UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K/A

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

For the month of November 2025

Commission File Number: 001-41726

ELECTROVAYA INC.

(Registrant)

6688 Kitimat Road

Mississauga, Ontario, Canada L5N 1P8

(Address of Principal Executive Offices) 

Indicate by check mark whether the Registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  ☐            Form 40-F  ☒

Indicate by check mark if the Registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  ☐

Indicate by check mark if the Registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  ☐

Explanatory Note

Electrovaya Inc. is filing this Amendment No. 1 on Form 6-K/A (this “Amendment No. 1”) to its report on Form 6-K, dated November 4, 2025 (the “Original 6-K”), to add the hyperlink on Exhibit 99.1 within the exhibit index.

Except as specifically described in this explanatory note, this Amendment No. 1 does not amend, modify or update any disclosures contained in the Original 6-K, including with respect to any events occurring after the furnishing of the Original 6-K.

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

EXHIBIT INDEX