To ensure the safety of end-users, this Regulation should provide for a limited derogation for portable batteries from the removability and replaceability requirements set for portable batteries concerning appliances that incorporate portable batteries and that are specifically designed to be used, for the majority of the active service of the appliance, in an environment that is regularly subject tosplashing water, water streams or water immersion and that are intended to bewashable or rinseable. This derogation should only apply when it is not possible,by way of redesign of the appliance, to ensure the safety of the end-user and thesafe continued use of the appliance after the end-user has correctly followed theinstructions to remove and replace the battery.