Battery Future Acquisition (BFQUF) SC 13G Battery Future Acquisition / Harraden Circle Investments ownership change

Exhibit 99.1

JOINT FILING AGREEMENT

The undersigned hereby agree that the statement on Schedule 13G with respect to the Units of Battery Future Acquisition Corp. dated as of May 15, 2024, is,and any amendments thereto (including amendments on Schedule 13D) signed by each of the undersigned shall be, filed on behalf of each of us pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.

Date: May 15, 2024

HARRADEN CIRCLE INVESTORS, LP
HARRADEN CIRCLE SPECIAL OPPORTUNITIES, LP
By:	HARRADEN CIRCLE INVESTORS GP, LP, its
	general partner
By:	HARRADEN CIRCLE INVESTORS GP, LLC, its general partner
By:	/s/ Frederick V. Fortmiller, Jr.
Title: Managing Member
HARRADEN CIRCLE INVESTORS GP, LP
By:	HARRADEN CIRCLE INVESTORS GP, LLC, its general partner
By:	/s/ Frederick V. Fortmiller, Jr.
Title: Managing Member
HARRADEN CIRCLE INVESTORS GP, LLC
By:	/s/ Frederick V. Fortmiller, Jr.
	Managing Member
HARRADEN CIRCLE INVESTMENTS, LLC
By:	/s/ Frederick V. Fortmiller, Jr.
	Managing Member
FREDERICK V. FORTMILLER, JR.
/s/ Frederick V. Fortmiller, Jr.

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