Advanced Thermal Runaway Packaging For Lithium Batteries

Lithium batteries are used in many applications and have become increasingly popular due to their high energy density and long lifespan. However, it’s important to note that lithium batteries are generally safe when used properly, but they carry some risks, including the potential for thermal runaway.

Thermal runaway is a phenomenon that can occur when a lithium battery experiences an uncontrolled increase in temperature, leading to a self-sustaining and uncontrollable reaction. This can result in a rapid release of heat, gas, and sometimes even flames. It’s a serious concern because traditional fire suppression methods may not effectively extinguish a lithium battery fire.

Given the potential hazards associated with lithium batteries, it is crucial to have safe and certified packaging for transportation, storage, and handling. BUNCKER has designed a solution to mitigate the risks and provide protection in case of thermal runaway or other incidents. Its fire resistance, insulation, filtering material, and mechanisms to contain and vent gases in a controlled manner aim to contain thermal runaway incidents. By offering protection for both stable and unstable lithium batteries, BUNCKER provides a versatile solution.

  • UN-certified packaging P911/ LP906
  • UN 50A/X/YR
  • All (status of) lithium batteries
  • User convenience
  • Unique pallet-based packaging design
  • Transport, storage, and handling

BUNCKER User Convenience


Forklift all sides and
lifting possibility


Less spacing, storage,
and transport

Easy to Use

Palletfoot standard, bell jar design, and
one-man handling


Non-combustible with no need
for filling material

Easy Closure

Fixation of batteries with straps and centering points on the palletfoot

Safe Closure

Easy and quick way
of closing

BUNCKER Pro Line HEAVY Assortment

BUNCKER Pro Line Heavy Assortment S M L XL XXL

Outer dimensions (in)

47 1/4 x 39 1/4 x 45 1/4

59 1/20 x 47 1/4 x 49 1/5

78 3/4 x 47 1/4 x 37 2/5

94 1/2 x 47 1/4 x 37 2/5

110 1/4 x 78 3/4 x 37 2/5

Inner dimensions (in)

34 3/5 x 28 3/10 x 29 1/2

48 x 34 3/5 x 33 9/20

67 7/10 x 34 3/5 x 21 3/5

83 9/20 x 34 3/5 x 21 3/5

97 3/5 x 67 3/4 x 21 1/2

Empty weight per pallot box (lbs)






Number of closures






Max. capacity net weight of batteries (lbs)






Max. capacity of lithium batteries (kWh)






UN Certification

The UN certification is an important aspect of BUNCKER, as it indicates that the packaging meets the safety standards set by the United Nations for the transport of Dangerous Goods. This certification ensures that the product has passed a worst-case scenario fire testing, leak testing, drop testing, and evaluation to ensure its effectiveness in containing and preventing hazards associated with lithium batteries. Our testing shows that BUNCKER contains a thermal runaway event and traps harmful HF gases.

Be aware that when there is a need for packaging for defective or damaged batteries, a UN approval based on drop & stacking tests is not adequate nor sufficient. To ship in accordance with P911/LP906, an additional certification is needed, with an approval that confirms that the packaging has:

  • UN 50A/X/YR
  • Withstand a worst-case scenario fire test
  • No leakage
  • Gas management system
  • Heat resistance

All based on a mentioned maximum tested kWh’s of lithium batteries.

Therefore, always request the UN test report and additional P911/LP906 certification that confirms the approved method of the packing instruction, how to secure the batteries against displacement, how to make the box fire resistant, and the limits of usage in Kgs and kWh for Road (ADR), Rail (RID) and Sea (IMDG) transport.

A copy of these certificates should be attached to the packaging during transport.

BUNCKER is a Sustainable Solution

BUNCKER packaging is known for its green and sustainable characteristics, as well as its
long life cycle, low total cost of ownership, and robustness.


Green & Sustainable

BUNCKER packaging is designed with a focus on environmental friendliness. BUNCKER packaging is designed to be easily
recyclable, reducing waste and promoting a circular economy.


Long Life Cycle

BUNCKER packaging is built to last. It is designed and manufactured with durable materials and construction techniques, ensuring that it can withstand the rigors of transportation, handling, and storage. BUNCKER packaging's long life cycle helps minimize the need for frequent replacement and reduces waste generation.


Low Total Cost of Ownership

BUNCKER packaging offers cost advantages over its lifespan. While the initial investment may be higher compared to less durable alternatives, the long-lasting nature of BUNCKER packaging means that it requires less frequent replacement. BUNCKER can be operated by 1 person and no inner packaging is needed. This reduces the overall costs associated with packaging procurement, storage, transportation, handling, waste management, and clean-up costs.



BUNCKER packaging is engineered to be robust and resistant to damage. It is designed to protect the contents effectively during transportation and storage, reducing the risk of product damage or spoilage. The robustness of BUNCKER packaging contributes to its long-life cycle and overall cost savings.


Environmental Impact

In a fire emergency, it’s important to prioritize the safety of human lives and property. While water is commonly used as a firefighting tool due to its availability and effectiveness in extinguishing fires, BUNCKER is an alternative firefighting method that can minimize the impact on the environment by not only suppressing the fire but also providing protection from harmful gases.

By combining these attributes, BUNCKER packaging provides an environmentally conscious solution that meets the needs of businesses while minimizing the ecological impact.

Ready to learn more about Advanced Thermal Runaway Packaging For Lithium Batteries?