Harding Energy Inc., of Norton Shores, Michigan, was founded in 1987 by Dr. Nicholas Pietrangelo working with Stan Ovshinsky, inventor of Nickel Metal Hydride technology. Harding offers a broad range of other battery technologies including Lithium Ion, Lithium Iron Phosphate, Nickel Cadmium and Alkaline. Their focus is on value-added battery systems including custom battery packs and chargers for Medical, Communications, Security, Construction and Military markets. Harding Energy was one of the first companies to obtain a license from Energy Conversion Devices (ECD) to manufacture and distribute NiMH batteries and battery assemblies.
Battery Technology Handbook
Energy For The Future