They also say this:
In the absence of relevant standards and until the publication of the references of the relevant harmonised standards in the Official Journal of the European Union, the transitional testing methods set out in Annex IVa, or other reliable, accurate and reproducible methods, which take into account the generally recognised state-of-the-art methods, shall be used.
So I remain hopeful.
The difference between cells and batteries is that you have to have multiple lithium cells to make a battery.
Edit: this is around 25000 mAh