United States securities and exchange commission logo March 30, 2021 Phillip Fain Chief Financial Officer ULTRALIFE CORP 2000 Technology Parkway Newark, NY 14513 Re: ULTRALIFE CORP Registration Statement on Form S-3 Filed March 30, 2021 File No. 333-254846 Dear Mr. Fain: This is to advise you that we have not reviewed and will not review your registration statement. Please refer to Rules 460 and 461 regarding requests for acceleration. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Please contact Kevin Stertzel at (202) 551-3723 with any questions. Sincerely, Division of Corporation Finance Office of Manufacturing