8-K

                                  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):

                                September 8, 2004

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

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

           0-20852                                       16-1388013
           -------                                       ----------
   (Commission File Number)                 (I.R.S. Employer Identification No.)


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

                                 (315) 332-8100
                                 --------------
             (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 (18 CFR
230.425)

[ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (18 CFR
240.14a-12)

[ ]  Pre-commencement communications pursuant to Rule 14d-2(b) under the
Exchange Act (18 CFR 240.14d-2(b)

[ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange
Act (18 CFR 240.13e-4(c))








Item 7.01. Regulation FD Disclosure.

The Company will be presenting on September 13, 2004 at The Roth Capital
Partners New York Conference taking place at the St. Regis Hotel in New York
City. 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.


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 September 8, 2004.





                                    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: September 8, 2004                       By: /s/ Robert W. Fishback
                                                   ----------------------
                                                   Robert W. Fishback
                                                   Vice President Finance & CFO







                                INDEX TO EXHIBITS

(99)   Additional Exhibits

       99.1    Press Release dated September 8, 2004.

EX-99.1

                                                                    EXHIBIT 99.1

  Ultralife Batteries, Inc. to Present at The Roth Capital Partners
                          New York Conference

    NEWARK, N.Y.--(BUSINESS WIRE)--Sept. 8, 2004--Ultralife Batteries,
Inc. (Nasdaq:ULBI) will be presenting on September 13, 2004 at The
Roth Capital Partners New York Conference taking place at the St.
Regis Hotel in New York City.
    Ultralife Batteries management is scheduled to make a presentation
at 12:00 PM Eastern Time. A live webcast and replay of the
presentation will be available in the Investor Info - Event Calendar
section of the company's website:
http://www.ultralifebatteries.com/invest.asp.

    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.

    About the Roth Capital Partners New York Conference

    This annual event is the largest in the nation for emerging growth
companies. It provides a concentrated forum where Institutional
Investors can meet the executives of growth companies hand picked by
Roth Capital's research team. The conference will highlight
approximately 225 companies from industry groups including Health
Care/Life Sciences; Consumer Products; Defense & Industrial
Technologies; Digital Media, IT & Entertainment; Broadband & Fiber
Optics; Gaming; and Business and Banking/Financial Services.
    This year, as a result of numerous client requests, Roth has
extended the conference to three working days, including a Discovery
Day, which will be hosted by RedChip Resources, LLC. For more
information about the conference visit:

    http://www.rothcp.com/Conf NY Web Site/Roth.htm?content=home

    Ultralife(R) is a registered trademark of Ultralife Batteries,
Inc.

    CONTACT: Company Contact:
             Ultralife Batteries, Inc.
             Robert W. Fishback, 315-332-8100
             bfishback@ulbi.com
             or
             Investor Relations Contact:
             Lippert/Heilshorn & Associates, Inc.
             Jody Burfening, 212-838-3888
             jburfening@lhai.com
             or
             Media Contact:
             Lippert/Heilshorn & Associates, Inc.
             Chenoa Taitt, 212-201-6635
             ctaitt@lhai.com