When a lithium-ion pack is damaged, defective or recalled, it instantly becomes classified as a dangerous good. Under European ADR regulations the default rule has been to place each such battery in its own container, a practice that inflates logistics costs for workshops, fleet managers and recycling firms. Recent collaboration between the American battery-life manager Renewance and the Austrian packaging specialist Obexion AG has produced a reusable box that can safely hold several of these batteries together, while still meeting the strict ADR requirements.
Why damaged EV batteries need special handling
The core hazard of a compromised battery is its potential to enter thermal runaway a self-sustaining heat reaction that can generate gas, fire or even an explosion. Because this risk can materialise without warning, the ADR assigns damaged packs to either UN 3480 (intact lithium-ion) or UN 3481 (damaged/defective). The accompanying packing instructions – P908 for packs that are unlikely to ignite rapidly, and P911 for those that could – dictate the strength, testing level and labelling of the container. Failure to classify the pack correctly shifts the responsibility onto the shipper, who could face fines or, worse, an uncontrolled incident during transit.
Obexion’s multi-battery container: design and certification
Obexion’s new unit is a stackable, reusable crate built to satisfy the highest test tier (group I) when the contents require P911, and group II for P908 cases. Its interior is lined with fire-retardant panels, and the lid incorporates a pressure-release valve to vent gases safely. Because the box is certified for both packing instructions, a logistics operator can load a mix of batteries that have been evaluated as either low-risk or high-risk, provided the appropriate documentation accompanies the shipment. Sterling Picton, head of solution development at Renewance, describes the product as “a purpose-engineered container that lets us consolidate volume while keeping the risk footprint flat.” The design also supports easy stacking on pallets, cutting the number of trips required to move the same quantity of batteries.
Impact on the end-of-life battery chain
For companies that collect, refurbish or recycle EV batteries, the new crate translates directly into lower transportation expenses and faster turnaround. Where previously a single damaged pack meant a whole truckload to move a handful of units, the reusable box can accommodate up to six to eight batteries depending on size, dramatically reducing the number of ADR-documented consignments. The regulatory paperwork remains unchanged – each shipment still needs a transport document that cites special provision 376 and the appropriate UN code – but the physical handling steps are streamlined. Moreover, because the container is reusable, the upfront investment is amortised over many trips, further improving the economic case for large-scale battery recovery operations.
Practical steps for adopters
Operators looking to integrate the Obexion container must first assess each battery’s condition against the two packaging tiers. If a pack shows signs of swelling, external damage or any indication of possible rapid disintegration, it must be classified under P911 and placed in the high-level version of the crate. Batteries that are merely cosmetically flawed, but have no observable thermal-runaway risk, can be packed according to P908. In both scenarios the shipper is responsible for completing the ADR declaration, indicating the UN number, packing instruction and the container’s certification number. Once the paperwork is in order, the reusable crates can be loaded onto road, rail or sea vehicles that operate under the ADR, RID or IMDG codes, ensuring a consistent safety envelope across all transport modes.
As electric-vehicle adoption accelerates, the volume of end-of-life packs will rise in parallel. Solutions like the Obexion multi-battery container not only lower costs but also bring the industry a step closer to a truly circular EV ecosystem, where safe, efficient logistics enable more batteries to be refurbished or recycled rather than stranded in costly, single-use shipments.
