Exhibit 32

                           Section 1350 Certification

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002 ("Section 906"), John D. Kavazanjian and Robert W.
Fishback, the President and Chief Executive Officer and Vice President - Finance
and Chief Financial Officer, respectively, of Ultralife Batteries, Inc., certify
that (i) the Quarterly Report on Form 10-Q for the quarter ended March 27, 2004
fully complies with the requirements of Section 13(a) or 15(d) of the Securities
Exchange Act of 1934 and (ii) the information contained in such report fairly
presents, in all material respects, the financial condition and results of
operations of Ultralife Batteries, Inc.

A signed original of this written statement required by Section 906 has been
provided to Ultralife Batteries, Inc. and will be retained by Ultralife
Batteries, Inc. and furnished to the Securities and Exchange Commission or its
staff upon request.

Date: May 3, 2004                          /s/ John D. Kavazanjian
                                           -------------------------------------
                                           John D. Kavazanjian
                                           President and Chief Executive Officer

Date: May 3, 2004                          /s/ Robert W. Fishback
                                           -------------------------------------
                                           Robert W. Fishback
                                           Vice President - Finance and
                                           Chief Financial Officer