What is better, a monocrystalline or a polycrystalline solar panel? Finn Peacock September 11, 2017 22:35 Updated Follow The short answer: Functionally, they're almost identical. There’s no need to worry about differences in performance between mono- and poly- crystalline panels. The longer answer is here. Related articles What panel brands do you trust? What's all this fuss I've been hearing lately about battery storage and Tesla? How can I compare different battery storage products? What inverter brands do you trust? How do I oversize my panel array if I want to use micro inverters? Comments 0 comments Please sign in to leave a comment.