Battery Test & Measurement

Batteries are becoming ubiquitous and are a key technology in a number of areas like transport, power and industry.

Battery manufacturers and integrators in these sectors needs to perform advanced tests to assure the quality of their batteries and systems. There are different challenges related to battery measurements on different system levels; from characterization of individual cells to balancing a high voltage battery stack. 

WireFlow has experience in designing test and measurement equipment for these battery applications. By using our ready-to-use software and hardware building blocks, we can quickly build customized test and measurement system that fit your need. We develop and manufacture systems for both production test and design characterization.

Do you want to know more about Battery Test & Measurement? Please contact us at info@wireflow.com

Operator panel for a battery cycle test rig.

A charging and testing station for battery pack manufacturing.

WireFlow Battery Cycle Test Rigs

Solution for long term test and qualification of Li-Ion batteries.

WireFlow’s CEO, Johan Sandquist, held a keynote on one of our battery cycle test-rigs using National Instruments’ Compact-RIO platform and our own WF 3169 – Battery Stack Monitoring C Series module. The keynote was recorded during NI Automotive Forum 2019 in Göteborg, and held again at NIDays Europe 2019 in Munich.

WireFlow Battery Test & Measurement Solutions

WireFlow Test Framework header
WF Battery Test & Measurement

Cell Characterization

WireFlow’s solution for cell characterization is a highly modular and scalable Cell Tester which is designed as a framework that makes it easy to integrate it with instrumentation and software from multiple suppliers.

The Cell Tester is used for long-term testing of individual cells by executing customized charging and discharging sequences while taking measurements of voltage, current and temperature. It can also be combined with more advanced measurements like Hybrid Pulse Power, Electrochemical Impedance Spectroscopy etc.

WF Battery Test & Measurement Systems

Rapid BMS prototyping

Use the NI LabVIEW development system with compactRIO hardware to quickly design and develop a working Battery Management System, BMS.

By using the WireFlow battery stack monitoring modules you connect the compactRIO directly to the cells in the battery stack to monitor the voltage of each cell and control the discharge function for each cell to create cell balancing. There also exist many other modules for temperature sensors, current measurement, CAN communication etc. This is the perfect platform for developing a BMS for low volume applications, or for experimental setups.

WireFlow Test Framework building blocks header
WireFlow Test Framework header
WF Battery Test & Measurement

Pack verification

A battery pack consists of many battery cells configured for the desired voltage and capacity. The pack also includes a Battery management system, BMS. The design of these battery packs needs to be verified. Both the long-term capacity of the pack and the software functionality. The design engineers typically wants do many types of “what if tests”.

WireFlow design and manufacture these types of Pack verification rigs which are used for long time charge and discharge testing as well as many types of “what if testing”. WireFlow adapts the test rig to the voltage levels, capacity, CAN communication etc used by your battery pack.

WF Battery Test & Measurement Systems

Production Testing and Charging

Each manufactured battery pack needs to be programmed, configured, charged and tested before being shipped.

 WireFlow’s systems for production testing are robust and user friendly. They are built for the factory floor. The system shares information with the factory IT systems to make sure each battery is programmed and configured with the correct data. The batteries are charged to the specified SOC used for batteries at delivery and a basic function testing is performed.

WireFlow Test Framework building blocks header

Building blocks

The building blocks is a collection of components that are used within the Battery Test & Measurement Solutions

Click on them for more information

VALAND Battery Test & Measurement Framework

More information coming soon for the building blocks below

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Peripheral Software

Support Software

Label Printers

Hand Scanner

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Read the case studies below about some of the projects that we have carried out in the past

CASE | WireFlow Integration Services

Charge and Test System for Li-Ion Battery

Toyota Material Handling Manufacturing Sweden is one of the world’s largest factories for manufacturing of warehouse trucks. Toyota was in progress of introducing a new generation of Li-Ion batteries for their trucks and needed new charging and test stations for the battery manufacturing line.

CASE | WireFlow Integration Services

Battery Cycle Test Rigs, A Solution for long term test and qualification of Li-Ion batteries

Micropower builds modular Li-Ion battery packs and chargers for a wide range of applications such as automotive, utility vehicles and mobile storage solutions.

They needed a safe, reliable and flexible test solution that could cycle battery packs unattended for many months, while logging large amounts of measurement data from the DUT (device under test).

Want to see more
case studies?

Take a look at other case studies by clicking here.

Solution and Application notes

Downloads

Measuring individual cells in high voltage battery packs

AB0005-116 AN19 Measuring individual cells in high voltage battery packs.pdf

Battery Stack Demo

AB0005-084 AN8 Battery Stack Demo.pdf

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