October 27–29, 2026
Suburban Collection Showplace, Novi, Michigan, United States

Exhibitor Products

HERCULES - high performance battery testing

4a engineering GmbH Hall: TXNA Stand: 11048
The novel Hercules TR Chamber leverages your battery abuse testing to the next
stage. Designed to provide precise, reliable, and safe evaluation of battery performance
under extreme conditions, it enables comprehensive testing of lithium-
ion cells, stacks, and modules, ensuring they meet the highest safety standards.
This cutting-edge chamber is essential for analyzing critical scenarios like
thermal runaway, helping manufacturers optimize battery safety and performance.
The varying operation modes of the chamber allows you to simulate real-world conditions
with unparalleled precision. From continuous fresh air supply to inert environments
with controlled oxygen levels, this chamber can replicate the exact conditions
under which batteries might fail, providing invaluable insights into potential risks.
Designed for both simplicity and effi ciency, the Hercules TR Chamber offers easy
operation with its intuitive controls. Key features include adjustable overpressure
valves, fl exible sensor ports and compatibility with a wide range of measurement
technology, making it the perfect tool for complex testing setups. With its robust
construction, the chamber is built to endure high pressure (up to 10 bar)
and extreme temperatures, providing consistent and reliable results every time.
Experience unparalleled innovation with our chamber, designed to replicate real-world
failure scenarios and drive advancements in battery technology. Empower your team to
lead with confi dence and stay ahead in the dynamic energy storage industry.

Safety features
The Hercules TR Chamber is equipped with advanced safety systems
to ensure secure operation:
 pressure monitoring & safety circuit: monitors up to 10 bar with automatic
intervention.
 overpressure valves: automatically open at 10 bar and reseal when
pressure drops.
 SPS safety circuits: prevent operation during setup or loading.
 inertization inlets: create oxygen-free environments for safe testing.
 controlled pressure release: safety valves discharge pressure in case
of emergencies.
 extraction hood & bypass: contamination-free gas extraction in regular
operation.
 maintainable spark protection system: to prevent of oxy-hydrogen
explosions.
 fail-safe pressure venting: ensures safe access by releasing pressure
and venting the chamber in case of a system or power failure.

ARC-like test possibility and gas chromatography analysis
Whether testing individual battery cells, multi-cell stacks, or entire battery modules, the
TR Chamber is equipped to handle a broad spectrum of testing requirements. It supports
ARC-like tests, simulating extreme conditions that are crucial for assessing battery safety.
With the capability to heat the entire chamber volume up to 80 °C for these tests, it replicates
critical conditions that batteries may face during thermal events.
Take safety and innovation to the next level with our advanced chamber. Featuring an
optimal interface for gas chromatography (GC) analysis, it delivers precise insights
into the chemical composition of vent gases during testing. Equipped with dual tangential
centrifugal fans for optimal gas mixing, the chamber ensures accurate detection
of hazardous compounds. This cutting-edge technology enhances safety protocols
while offering a comprehensive understanding of risks associated with thermal
runaway and other failure modes, empowering your team to innovate confi dently.
The chamber’s capability to support these analytical methods provides an extra layer of
security, ensuring that your testing adheres to the highest safety and environmental standards
while providing comprehensive evaluation for today’s advanced battery technologies.

operation and handling
The Hercules TR Chamber is designed for ease of use and optimal functionality, ensuring
smooth operation and effortless handling during testing
 heavy-duty loading systems: durable drawer for easy loading and unloading.
 fully opening door: easy access to the chamber interior and all measurement ports.
 measurement ports: temperature-protected & integrated for effi cient sensor placement.
 multiple fl anges: fl exible feed-through solutions. Cooling systems, GCA connections ...
 inspection window: enables external real-time HD video recording of tests.
 effi cient closure mechanism: quick and pressure-tight sealing for reliable operation.
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