EN 3-11:2026

Portable fire extinguishers - Part 11: Additional requirements to EN 3-7 for the test method and marking of extinguishers suitable to be used on small rechargeable lithium-ion battery fires EN 3-11:2026

Publication date:   Aug 17, 2026

Scope

This document specifies performance requirements for portable fire extinguishers in addition to the requirements of EN 3-7, to demonstrate their suitability for extinguishing fires in rechargeable batteries based on lithium-ion chemistry with a maximum capacity of 600 Wh, as used for example:
- portable electronic equipment (smartphones, laptops);
- power tools and domestic appliances;
- portable medical equipment;
- toys and radio-controlled objects;
- drones;
- bicycles.
This document contains general requirements and procedures for extinguishing tests. The size of the extinguishing tests is comparable to the battery capacities in the above mentioned applications where the battery is accessible. This document doesn’t apply to larger fire