This document describes main technical specifications to be considered for ensuring interoperability and compatibility of swappable battery systems for small batteries, at battery-system level, vehicle level and charging-station level.
NOTE   For specifications at battery system level and charging station level, see also EN IEC 62840 1, IEC 62840 3 and EN 50604 1.
The document is applicable to L-category vehicles, although some vehicles included in that category might not fit in terms of power or energy rating.
This document focuses on the following aspects that are crucial towards interoperability and compatibility:
—   electrical specifications;
—   mechanical specifications;
—   connector specifications;
—   BMS and communication protocols;
—   safety and security specifications (including cybersecurity).
The document specifies requirements for the following:
—   applications with the following numbers and configuration of battery systems;
—   single (1S1P);
—   maximum 2 in series – 1 in parallel (2S1P);
—   maximum 1 in series – 6 in parallel (1S6P);
—   maximum 2 in series – 2 in parallel (2S2P).
—   battery-vehicle interface;
—   battery-charging station interface;
—   charging station.
Interoperability among charging station and operators is not covered in this document.

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Frequently Asked Questions

WG 19 is a Technical Committee within the European Committee for Standardization (CEN). It is named "Swappable battery system for L-category vehicles". This committee has published 88 standards.

WG 19 develops CEN standards in the area of Information technology. Currently, there are 88 published standards from this technical committee.

The European Committee for Standardization (CEN) is a public standards organization that brings together the national standardization bodies of 34 European countries. CEN provides a platform for developing European Standards (ENs) and other technical documents in relation to various products, materials, services, and processes, supporting the European Single Market.

A Technical Committee (TC) in CEN is a group of experts responsible for developing international standards in a specific technical area. TCs are composed of national member body delegates and work through consensus to create standards that meet global industry needs. Each TC may have subcommittees (SCs) and working groups (WGs) for specialized topics.