AMERICAN BATTERY TECHNOLOGY Co

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

(Amendment No. )

Filed by the Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

American Battery Technology Company

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check all boxes that apply):

American Battery Technology Company

100 Washington Street, Suite 100

Reno, NV 89503

NOTICE OF 2025 ANNUAL MEETING OF SHAREHOLDERS

To Be Held on November 13, 2025

September 19 th, 2025

Dear Shareholders:

You are cordially invited to attend the 2025 Annual Meeting of Shareholders (the “Annual Meeting”) of American Battery Technology Company (“we,” “us” or the “Company”), on November 13, 2025, beginning at 12:00 p.m. Pacific Time, for the following purposes:

The Annual Meeting will be a virtual meeting of shareholders.

You may attend the online meeting and vote your shares electronically during the Annual Meeting via the internet by visiting: www.virtualshareholdermeeting.com/ABTC2025. We recommend that you log in at least fifteen minutes before the start of the Annual Meeting to ensure that you are logged in when the Annual Meeting starts.

The Board has fixed September 15, 2025, as the record date (the “Record Date”) for the determination of shareholders entitled to notice of, and to vote at, the Annual Meeting and any adjournment or postponement thereof. At the close of business on the Record Date, 118,046,888 shares of the Company’s common stock were issued and outstanding. The presence, virtually or by proxy, of the holders of at least 33 1/3 percent of the Company’s outstanding shares of capital stock as of the Record Date will constitute a quorum for the transaction of business at the Annual Meeting and any adjournment or postponement thereof.

We will be using the “Notice and Access” method of providing proxy materials to you via the internet. On or about October 3, 2025, we will mail to our shareholders a Notice of Availability of Proxy Materials (“Notice”) containing instructions on how to access our Proxy Statement and our 2025 Annual Report on Form 10-K for the fiscal year ended June 30, 2025, and vote electronically via the internet. This Notice also contains instructions on how to receive a printed copy of your proxy materials. Only shareholders of record at the close of business on the record date are entitled to notice of, and to vote at the Annual Meeting.

You may vote over the internet, as well as by telephone or, if you requested to receive printed proxy materials, you can also vote by mail pursuant to instructions provided on the proxy card. Please review the instructions for each of your voting options described in the Proxy Statement, as well as in the Notice you will receive in the mail.

Your vote is very important. Whether or not you plan to attend the Annual Meeting, we encourage you to read the Proxy Statement and submit your proxy or voting instructions as soon as possible by internet, telephone or mail. For specific instructions on how to vote your shares, please refer to the instructions on the Notice of Internet Availability of Proxy Materials you will receive in the mail, or, if you request to receive printed proxy materials, your enclosed proxy card. Please note that shares held beneficially in street name may be voted by you in person at the Annual Meeting only if you obtain a legal proxy from the broker, bank, trustee, or other nominee that holds your shares giving you the right to vote the shares.

Sincerely,

Ryan Melsert, Chief Executive Officer

TABLE OF CONTENTS

IMPORTANT NOTICE REGARDING AVAILABILITY OF PROXY MATERIALS:

Copies of this Notice, the Proxy Statement following this Notice and the Annual Report to

Shareholders are available atwww.proxyvote.com