---
title: Safety requirements for lithium batteries used in electrical energy storage systems
ref_no: "IEC 63056:2020"
status: In force
effective_on: 2020-01-31
source_url: "https://webstore.iec.ch/en/publication/29224"
verified_at: 2026-08-19
version: 1
canonical: "https://tsinghu.com/en/regulations/iec-63056"
publisher: Shenzhen Tsinghu Technology Co., Ltd. (agency, not a certification body)
license: CC-BY-4.0
---

# IEC 63056:2020 Safety requirements for lithium batteries used in electrical energy storage systems

| | |
|---|---|
| Effective | 2020-01-31 |
| Scope | Lithium batteries for energy storage systems up to 1500 V DC |
| Key requirements | Used together with IEC 62619; adds storage-specific requirements |
| Languages | EN |

## Change history

- 2020-01-31 — First edition published (https://webstore.iec.ch/en/publication/29224)