The BMS Tester Trusted by Leading BMS Test and Development Engineers

Why Reliable BMS Testing is Important

Your Battery Management System (BMS) is at the core of ensuring battery safety, efficiency, and lifespan in your electric vehicle’s battery. However, unreliable BMS functional testing can lead to costly delays, safety risks, and lost trust. With the right BMS tester, you can avoid these issues and stay ahead of the curve.

Every BMS is unique, but the challenges remain the same:

How do you ensure electrical safety and performance without wasting time or money?
How can you simulate real battery conditions accurately?
Can your testing process keep up with the pace of innovation?

With comemso’s advanced BMS tester, you can confidently optimize your testing process, achieving precise and efficient BMS testing. Discover how our solution helps you meet these challenges head-on and elevate your testing game.

We present the BMS-HiL system from Comemso, which has set all market standards ever since

The all-in-one system: comemso’s BMS Tester HiL System Validation

Imagine a world where:

You can simulate lithium ion battery cells with high accuracy.
Your automated test process is seamless, and scalable.
All tests are performed with a complete HIL system.
You feel confident knowing your BMS meets the highest safety standards.

With comemso’s Battery Cell Simulator, this world becomes your reality.

We offer different systems for BMS HiL testing.

Comprehensive Testing for Every Stage of Development

For over 15 years, comemso has been a trusted technical leader in BMS test innovation. Our advanced systems redefine industry standards in precision and safety by offering:

Battery Cell Simulation: Real-world battery conditions without reliance on physical battery systems, supporting up to 5 Amps source/sink per channel with precision for individual cell monitoring of battery state of charge (SOC), over voltage, under voltage, etc..
Advanced Battery Models: use MATLAB® Simulink models to precisely execute the values with the comemso Cell Voltage Simulation and testing your state of battery health (SOH) algorithms, battery voltage measurement accuracy, BMS performance for cell balancing, etc.
Fault Insertion Excellence: Simulate critical scenarios, including reverse polarity faults and open circuit faults, ensuring robust system validation.
Calibration Freedom: Perform adjustment on cell voltage directly using our PC software to keep accuracy over the whole product life cycle.
Hardware-Integrated Battery Models: Modify simple battery models via an easy-to-use PC software.
Hardware-in-the-Loop (HiL) Testing: Seamless integration for complex testing scenarios for all your BMS parameters, including current sensor emulation for over-current protection test and lithium battery pack voltage emulation.
Integrated EV Charging Analysis: Combine BMS testing with comemso’s EV Charging Analyzer/Simulator to validate complete systems including BMS with EVCC (EV Charge Controller) under real-world conditions.

Comemso empower manufacturers, researchers, and developers to achieve faster results, higher reliability, and cost-efficient testing.

You need help to specify your BMS Testing System?

Contact our sales engineers. They will be happy to advise you with their many years of system design experience…

REQUEST CONSULTATION

What’s in It for You?

Save Time and Money

Achieve faster testing cycles through automation for your testing and development process.
Significant time and cost savings by avoiding the inefficient use of commercially available power supplies for this application.

Improve Safety and Reliability

Meet and exceed compliance with industry standards.
Identify potential issues early to prevent costly errors.
Simulate temperature sensors and fault conditions for robust performance and thermal management.

Stay Ahead of the Curve

With the modular, future-proof design, our BMS testing solution evolves alongside your innovation, ensuring scalability and adaptability for years to come.

Download the brochure for the Battery Cell Simulator and related products:

Why Choose Comemso?

Your Path to Better Battery Management System Validation

Our comprehensive BMS test solutions deliver unparalleled advantages:

Scalable BMS Tester: Adaptable for testing from 12 up to 300 battery cells in series with a voltage range of 0.1 – 8 V per cell output voltage.
Advanced passive and active balancing testing: dc electronic load and source current with current range of 0 – 1 A or 5 A / 6A maximum current depending on selected variant
Battery Simulator: Industry-leading accuracy with voltage emulation up to 300 µV voltage accuracy.
Comprehensive Testing: Supports testing from cell to pack level, making it suitable for diverse battery configurations. Includes different fault simulation for worst-case condition safety testing.
Real-Time System: For high-speed applications with real-time PC and use of various Simulink battery models. Ready-to-use starter project for model-based design workflows available.
Multi-System Integration: Combine BMS testing with EVCC testing (EV Charge Controller) and other automotive systems for a comprehensive testing solution.

Key Features

Support for system voltages up to 1,500 V.
Modular and scalable architecture for diverse applications.
Open real-time communication interfaces, including CAN communication and EtherCAT. Ethernet coming soon.
Integrated signal and voltage level testing.

Trusted by Industry Leaders

Automated testing with customizable scenarios and test functions.
Designed for uninterrupted 24/7 operations.
Compliant with automotive, aerospace, and military standards.

You need help to specify your test bench?

Our sales engineers are happy to support you. Feel free to contact us and get a free live product demo.

LIVE DEMO

Customizable BMS Tester for Your Needs

No two projects are the same. That’s why our BMS-HiL adapt to your specific requirements, whether testing battery management system for development, mass production, or production line inspections.

ACTIVE & PASSIVE
BALANCING

TEMPERATURE SIMULATION

SIMULATION OF
INSULATION RESISTANCE

SIMULATION OF
BROKEN WIRES

SIMULATION OF
SHORT CIRCUITS

SIMULATION OF
POLARITY CHANGES

Trusted BMS Tester for Automotive, Aerospace, and Research.

Our customers include leading EV manufacturers, Tier-1 suppliers, BMS chip designers, research institutions and universities.

Hear It from Our Clients

„At TI, we know having the right tools and support makes innovation possible. Our broad portfolio of devices for battery management systems coupled with comemso’s proven results and accuracy with their battery cell simulator helps accelerate design time. comemso offers the ability to test and measure your system on a cell level with high precision.“

Mark NgGeneral Manager for HEV/EV Powertrain, Texas Instruments

„Outstanding technical knowledge of comemso and customer application. High product quality and suitable for research.“

Prof. Dr. Remus TeodorescuAalborg University Denmark

Take the First Step Toward Complete BMS Testing

Start Achieving Superior Results Today

Achieve excellence in every step of your BMS testing procedure and here’s how you can get started:

Book a Free Demo Today:
Experience the power of comemso’s BMS test systems live in action.
Get a Tailored Consultation:
Tell us about your challenges, and we’ll craft a solution just for you.
Explore Our Resources:
Access in-depth technical documentation to learn how our systems can work for you.

Further Content and Recommendations

How to test a BMS? Expand your knowledge of Battery Management System (BMS) testing and our Battery Cell Simulation. In our videos, blog, press releases, and book recommendation, you will gain valuable insights.

How to test Battery Management Systems?

Welcome to our “Testing of Battery Management Systems (BMS)” video! Walk through the BMS testing procedures and validating of high voltage Battery Management Systems (BMS). Get a short view on testing critical BMS functions, including active and passive balancing, electrical fault injection, temperature sensor emulation for environmental conditions, and isolation fault injection. Using advanced tools like the comemso Battery Cell Simulator (BCS), this video demonstrates how to ensure your BMS performs reliably and safely, addressing real-world challenges such as thermal behavior, fault detection, and performance under varying conditions.

comemso Battery Cell Simulator, the tailored BMS Tester

How to test a Battery Management System?