EV Battery Production Quality, Safety, and Reliability

The electric vehicle (EV) industry is growing rapidly around the world, driven by a variety of factors, including government regulations, consumer demand for environmentally friendly transportation, and technological advancements that have made EVs more practical and affordable.

The whole industry chain consists of semi- and semi/fully-automated production lines that require smarter tools to keep pace. Long-term quality, product reliability, and worker and facility safety are also top priorities, particularly in battery production inspection.

Flir offers the total solution for improving EV battery quality, reliability, and safety through its line of thermal imaging cameras, automation sensors, and Test & Measurement products, specifically designed for battery thermal inspection.

Get the Flir Electric Vehicle Battery Brochure

Download our comprehensive look at applications and solutions across the EV battery industry.

How Flir Supports Quality & Safety Throughout EV Battery Assembly

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Identify potentially poor connections and underperforming cells and modules

Battery Pack Quality and Safety Assurance

Interconnections between cells, packs, and modules are welded and mechanically assembled connections; poor or loose connections will heat disproportionally. The interconnections between cells, packs, and modules are critical, as poor or loose connections can lead to uneven heating. Our thermal cameras provide real-time, non-invasive thermal imaging data at every step, helping manufacturers identify defects, optimize thermal management, and ensure EV batteries meet quality and safety standards at every production stage.

Predictive maintenance fault components

BMS Testing Support

Thermal cameras play a vital role in predictive maintenance by providing critical temperature data that empowers the battery management system (BMS) to make real-time decisions to maintain safe and efficient battery operation. This proactive approach to thermal management and fault detection helps maximize the performance, longevity, and safety of EV batteries.

Detect potentially dangerous conditions

Thermal Runaway Monitoring

During the assembly process, manufacturers partially or fully charge battery cells and modules, which can lead to rising temperatures. Unchecked thermal runaways pose a high risk; Flir's thermal imaging technology can identify dangerous situations and conditions. When a thermal camera identifies an abnormally hot cell, the BMS can quickly isolate or cool the affected cell to prevent further escalation.

Continuous Automated Thermal Condition Monitoring

Flir automated thermal cameras are a flexible, configurable solution to meet the needs of EV battery manufacturing. Our fixed-mount models can identify a higher number of potentially loose connections, significantly reducing end-of-line failures in battery systems. By integrating automated thermal cameras into production lines, manufacturers gain several advantages:

  • Both visual and thermal monitoring
  • Up to 640 × 480 (307,200 pixels) resolution for detailed thermal images
  • Custom-set alerts that notify you when a temperature threshold is crossed, ensuring no defects go unnoticed
  • Compliance with industry-standard industrial protocols and video management systems including HMI, SCADA, and optional ONVIF S compatibility, ensuring easy integration

Flir Products for the EV Battery Industry


At Flir, we value our customers’ needs, which allows us to provide tailored solutions that empower them to meet their challenges with full force. Our passion for the advancement of technology in battery thermal testing signifies the trust, safety, and reliability that we have built over the years, creating together a sustainable future.


FLIR A50/A70 Image Streaming

Compact GigE Cameras

FLIR A50/A70 Image Streaming

Fixed-Mount Thermal Camera

FLIR A50/A70 Smart Sensor

Smart Camera Solutions

FLIR A50/A70 Smart Sensor

Fixed-Mount Thermal Camera

FLIR Axxx-Series Image Streaming

High Performance GigE Cameras

FLIR Axxx-Series Image Streaming

Fixed-Mount Thermal Camera

FLIR Axxx-Series Smart Sensor

Smart Camera Solutions

FLIR Axxx-Series Smart Sensor

Fixed-Mount Thermal Camera

FLIR T865

T-Series

FLIR T865

High-Performance Handheld Infrared Camera

FLIR E8 Pro

Ex Pro Series

FLIR E8 Pro

Pro-Series Infrared Camera with Ignite™ Cloud

FLIR T540

T-Series

FLIR T540

Professional Thermal Camera

FLIR A6700 MWIR

High Performance A-Series Cameras

FLIR A6700 MWIR

Science-Grade MWIR InSb Camera

FLIR A6750 SLS

High Performance A-Series Cameras

FLIR A6750 SLS

Longwave Infrared Thermal Camera

Infrared Thermography Training Resources

Equip your staff with battery inspection skills through infrared thermography training courses offered by the Infrared Training Center. We offer both online and onsite training courses for large groups and organizations in the EV battery manufacturing industry looking to improve their thermal inspection skills.

Intelligence in Action with Flir's Software Connectivity

Get in touch with us to discover the best software for your cameras.

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