    <SEC-DOCUMENT>0001437749-23-016146-index.html : 20230530
    <SEC-HEADER>0001437749-23-016146.hdr.sgml : 20230530
    <ACCEPTANCE-DATETIME>20230530170048
    ACCESSION NUMBER:		0001437749-23-016146
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20230530
    DATE AS OF CHANGE:		20230530

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ULTRALIFE CORP
    		CENTRAL INDEX KEY:			0000875657
    		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
    		IRS NUMBER:				161387013
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-20852
    		FILM NUMBER:		23977462

    	BUSINESS ADDRESS:
    		STREET 1:		2000 TECHNOLOGY PARKWAY
    		CITY:			NEWARK
    		STATE:			NY
    		ZIP:			14513
    		BUSINESS PHONE:		3153327100

    	MAIL ADDRESS:
    		STREET 1:		2000 TECHNOLOGY PARKWAY
    		CITY:			NEWARK
    		STATE:			NY
    		ZIP:			14513

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ULTRALIFE BATTERIES INC
    		DATE OF NAME CHANGE:	19940224
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>ulbi20230530_defa14a.htm
    <DESCRIPTION>FORM DEFA14A
    <TEXT>
    Document 1 - file: ulbi20230530_defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>a01.jpg
    <TEXT>
    Document 2 - file: a01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>a02.jpg
    <TEXT>
    Document 3 - file: a02.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>