8-K

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K

                                 Current Report
     PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

                Date of Report (Date of earliest event reported):

                                  May 27, 2005

                            ULTRALIFE BATTERIES, INC.
                            -------------------------
             (Exact name of registrant as specified in its charter)

                                    Delaware
                                    --------
         (State or other jurisdiction of incorporation or organization)

       0-20852                                             16-1387013
       -------                                             ----------
(Commission File Number)                    (I.R.S. Employer Identification No.)

                 2000 Technology Parkway, Newark, New York 14513
                 -----------------------------------------------
               (Address of principal executive offices) (Zip Code)

                                 (315) 332-7100
                                ----------------
              (Registrant's telephone number, including area code)


Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions:

[ ] Written communications pursuant to Rule 425 under the Securities Act (17
    CFR 230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17
    CFR 240.14a-12)

[ ] Pre-commencement communications pursuant to Rule 14d-2(b) under the
    Exchange Act (17 CFR 240.14d-2(b)

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the
    Exchange Act (17 CFR 240.13e-4(c))




Item 7.01. Regulation FD Disclosure.

Ultralife Batteries, Inc. (the "Company") will hold its annual meeting of
shareholders for the period ending December 31, 2004, at the Company's
headquarters in Newark, New York on Thursday, June 9, 2005 at 10:30 a.m. The
Company's press release is attached as Exhibit 99.1 to this Form 8-K, and the
information set forth therein is furnished under Item 7.01.


Item 9.01. Financial Statements, Pro Forma Financials and Exhibits.

(a)  Financial Statements of Business Acquired.

     Not applicable.

(b)  Pro Forma Financial Information.

     Not applicable.

(c)  Exhibits.

     99.1 Press Release dated May 27, 2005.



                                    SIGNATURE

     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 hereunto duly authorized.

                                             ULTRALIFE BATTERIES, INC.

Dated: May 27, 2005                          By: /s/ Robert W. Fishback
                                                 -------------------------------
                                                 Robert W. Fishback
                                                 Vice President of Finance & CFO




                                INDEX TO EXHIBITS

(99) Additional Exhibits

     99.1 Press Release dated May 27, 2005.

EX-99.1

                                                                    Exhibit 99.1

  Ultralife Batteries to Hold Annual Meeting of Shareholders on June 9, 2005;
                    Investors Invited to Access Live Webcast

     NEWARK, N.Y.--(BUSINESS WIRE)--May 27, 2005--Ultralife Batteries, Inc.
(NASDAQ: ULBI) will hold its annual meeting of shareholders for the period
ending December 31, 2004, at the Company's headquarters in Newark, New York on
Thursday, June 9, 2005 at 10:30 a.m. Investors who are unable to attend in
person are invited to view a live webcast of the meeting at the Investor Info
section of Ultralife's web site at www.ultralifebatteries.com. A replay of the
meeting will be available at Ultralife's web site on June 10.

     About Ultralife Batteries, Inc.

     Ultralife is a global provider of power solutions for diverse applications.
The company develops, manufactures and markets a wide range of non-rechargeable
and rechargeable batteries, charging systems and accessories for use in
military, industrial and consumer portable electronic products. Through its
range of standard products and engineered solutions, Ultralife is able to
provide the next generation of power systems. Industrial, retail and government
customers include General Dynamics, Philips Medical Systems, Energizer, Kidde
Safety, Lowe's, Radio Shack and the national defense agencies of the United
States and United Kingdom, among others.
     Ultralife's headquarters, principal manufacturing and research facilities
are in Newark, New York, near Rochester. Ultralife (UK) Ltd., a second
manufacturing facility, is located in Abingdon, England. Both facilities are
ISO-9001 certified. Detailed information about Ultralife is available at
www.ultralifebatteries.com.
     Ultralife(R) is a registered trademark of Ultralife Batteries, Inc.


     CONTACT: Ultralife Batteries, Inc.
              Robert Fishback, 315-332-7100
              bfishback@ulbi.com
              or
              Investor Relations Contact:
              Lippert/Heilshorn & Associates, Inc.
              Jody Burfening, 212-838-3777
              jburfening@lhai.com
              or
              Media Contact:
              Lippert/Heilshorn & Associates, Inc.
              Chenoa Taitt, 212-201-6635
              ctaitt@lhai.com