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Power Designs was a test equipment manufacturer based in Westbury, New York, and Palo Alto, California. Power Designs’ popular product line of direct current (DC) power supplies in the 1960s made this brand popular among engineers, technicians, and electricians. Today, Power Designs’ variable DC power supplies are still popular among industry professionals. The brand’s power supplies deliver energy from a power input to a power output, enabling a wide range of electrical applications in many industries. Hobbyists also purchase vintage Power Designs test equipment as collector’s items. ValueTronics sells high-quality used and refurbished Power Designs equipment engineers can no longer purchase new.