The EU battery regulation’s removability and replaceability requirements apply from 18 February 2027. For products with portable batteries sold in the EU, the end user must be able to remove and replace the cell using commonly available tools, without specialist equipment and without destroying the product.
The Commission has added partial derogations for a set of cases where user access would defeat the purpose of the product: certain sealed or miniaturised wearables, food-contact probes, equipment covered by the explosive-atmospheres directive, on-body drug delivery systems, roof-mounted telematics units on agricultural and construction machinery, and a temporary exemption for some rechargeable toys. These are narrow, conditional, and mostly require that an independent professional can still do the replacement. Designing towards a derogation is a weaker position than designing for replaceability.
Treated as an engineering brief rather than a compliance problem, the requirement is mechanical. It means fasteners instead of adhesive on the cell, a connector instead of spot-welded tabs, a service seam that can be reopened without breaking the water-ingress gasket, and a cell that is still orderable in five years, which in practice means a standard format rather than a custom pack.
The parts that catch people are the ones adjacent to the battery: a flexible circuit routed across the cell, a shield can soldered over the compartment, a sealed enclosure whose rating depends on an adhesive bond. Those decisions are made early and are expensive to undo, which is why this is worth settling now rather than in the winter of 2027.
Source: Regulation (EU) 2023/1542