---
title: "Sunwoda 261 kWh ESS wins TÜV Rheinland EU battery regulation certification"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/290858162.md"
description: "Sunwoda's 261 kWh Energy Storage System (ESS) has received certification under the EU Battery Regulation 2023/1542 from TÜV Rheinland. This certification covers lifecycle management, traceability, and digital battery passport readiness. Additionally, Sunwoda obtained CSA certificates for its 5 MWh BESS, confirming it passed UL 9540A:2026 large-scale fire testing for system-level safety validation."
datetime: "2026-06-25T16:10:06.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/290858162.md)
  - [en](https://longbridge.com/en/news/290858162.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/290858162.md)
---

# Sunwoda 261 kWh ESS wins TÜV Rheinland EU battery regulation certification

-   Sunwoda received CSA certificates confirming its 5 MWh BESS passed UL 9540A:2026 large-scale fire testing, supporting system-level safety validation. \* TÜV Rheinland certified Sunwoda’s 261 kWh ESS series under EU Battery Regulation 2023⁄1542, covering lifecycle, traceability, and digital battery passport readiness. Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Sunwoda Electronic Co. Ltd published the original content used to generate this news brief via PR Newswire (Ref. ID: 202606251209PR\_NEWS\_USPR\_\_\_\_\_CN90894) on June 25, 2026, and is solely responsible for the information contained therein. © Copyright 2026 - Public Technologies (PUBT)

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