American Power Systems, Inc. (APS) designs and manufactures advanced mobile power systems and auxiliary power units (APUs) for armored, commercial, marine and purpose-built specialty vehicles. We specialize in custom design and development of high-power alternators, dual alternator bracket kits, power conversion and distribution systems from 12VDC to 58VDC, up to 10kW for diverse applications. At our state-of-the-art facility in Davenport, Iowa, our experienced team evaluates vehicle platforms for a combination of electrical equipment based on customer and industry requirements. We design integrated power systems and perform ambient and catastrophic testing to ensure our products withstand the most severe conditions. APS is the preferred supplier of government agencies and fleet operators worldwide to develop and provide power systems and programs to support vehicles and personnel in an array of environments and theatres.