It appears what you're looking for is in B(5)(c)(ii).

> (c) From 20 June 2025, manufacturers, importers or authorised representatives shall ensure that the process for battery replacement:

> (i) meets the following criteria:

> — fasteners shall be resupplied or reusable;

> — the process for replacement shall be feasible with no tool, a tool or set of tools that is supplied with the product or spare part, or basic tools;

> — the process for replacement shall be able to be carried out in a use environment;

> — the process for replacement shall be able to be carried out by a layman.

> (ii) or, as an alternative to point (i), ensure that

> — the process for battery replacement meets the criteria set out in (a);

> — after 500 full charge cycles the battery must have in a fully charged state, a remaining capacity of at least 83 % of the rated capacity;

> — the battery endurance in cycles achieves a minimum of 1 000 full charge cycles, and after 1 000 full charge cycles the battery must, in addition, have in a fully charged state, a remaining capacity of at least 80 % of the rated capacity;

> — the device is at least dust tight and protected against immersion in water up to one meter depth for a minimum of 30 minutes.