
ACORA – Active Cooling Rack – provides a more efficient way of temperature conditioning cells in a test environment compared to conventional climate/temperature chambers. With ACORA, cells are placed in water-cooled cold plates to achieve the required temperature conditions faster and more accurately. By integrating a robotic solution, ACORA can be operated fully automatically. In addition, it offers the possibility of testing over the entire temperature range under full load conditions.
OEMs, battery, and cell suppliers must continuously develop and test new battery cells for the evolving automotive market. For battery electric vehicles mileage range is key, making the capacity of battery cells and packs a crucial factor. Besides capacity, power and life cycle analysis are central parameters in battery development. With cell testing, there are simple units under test (UUTs) with a high demand on testing flexibility in process and methodology – compared to battery packs which need a different test system.

High Test Requirement
New chemistries/ material pairings need to be tested in the quest for greater range and lifetime.
High Cooling Cost
Due to the need of energy for cooling in different temperature regions, the energy costs increase.
Disadvantages of Temperature Testing
Long stabilization times during cooling and heating up.
Different UUT Requirements
It must be possible to test different cell types (prismatic, pouch, cylindric) in different sizes.
General Cost Pressure
The need to do as much as possible in less and less time leads to time and cost pressures.
Specifications
ACORA as solution acts as the missing link between cell R&D and production testing. R&D testing equipment with AVL’s high current cell tester offers high charging and discharging currents for cell validation, which can now be utilized in a production testing environment. The water-cooling approach adds a very accurate, high dynamic temperature control. AVL designs its safety systems based on a huge data base of different cell types. This enables us to scale safety measures along with customer needs in regard to Hazard Levels (HL), while keeping the overall safety in check.
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Process Efficiency
Save time due to fully automated testing.
Optimal Facility Use
Smaller footprint compared to conventional test systems.
Superior Testing
Accelerated conditioning of the unit under test (UUT) up to 60%.
Highest Accuracy
High temperature accuracy of <1K.
Sustainability
High energy saving potential due to central cooling.
AVL CELL TESTER™
Our AVL CELL TESTER™ 600A is recommended as the standard cycler. It is best suited for the ACORA system as it ideally complements the main advantages of ACORA, liquid cooling and robotics. The CT600 offers high current accuracy and best-in-class dynamics.
Lab Management Software Solutions
ACORA offers maximum efficiency in large test laboratories. Our AVL Lab Management Software Solution is the ideal complement. This is used for data and process optimisation to ensure the most efficient use of the test laboratory.

ACORA is a groundbreaking advancement of cell testing systems as it enables fully automated testing and offers a glimpse into test factories of the future. For me personally, the use of liquid-based cooling is one of the most interesting approaches. It takes cell testing to the next level.”
– Dominik Strasser, System Line Manager, AVL List GmbH
AVL E-Mobility Testing Solutions – Brochure
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AVL Battery Testing Solutions – Brochure
Learn more about our holistic battery testing portfolio and solutions.
AVL Battery Cell TS™ ACORA – Solution Sheet
The battery cell test system with direct cooling technology.
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