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The acquisition strengthens Honeywell’s leading firelife safety portfolio in Building Automation Business.
Charlotte, N.C. – July 1, 2025 – Honeywell has announced it has acquired Li-ion Tamer Business, the leading off-gas detection solution for lithium-ion (LI-ION) batteries to detect thermal runaway events, from Nexceris. The acquisition strengthens Honeywell’s portfolio of best-in-class fire life safety technologies within the building’s automation segment, emerging from a partnership with Nexceris over the past five years, strategically dealing with the safety of lithium-ion battery systems. The transaction is expected to be added to Honeywell’s finances soon.
With demand for Li-Ion batteries expected to increase by more than 30% per year between 2030 and 2030, one battery safety solution is becoming increasingly important for sectors ranging from renewable energy to cloud computing. With safe monitoring and early detection, even if these solutions occur, the entire system can be lost if a fire occurs in the energy storage system.
By using early warning technology to detect battery off-gas before a normal thermal runaway, Li-ion Tamer provides facilities with critical time to intervene before a battery fire occurs. With detection technology that provides warnings up to 30 minutes in advance, Li-ion Tamer is trusted by leading battery OEMs around the world.
“As the use of lithium-ion batteries grows rapidly across data centers, EV infrastructure and grid-scale energy storage, the risk of fires is increasing in parallel.” “Li-Ion Tamer’s early warning technology has been innovative for our customers and partners for the past five years. With the acquisition of this suite of products, Honeywell is positioned as a leader in early gas detection and battery fire prevention.
The Li-ion Tamer product portfolio, which includes over 30 global patents, is integrated into Honeywell’s Building Automation Business, enabling Honeywell to offer a comprehensive suite of fire detection products that complement existing advanced smoke detection technologies and life safety solutions. This now comes with VESDA, the leading solution to detect previous signs of a potential fire, and Life Safety Services hosted on the Honeywell Forge IoT platform, which uses data to provide the connectivity and intelligence needed for safe, compliant, and more efficient fire system management.
The acquisition follows Honeywell’s launch of a planned spinoff of aerospace technology and Solstice Advanced Materials Business, resulting in three publicly listed industry leaders with different strategies and growth drivers. Since December 2023, Honeywell has announced many strategic actions to promote organic growth and simplify its portfolio. This includes $13.5 billion increase acquisitions including Carrier Global, CAES Systems, Aviation Products, Sundyne and Access Solutions Business from the LNG Business from Johnson Matthey’s Catalst Technologies Business. Honeywell also completed sales of its personal protective equipment business to protective industrial products last month.
About Honeywell
Honeywell is an integrated operating company serving a wide range of industries and regions around the world. Our business is in line with three powerful megatrends (futures of automation, aviation and energy transition) supported by the Honeywell Accelerator operating system and the Honeywell Forge IoT platform. As a trusted partner, we help organizations solve the world’s toughest and most complex challenges, deliver actionable solutions and innovation through the business segments of aerospace technology, industrial automation, construction automation and energy, and sustainability solutions, helping the world to be smarter, safer and more sustainable.
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