IEC 62933-5-4
IEC 62933-5-4:2026
Electrical energy storage (ESS) systems - Part 5-4: Safety test methods and procedures for grid integrated EES systems - Lithium ion battery-based systems
IEC 62933-5-4:2026 primarily describes the safety test methods and procedures for grid-connected energy storage systems where a lithium ion battery-based subsystem is used.
This document provides test methods and procedures to validate safety issues specifically related to the use of a lithium-ion battery-based subsystem, primarily based on IEC 62933-5-1, which establishes criteria for ensuring the safe applications and use of electrical energy storage systems of any type or size, and IEC 62933-5-2, which further specifies safety provisions arising from the use of an electrochemical storage subsystems in EES systems. All test methods and procedures are based on the requirements of IEC 62933-5-2 Ed 2.0. This standard includes only the test methods specifically related to lithium ion battery-based BESS and is based on by actual tests.
The scope of this document is limited to some representative actual test method and procedure for lithium-ion battery-based BESS, but does not include all tests method and procedure.
This document provides test methods and procedures to validate safety issues specifically related to the use of a lithium-ion battery-based subsystem, primarily based on IEC 62933-5-1, which establishes criteria for ensuring the safe applications and use of electrical energy storage systems of any type or size, and IEC 62933-5-2, which further specifies safety provisions arising from the use of an electrochemical storage subsystems in EES systems. All test methods and procedures are based on the requirements of IEC 62933-5-2 Ed 2.0. This standard includes only the test methods specifically related to lithium ion battery-based BESS and is based on by actual tests.
The scope of this document is limited to some representative actual test method and procedure for lithium-ion battery-based BESS, but does not include all tests method and procedure.
CHFÂ 260.-
Technical committee
TC 120 Electrical Energy Storage (EES) systems| Publication type | International Standard |
| Publication date | 2026-05-11 |
| Edition | 1.0 |
| ICS | 27.010 |
| Stability date | 2028 |
| ISBN number | 9782832712139 |
| Pages | 36 |
| File size | 1.44 MB |
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