---
title: "Haichen Energy's 6.25MWh system at the kilowatt-hour level has passed large-scale fire testing and received international certification"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/281392392.md"
description: "On April 1st, during the 14th International Energy Storage Summit and Exhibition, Hichain Energy announced the complete results of its ∞Power 6.25MWh 4-hour long-duration energy storage system large-scale fire test and received the large-scale fire test certification from UL Solutions. This is the world's first large-duration energy storage system equipped with ampere-hour level cells to undergo an open fire test"
datetime: "2026-04-01T15:11:36.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/281392392.md)
  - [en](https://longbridge.com/en/news/281392392.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/281392392.md)
---

# Haichen Energy's 6.25MWh system at the kilowatt-hour level has passed large-scale fire testing and received international certification

On April 1st, during the 14th International Energy Storage Summit and Exhibition, Hichain Energy announced the complete results of its ∞Power 6.25MWh 4-hour long-duration energy storage system large-scale fire test and received the large-scale fire test certification from UL Solutions. This is the world's first large-duration energy storage system equipped with ampere-hour level cells to undergo an open fire test

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