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Vibration testing of batteries – Battery testing
Vibration testing of batteries is carried out to ensure that batteries can withstand the vibrations they may be subjected to in different applications. This is important to guarantee the safety and functionality of the battery. In some cases, it is necessary to fulfil national and international requirements.
What is vibration testing of batteries?
A vibration test of batteries is a test in which batteries are subjected to various levels of vibration. This is done to examine whether the battery can withstand vibrations associated with its intended use. The test involves investigating and detecting resonances or testing reliability. It is also possible to investigate battery endurance through accelerated vibration testing.
Why should I test batteries for vibration?
Vibration testing of batteries is essential to ensure the battery's design and to secure that the battery fulfils its specific requirements and regulations. Through vibration testing, the design's robustness and reliability are evaluated. This way, input is obtained early in the development and can give input to adjustments and security measures early in the process. This helps avoid technical shortcomings and high costs.
What is a battery vibration test?
A battery vibration test involves mounting the battery as a component, using a suitable fixture on equipment, where the equipment can generate different types of vibration profiles and mechanical shocks. A typical fixture for our equipment is an aluminium plate with the hole pattern M10 and pitch 70x70 mm. After mounting the battery, the equipment is programmed for a specific vibration profile or shock.
Which vibration tests are common?
The most common vibration shocks are sinus, random vibration or half-sinus shocks. The duration of the vibrations can vary but are usually carried out from a few hours to several days per direction. The shocks can range from a few per direction to thousands. Usually, the battery is subjected to vibration and shock testing in three different directions, where the battery is tested in one direction at a time.
Vibration testing of batteries at RISE
Since vibration testing of batteries involves a high risk, testing safety must be high. Thus, high safety is integrated into our labs and our work. You can be physically present or participate remotely during vibration testing, depending on the current test specification. In our labs, in addition to the control rooms, there are dedicated workplaces and social areas for those who test with us.
Vibration testing and temperature cycling
Vibration testing can be combined with other environmental tests, such as temperature cycling. Combining environmental loads in this way makes it possible to evaluate multiple parameters and, by this, fulfil specific requirements or standards.
Vibration testing in standards
RISE is an accredited laboratory according to ISO 17025. We are also accredited to several standards under the IEC 60068 series for our methods in environmental resistance, specifically for sine, random vibration and mechanical shock.
We are also accredited to several battery standards, including UNECE R100, which specifies the requirements for rechargeable battery systems in motor vehicles. Vibration testing is also included in UN38.3 for the transport of dangerous goods, which is a requirement that must be met for the transport of lithium-ion batteries.
The results of the vibration test
After conducting vibration tests with us, you will receive the test results in a written report.
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