 MINNETONKA, Minn.--BUSINESS WIRE--Communications Systems, Inc. NASDAQ: JCS CSI or the Company, an IoT intelligent edge products and services company, today announced that it entered into a definitive merger agreement with privately held Pineapple Energy, LLC Pineapple, a growing U.S. operator and consolidator of residential solar, battery storage, and grid services solutions. Upon closing, CSI will commence doing business as Pineapple Energy, with a business model focused on the r 