EMC testing for batteries, modules and cells
Ensure the electromagnetic compatibility of your batteries and avoid critical interference
The development of lithium-ion batteries and their management systems (BMS) is accompanied by strict electromagnetic compatibility (EMC) requirements.The Emitech Group offers comprehensive EMC testing for batteries, modules or packs, in line with regulatory requirements (ECE R10) and manufacturers' standards applicable in the transport sector.
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EMC testing is a common requirement for all equipment placed on the market in Europe and around the world. For batteries used in consumer products, industrial applications, etc., EMC requirements are verified during tests on the equipment incorporating the battery as part of procedures such as CE marking for Europe or equivalent in other regions of the world.
Why EMC tests on batteries?
Batteries, particularly packs incorporating a BMS, converters or communication interfaces (CAN, LIN, Ethernet), can :
- Emit electromagnetic interference that is harmful to other equipment (radio, ECU, sensors),
- Be sensitive to external disturbances, with serious consequences: malfunctions, power cuts, measurement errors, thermal runaway.
- Check compliance with international standards and customer specifications,
- Detect EMC design weaknesses (wiring, shielding, filtering, etc.),
- Ensure cohabitation with sensitive ECUs (ADAS, converters, RF equipment),
- Validate functional robustness in severe electromagnetic environments.
What are the applications?
Battery packs for electric and hybrid vehicles
On-board modules for railways
On-board modules for aeronautics
Stationary batteries for critical infrastructures and medical equipment
Electromagnetic compatibility (EMC) testing: Emissions and immunity
Electromagnetic emissions
- Conducted emissions: from 150 kHz to 108 MHz (on power and signal lines),
- Radiated emissions: from 30 MHz to 1 GHz (or even up to 6 GHz depending on the standard),
- Analysis during representative phases: charging, discharging, standby, wake-up, etc.
Electromagnetic immunity
- Radiated immunity (ISO 11452-2): exposure to a modulated electromagnetic field (80 MHz to 1 GHz),
- Conducted immunity (BCI, ISO 11452-4): injection of interference on cables,
- Electrical transients ISO 7637-2/3, ESD pulses (electrostatic discharges up to ±15 kV),
- Functional tests under disturbances: BMS monitoring, relays, DC/DC converters, etc.
Charge and discharge tests
- Voltage, current, temperature, state of charge (SoC), CAN communication monitoring,
- Fault detection: reset, power failure, measurement error, loss of communication.
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What standards and benchmarks are covered?
- ECE R10 (Rev.6): EMC approval for vehicles and their subsystems,
- ISO 11452 / ISO 7637 / CISPR 25 / ISO 10605: automotive EMC,
- Customer-specific EMC (Renault, Stellantis, VW, Airbus, etc.).
Our dedicated technical resources within the Emitech Group
- 3 m and 10 m anechoic chambers, GTEM cells,
- ESD, BCI, ISO transient and direct injection test facilities,
- HV cycling benches (up to 1000 V / 1000 A) for real-life testing,
- Synchronised monitoring: voltage, current, temperature, CAN frame, BMS errors.
Why choose the Emitech Group for your EMC tests?
- European leader in EMC testing
- Resources tailored to high-power batteries,
- Full simulation of functional scenarios during testing,
- Support through to ECE R10 approval.
Needs
Discover a selection of additional resources that explore topics related to this page including regulatory contexts, technical articles, and specific areas of expertise. These materials provide further insight to help you better understand the key challenges and available solutions.
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Are you developing a battery subject to strict EMC requirements?Contact the Emitech Group to carry out your electromagnetic compatibility tests under representative conditions and in accordance with current standards.
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