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):

                                 March 21, 2007

                            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))



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Item 7.01. Regulation FD Disclosure.

Ultralife  Batteries,  Inc.  (the  "Company")  has  received an order  valued at
approximately  $1.6 million  from the U.S.  Defense  Department  for its BA-5390
battery with state-of-charge  indicator.  The order represents a release under a
5-year contract  awarded to Ultralife in 2004.  Deliveries are expected to begin
and be completed in the second quarter.

The  Company's  press  release is attached as Exhibit 99.1 to this Form 8-K. The
information  set  forth  in this  Form  8-K and the  attached  exhibit  is being
furnished to and not filed with the Securities and Exchange Commission and shall
not be deemed to be incorporated by reference in any filing under the Securities
Exchange Act of 1934,  as amended,  or the  Securities  Act of 1933, as amended,
except to the extent specifically provided in any such filing.

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 March 21, 2007.





                                    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: March 21, 2007
                                            By: /s/ Peter F. Comerford
                                            ----------------------------
                                            Peter F. Comerford
                                            Vice President of Administration &
                                            General Counsel








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                                INDEX TO EXHIBITS

(99)   Additional Exhibits

       99.1     Press Release dated March 21, 2007.














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