Always striving toward excellence, iFlowPower has developed to be a market-driven and customer-oriented enterprise. We focus on strengthening the capabilities of scientific research and completing service businesses. We have set up a customer service department to better provide customers with prompt services including order tracking notice. solar portable power station iFlowPower is a comprehensive manufacturer and supplier of high-quality products and one-stop service. We will, as always, actively provide prompt services such. For more details about our solar portable power station and other products, just let us know.This product has electromagnetic compatibility. The electromagnetic interference it generates does not exceed the level that allows radio and telecommunication equipment and other equipment to operate as intended.