It depends on how many samples of solar panel charge controller you require and whether we have some in stock. If we have some in stock, we can offer one or two samples for free. And if we are out of stock or your required sample needs to be customized, we are afraid that we can not offer the sample free of charge. But the sample fee can be refunded once you place the order. Welcome to contact us!

As a professional solar panel charge controller manufacturer and supplier, Wenzhou Xihe Electric Co.,LTD. has grown in a rapid way than most other competitors in the China market. Various in styles, Fangpusun charge controller's solar panel charge controller can meet the needs of different customers. The product has passed the international quality certification, assuring that it is of great quality. Its temperature-controlled cooling fan helps reduce energy consumption. This product is a wise business investment for drawing sales traffic into the establishment. It is attention-grabbing and able to convey the brand’s message effectively. With a hard structure, it is able to withstand extrusion and bump.

Our goal is always to provide the best service and exquisite solar panel charge controller. Inquire now!