Battery Regulation

(46) For stationary battery energy storage systems, LMT batteries and electric-vehicle batteries using a battery management system, it should be possible for the end-user or any other third party acting on behalf of that end-user to determine the state of health and expected lifetime of the batteries at any time from the data stored in the battery management system. Read-only access to those data should be provided to the person who purchased the battery or any third party acting on behalf of that person at any time for the purposes of evaluating the residual value of the battery, facilitating the preparation for re-use, preparation for repurposing, repurposing or remanufacturing of the battery or for making the battery available to independent aggregators, as defined in Internal Electricity Market Directive of the European Parliament and of the Council , which operate virtual power plants in electricity grids. Therefore, the data should be up to date. It should be updated at least daily and more frequently where that is required for a specific purpose. Technical specifications that originate from the work of the informal UNECE Working Group on Electric Vehicles and the Environment on data access in electric vehicles should be considered to be a benchmark for the state of health and expected lifetime of electric vehicle batteries. These requirements should apply in addition to Union law on type-approval of vehicles, which is the appropriate legal framework for addressing, inter alia, smart charging functions such as vehicle-to-grid, vehicle-to-load, vehicle-to-vehicle, vehicle-to-powerbank and vehicle-to-building charging.