It had been in the works for a while, but now it has formally been adopted. From the article:
The regulation provides that by 2027 portable batteries incorporated into appliances should be removable and replaceable by the end-user, leaving sufficient time for operators to adapt the design of their products to this requirement.
GDPR is about much more than just cookies
All of which I can safely assume is effectively unenforceable.
Thankfully no one has to rely on your assumptions.