426 W. 2nd Street, Davenport, IA 52801
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New Product Alert: Charge Faster, Even at Idle
Need more power in a shorter time? Introducing APS’ new lower turn-on RPM alternator series, available in 60-, 90- and 130-amp models. ldeal for charging onboard secondary power banks in less time. Tested for ultra-reliability and durability.
Now More Power for Land Cruiser 300
Toyota Land Cruiser 300 owners looking for additional power to operate on-board equipment can find it with four new APS high-output alternators for both 3.3L diesel and 3.5L gas engines.
Durable, Dependable On-Vehicle Power Solutions
From military and emergency services to delivery workers and mobile pet grooming, APS provides high-output alternators, brackets, converters, high-idle controls and other power so you can get the job done.
Globally Trusted to Keep You Running
When the need for on-vehicle power is critical, clients around the world trust APS to keep necessary systems for armored and security vehicles running, no matter where the mission takes them.
Your Business Partner for Delivering Power
When your on-vehicle equipment needs ample electricity to operate, APS is your partner for delivering dependable power – even at idle.
Robust Marine Power Systems
Dependable onboard current for power to meet your goal, on the water or off the grid.
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alternator
About Us

Leading Power Solutions from American Power Systems

When you need the job done right the first time, you can depend on American Power Systems, Inc., a globally trusted leader and innovator in robust power solutions. Since 2006, APS has been designing and manufacturing advanced mobile power systems, alternators, converters, regulators and power generators for armored, security, commercial, marine and purpose-built specialty vehicles like RVs and luxury motor coaches. Founded by the late Thomas K. Evans, the Davenport, Iowa-based company specializes in the innovation and custom crafting of power conversion and distribution systems. In March 2020, APS was honored as Small Business Exporter of the Year by the U.S. Small Business Administration (SBA) Region VII office. Dependable and durable, innovative and vital, APS is your premier partner in performance.

Products

Depend on APS for Robust, Complete Power Solutions from High-Output Alternators to Regulators, Brackets, Converters & More

Applications
Armored & SecurityCommercial FleetMarine
Armored & Security Applications
APS's complete power solutions keep necessary systems for armored and security vehicles running while you’re in motion and at rest, to help you get the job done no matter where the mission takes you.
Commercial & Fleet Applications
Trust APS’s complete power systems to keep you running your best. Whether you provide on-site service that requires dependable mobile power, or you're hosting guests aboard a luxury motorcoach, we've got you covered.
Marine Applications
With hundreds of systems currently in use on watercraft around the world, APS’s auxiliary power systems and marine alternators are trusted by racers and the professionals who support them.
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Services

Rigorous Design, Testing & Hands-on Support

From custom design and integration to rigorous product testing and hands-on customer support, there’s a reason why APS is globally trusted to keep you running.