Battery Pack Swell Tester - Hylec Controls

Battery Pack Swell Tester

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Battery Pack Swell Tester

The swelling behavior of the battery has become an important indicator for evaluating the reliability of the battery.


  • Hold the battery and choose to apply a constant force. As the battery is repeatedly charged and discharged, the battery will expand and the test machine will always maintain the force and obtain the expansion size data

  • After clamping, the position can be selected unchanged, the test machine automatic force and battery expansion force balance, record the expansion force data

  • Select multi-step mode, select force cutoff or displacement cutoff, or select multiple cutoff conditions at the same time, either one will satisfy this step first.

  • Force, deformation and voltage can be recorded, which can form EXCEL tables and graphs, and automatically identify the highest peak.

  • Using variable rate sampling method, long-term continuous test, recording 6 months of data.

Standard parameters




Ambient temperature / high temperature

External dimension(W*D*H)


Pressure range


Highest resolution

0.01% FS

Force value control accuracy

≤±1%FS (condition: when entering steady state after clamping)

Speed range


Displacement stroke


Displacement accuracy


Displacement resolution


Data collection

Up to 6 months of data can be recorded

Voltage test range


Voltage accuracy


Plywood parallel deviation



Risk Disclaimer for Supplying Battery Testing Equipment

Battery testing involves inherent risks and can be hazardous. All testing equipment should only be operated by qualified and trained personnel who understand the risks involved and how to mitigate them. Before operating, it is important to read and understand the manufacturer's instructions and safety guidelines. Failure to do so could result in serious injury or death.

By operating the battery test equipment, you acknowledge that you understand and assume the risks involved in battery testing, including but not limited to: electric shock, moving parts, heat, fire, noise, chemicals, explosion and other potential hazards. You also acknowledge that you are responsible for wearing appropriate safety equipment, such as protective clothing, helmets, goggles, earplugs, and gloves.

You understand that the use of battery test equipment may result in injury, disability, or death, and that you release the manufacturer, seller, and any related parties from any and all liability for any damages or injuries that may occur as a result of operating the equipment.

By operating battery test equipment, you acknowledge that you have read and understand this risk disclaimer and that you assume all risks associated with operating the equipment.

If you have any questions or concerns regarding the operation of the equipment, please consult with a qualified professional before use.

Thank you for your attention to this important safety information.