CONFIRMING STATEMENT


This Statement confirms that the undersigned, CARL ROSNER
 as authorized and designated either Peter F. Comerford or
 Robert Fishback to execute and file on the undersigned's behalf
 Form 3's, Form 4's or Form 5's with the U.S. Securities and Exchange
 Commission through and until, December 31, 2004, that the undersigned
 is required or entitled to file with the U.S. Securities and Exchange
 Commission as a result of changes in the undersigned's ownership of
 securities of Ultralife Batteries, Inc.  The undersigned acknowledges
 that Peter F. Comerford or Robert Fishback are not assuming any of the
 undersigned's responsibilities to comply with Section 16 of the
 Securities Exchange Act of 1934.


 Date:  February 13, 2004


	/s/  Carl Rosner
	CARL ROSNER