Datel has become part of C&D Technologies, a technology company that produces and markets systems for the power conversion and storage of electrical power, including industrial batteries and electronics. This specialized focus has established the company as a leading and valued supplier of products in reserve power systems, electronic power supplies and material handling systems. Approximately 70 percent of the company's current sales are reserve power systems supplied to leading operators of telecommunications, data transmission, infrastructure computer systems and utilities to enable them to maintain critical operations during power outages. The company s power electronics division is an electronics manufacturing company that has five major product lines. Datel is located in Mansfield, Mass.