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RecallJapan (Consumer Affairs Agency)

ニチコン「家庭用蓄電システム」 - 交換

Our English translation — not the regulator’s words

Nichicon “home energy storage system” — replacement

Product: 家庭用蓄電システム

This notice was published in Japanese. The Japanese text on this page is the regulator’s own, reproduced exactly. The English beneath it is a translation we added to make the notice readable, offered as a help and not as a substitute for the original: where the two differ, the Japanese is what the regulator said. Verify against the official notice before acting on it.

Hazard

電池モジュールから発煙する可能性があるため 備考: リコール実施の理由: 電池モジュールから発煙する可能性があるため。

Our English translation — not the regulator’s words

Because smoke may be given off by the battery module. Remarks (備考): Reason for the recall (リコール実施の理由): Because smoke may be given off by the battery module.

What to do

対象製品を所有するユーザーに案内を送付して対策品に交換

Our English translation — not the regulator’s words

A notice is sent to users who own an affected product, and it is exchanged for a remedied product.

Description

対象の特定情報: 製品名 :リチウム蓄電池 商品名 :家庭用蓄電システム ESS-U2M1、ESS-U2M2、ESS-U2MS、ESS-U4M1 販売期間:2016年9月~2021年5月販売期間における一部製品 リコール事業者名:ニチコン株式会社(法人番号:2130001022029) 参照情報: 経済産業省 製品評価技術基盤機構(NITE) (https://www.meti.go.jp/product_safety/recall/file/220404-1.html) 連絡先: ニチコン家庭用蓄電システム 蓄電池無料交換連絡窓口 フリーダイヤル:0120ー215ー072 受付時間:9:00~17:00(土・日・祝日・事業者休日を除く) https://www.nichicon.co.jp/important/info_u2m1/

Our English translation — not the regulator’s words

Identifying the products concerned (対象の特定情報): Product (製品名): lithium storage battery Trade name (商品名): 家庭用蓄電システム (home energy storage system) ESS-U2M1, ESS-U2M2, ESS-U2MS, ESS-U4M1 Sales period (販売期間): some of the products sold between September 2016 and May 2021 Recalling business (リコール事業者名): ニチコン株式会社 (corporate number: 2130001022029) Reference (参照情報): Ministry of Economy, Trade and Industry (経済産業省) National Institute of Technology and Evaluation (製品評価技術基盤機構, NITE) (https://www.meti.go.jp/product_safety/recall/file/220404-1.html) Contact (連絡先): ニチコン家庭用蓄電システム 蓄電池無料交換連絡窓口 — the contact desk for the free battery replacement Freephone (フリーダイヤル): 0120ー215ー072 Hours (受付時間): 9:00–17:00 (excluding Saturdays, Sundays, public holidays and the business's own holidays) https://www.nichicon.co.jp/important/info_u2m1/

Recall date
April 4, 2022
Published
April 13, 2022

No confirmed match to a specific product in our database yet for this recall.

Regulator & source

Last updated September 23, 2026