not forbidden and things would be ok as long as each panel's electrical parameters (voltage. While solar energy offers numerous benefits, understanding the intricacies of combining various types of solar panels is essential for optimizing your solar power system's performance and ensuring the best return on your investment. In this article, we'll talk about how to connect solar panels together, look at three wiring methods and explain which one is the best for you. Cost Efficiency: Integrating lower-cost polycrystalline or thin-film panels with high-efficiency monocrystalline panels can balance cost and performance. 12v, tracer bn 4215 controller.