For regular battery monitor products, samples are free except you will bear the express cost. So an express account such as DHL or FEDEX is needed. We keen for your understanding that we have a lot of samples to send every day. If all the freight are borne by us, the cost will be very high. In order to express our sincerity, as long as the sample is confirmed successfully, the freight of the sample will be offset when the order is placed, which is equivalent to free delivery and free shipping.

Wenzhou Xihe Electric Co.,LTD. is the backbone of the Chinese solar power inverter industry. The off grid inverter series has become a hot product of Xihe charge controller. This product has the consistency of product performance during a certain period. The product has overload and over/under-pressure protection. The low maintenance of this product means that people won't have to put a lot more money into the renovation project once it is installed in the kitchen. It is renowned for excellent load adaptability.

We are not a company that only focuses on self-development. Besides business development, we try our best to donate money, products, or even services to our society.