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

                                    FORM 8-K

     PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934

                Date of Report (Date of earliest event reported):

                                November 20, 2003

                            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)




                                       1

Item 7. 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 November 20, 2003 Item 9. Regulation FD Disclosure. The Company announced that it will be presenting at the Friedman Billings Ramsey 10th Annual Investor Conference on December 2, 2003. Refer to the attached Exhibit 99.1 for the entire text of the release, which Exhibit is being furnished but not filed in accordance with Regulation FD. 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: November 20, 2003 By: /s/Peter F. Comerford --------------------- Peter F. Comerford Vice President - Administration & General Counsel 2

INDEX TO EXHIBITS (99) Additional Exhibits 99.1 Press Release dated November 20, 2003 3

                                                                  Exhibit 99.1

Ultralife Batteries, Inc. to Present at Friedman Billings Ramsey 10th
Annual Investor Conference

    NEWARK, N.Y.--(BUSINESS WIRE)--Nov. 20, 2003--Ultralife Batteries,
Inc. (NASDAQ:ULBI) will be presenting at the Friedman Billings Ramsey
10th Annual Investor Conference on December 2, 2003.
    Ultralife Batteries management is scheduled to make a presentation
at 11:40 AM ET. A live audio webcast and replay of the presentation
will be available in the Investor Relations section of the company's
website, http://www.ultralifebatteries.com/invest.asp.

    About the Friedman Billings Ramsey Conference

    The invitation-only conference will be held at the Sheraton New
York Hotel & Towers located at 811 7th Avenue at 52nd Street. The
conference will feature presentations from more than 140 public and
private financial services, real estate, energy, diversified
industrials, homeland security companies from across the country.
    For more information about the conference please visit
http://www.fbrcorp.com/conf2003.

    About Ultralife Batteries, Inc.

    Ultralife is a leading developer, manufacturer, and marketer of
standard and customized lithium primary (non-rechargeable), lithium
ion and lithium polymer rechargeable batteries. Ultralife's
high-energy batteries use advanced lithium technology and are used in
military, industrial and consumer portable electronic products.
Through its range of standard products and ability to customize for a
wide range of applications, Ultralife is able to provide the next
generation of battery solutions. OEM, retail and government customers
include Energizer, Kidde Safety, Philips Medical Systems, 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 and research facility, is located in
Abingdon, U.K. Both facilities are ISO-9001 certified.
    Ultralife(R) is a registered trademark Ultralife Batteries, Inc.

    CONTACT: Ultralife Batteries, Inc.
             Robert W. 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