Power Test System

The Most Advanced Power Test System: Dynamic. Accurate. Reliable.

The 900 EX is the most advanced high power test system for use in testing and emulating a wide variety of active and passive loads. Test faster and more efficiently with more predictive results. Bidirectional capability allows you to source and sink at the same time. The 900EX is also regenerative, which will offset electricity costs.


The 900 EX is ideal for testing and emulating energy storage and drive train components of large electric and hybrid electric vehicles. The increased performance (rise time/slew rate) and increased accuracy make the 900 EX ideal for applications like EV (car, truck, bus),  Industrial (ships, trains, trucks, and planes), Military (hybrid drives and aircraft launch systems), Power Electronics (Solar Panels, Inverters), and Hardware in the loop testing. Digital controls protect critical systems and components, and the system can self-adjust to external environmental events like unstable power sources. The bi-directional system can operate at ± 250kW, or combined, it can scale to ±1MW. The 900 EX, with LCD touchscreen display, is an intelligent system that will give you the accuracy, speed, and control to add value to your tests.


Supports standard EV tests including: FUDS, SFUDS, GSFUDS, DST, and ECE-15L.

900EX: Unit Benefits

This advanced system tackles a wide range of sources, loads, and battery storage systems.  It streamlines the process by catching errors quickly, simulating real-world conditions for better predictions, and potentially saving you money through faster testing and regenerative energy use.  Plus, its two channels juggle testing multiple devices at once, seamlessly integrates into your existing setup, and cools itself without needing extra equipment.  Top it all off with various control modes, and you've got a versatile testing solution for all your DC needs.

Faster and More Efficient Testing

Achieve quicker test times and improved efficiency for your evaluations.

Digital Controls and Adjustment

Ensures protection of critical components and adapts to fluctuating power conditions.

Bi-Directional Operation

Offers both charging and discharging capabilities at ±250kW, with scalability up to ±1MW for demanding tests.

Supports Standard EV Tests

Compatible with FUDS, SFUDS, GSFUDS, DST, and ECE-15L for seamless integration into existing electric vehicle testing procedures.

Technical Specifications


900EX Power Test System - Datasheet

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At Webasto, we are committed to developing advanced power, transportation, and energy storage solutions for a brighter, more sustainable tomorrow.

To find out how Webasto can enable your success as a clean technology provider, contact us today.


E-mail: eMobility@webasto.com
Toll Free: 800-860-7866
Phone: 810-593-6000

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