VDE Testlab Offenbach
2020-02-26 TOP

Battery and energy storage testing

VDE offers extensive battery and energy storage testing services (electrical, mechanical, environmental, abuse) in state-of-the-art laboratories with over 3.000 sqm test area.

The VDE Prime Labs' network is a one-stop shop offering comprehensive testing services and extensive technical expertise for the battery and energy storage industry, through testing laboratories around the world.

  • State-of-the-art testing laboratories with over 3,000 sqm test area, accredited according to ISO/IEC 17025
  • Operating worldwide (Germany, Singapore, USA and China) - guaranteeing customers fast local market access
  • One stop for extensive testing possibilities:
    - Performance and efficiency
    - Lifetime
    - Safety testing (electrical, thermal, mechanical)
  • Certification based on national and international standards by the VDE certification body  
  • Technical engineers are high-level experts providing combined decades of battery experience, high-quality work and competence
  • Value-adding guidance for customized testing, technology scouting and research and development / product development to support companies that are manufacturing batteries / energy storage and those utilizing batteries / energy storage in their products or systems / power plants.

Electrical testing

Testing of batteries, modules and battery assemblies, consisting of multiple modules, intended for use in electric vehicles and stationary ESS

  • Performance
  • Life-cycle/Ageing
  • External short circuit
  • Internal short circuit
  • Overcharge
  • Overdischarge


  • Voltages from 0 V to 1 kV DC
  • Currents up to 1.440 A
  • Power rates up to 500 kW 
Battery test lab 1

Mechanical testing

  • Vibration
  • Shock: half sine, saw tooth, rectangle
  • Drop
  • Crush


  • Shaker 120kN
  • 1.2 m x 1.2 m base
  • 1.000 kg max. load
  • With climate chamber 

Environmental testing

  • Altitude simulation (2.4 m3)
  • Temperature shock and cycling
  • Corrosion
  • Sun simulation
  • Ingress protection
  • EMC
  • REACh/RoHS


  • More than 30 climate chambers
  • Up to 1200L
  • -70 °C to +180 °C
  • 25 K/min 
Battery abuse testing

Abuse testing

  • Crush
  • Nail penetration
  • Short circuits
  • Overcharge
  • Overdischarge
  • Overheat / Thermal abuse
  • Fire Propagation (coming soon)
  • Battery forensics


  • Four abuse chambers
  • Innovative fire fighting Equipment
  • Venturion gas washer (100 m3/min) 

Tests and certifications

VDE Renewables offers the following tests and certifications:

BESS tests and certifications: UN 38.3, IEC, VDE Mark

UN 38.3, IEC 62133, IEC 62841, DIN/EN 62619, UN ECE R100
UN ECE R10, VDE Mark, CB certificate, BVES Sicherheitsleitfaden

| VDE Renewables GmbH