Exhibit 3.1

CERTIFICATE OF AMENDMENT
TO
CERTIFICATE OF INCORPORATION
OF
PHOENIX MOTOR INC.

PHOENIX MOTOR INC. (the “Corporation”), a corporation organized and existing under and by virtue of the General Corporation Law of the State of Delaware, does hereby certify:

1. The name of the Corporation is: Phoenix Motor Inc.

2. The Board of Directors of the Corporation has duly adopted resolutions (i) authorizing the Corporation to execute and file with the Secretary of State of the State of Delaware an amendment of the Corporation’s Certificate of Incorporation (as amended, the “Certificate of Incorporation”) to effect a reverse stock split at a ratio of 1-for-5, (ii) declaring such amendment to be advisable and in the best interest of the Corporation, and (iii) calling for the consideration and approval thereof at a meeting of the stockholders of the Corporation.

3. Upon this Certificate of Amendment becoming effective, Article FIFTH of the Certificate of Incorporation of the Corporation is hereby amended by adding the following new paragraph:

“Upon effectiveness (the “Effective Time”) pursuant to the Delaware General Corporation Law of this Certificate of Amendment to the Certificate of Incorporation of the Corporation, each five (5) shares of Common Stock issued and outstanding immediately prior to the Effective Time shall, automatically and without any action on the part of the respective holders thereof, be combined and converted into one (1) share of Common Stock (the “Reverse Stock Split”). No fractional shares shall be issued in connection with the Reverse Stock Split. Stockholders who otherwise would be entitled to receive fractional shares of Common Stock shall be entitled to be rounded up to the next whole share of Common Stock. Each certificate that immediately prior to the Effective Time represented shares of Common Stock (“Old Certificate”), shall thereafter represent that number of shares of Common Stock into which the shares of Common Stock represented by the Old Certificate shall have been combined, subject to adjustment for fractional share interests as described above. The Reverse Stock Split shall have no effect on the number of authorized stock, or par value per share, of the Corporation.”

4. This Certificate of Amendment has been duly approved by the Board of Directors of the Corporation in accordance with Sections 141(f) and 242 of the General Corporation Law of the State of Delaware.

5. This Certificate of Amendment has been duly approved by the holders of the requisite number of shares of capital stock of the Corporation in accordance with Section 242 of the General Corporation Law of the State of Delaware and the applicable provisions of the Certificate of Incorporation.

6. This Certificate of Amendment shall become effective at 4:01 p.m., Eastern Time, on July 31, 2025.

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IN WITNESS WHEREOF, the Corporation has caused this Certificate of Amendment to be executed by its duly authorized officer this 28th day of July, 2025.