An ever increasing amount of electric equipment is being used on vehicles, boats and 48v power banks. Because most low voltage equipment, such as navigation and radio equipment, mobile telephones or car hi fi systems, is designed for 5 volts. Products supplies dc converters which deliver a stable 5 volt supply from a 48 volt system. These products are also distinguished by high efficiency, together with absolute safety. An inferior supply can cause irreparable damage to your 5 volt system, but the use of an OPL voltage converter prevents such problems.