UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D/A

UNDER THE SECURITIES EXCHANGE ACT OF 1934
(Amendment No. 8)

Ultralife Corporation
(Name of Issuer)

COMMON STOCK, par value $.10
(Title of Class of Securities)

903899102
(CUSIP Number)

Bradford T. Whitmore
1603 Orrington Avenue
Suite 900
Evanston, IL 60201
Telephone:  (847) 733-1230
(Name, Address and Telephone Number of Person Authorized to
Receive Notices and Communications)

October 29, 2020
(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on
Schedule 13G to report the acquisition which is the subject
of this Schedule 13D, and is filing this schedule because
of Section 240.13d-l(e), 240.13d-l(f) or 240.13d-l(g),
check the following box.  [ ]

NOTE:  Schedules filed in paper format shall include a
signed original and five copies of the schedule, including
all exhibits.  See Section 240.13d-7(b) for other parties
to whom copies are to be sent.

The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect
to the subject class of securities, and for any subsequent
amendment containing information which would alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover
page shall not be deemed to be "filed" for the purpose of
Section 18 of the Securities Exchange Act of 1934 ("Act")
or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the
Act (however, see the Notes).

2 Schedule 13D/A CUSIP No. 903899102 Page 2 of 7 Pages 1. Names of Reporting Person S.S. OR I.R.S. Identification No. of Above Persons GRACE BROTHERS, LP 2. Check the Appropriate Box if a Member of a Group (See instructions) (a) [ ] (b) [ ] 3. SEC Use Only 4. Source of Funds (See instructions) OO 5. Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e) [ ] 6. Citizenship or Place of Organization Delaware Limited Partnership 7 Sole Voting Power Number of 0 Shares 8 Shared Voting Power Beneficially 518,616 shares Owned by Each Reporting 9 Sole Dispositive Power Person 0 With 10 Shared Dispositive Power 518,616 shares 11. Aggregate Amount Beneficially Owned by Each Reporting Person 518,616 shares 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See instructions) [ ] 13. Percent of Class Represented by Amount in Row (11) 3.3% 14. Type of Reporting Person (See instructions) OO

3 Schedule 13D/A CUSIP No. 903899102 Page 3 of 7 Pages 1. Names of Reporting Person S.S. OR I.R.S. Identification No. of Above Persons BRO-GP, LLC 2. Check the Appropriate Box if a Member of a Group (See instructions) (a) [ ] (b) [ ] 3. SEC Use Only 4. Source of Funds (See instructions) OO 5. Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e) [ ] 6. Citizenship or Place of Organization Delaware Limited Liability Company 7 Sole Voting Power Number of 0 Shares 8 Shared Voting Power Beneficially 518,616 shares Owned by Each Reporting 9 Sole Dispositive Power Person 0 With 10 Shared Dispositive Power 518,616 shares 11. Aggregate Amount Beneficially Owned by Each Reporting Person 518,616 shares 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See instructions) [ ] 13. Percent of Class Represented by Amount in Row (11) 3.3% 14. Type of Reporting Person (See instructions) OO

4 Schedule 13D/A CUSIP No. 903899102 Page 4 of 7 Pages 1. Names of Reporting Person S.S. OR I.R.S. Identification No. of Above Persons Bradford T. Whitmore 2. Check the Appropriate Box if a Member of a Group (See instructions) (a) [ ] (b) [ ] 3. SEC Use Only 4. Source of Funds (See instructions) PF 5. Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e) [ ] 6. Citizenship or Place of Organization United States 7 Sole Voting Power: 567,174 Number of Sole Voting Power: 4,452,283 (as manager Shares and sole voting member of SUNRAY I, LLC) Beneficially Owned by 8 Shared Voting Power Each 518,616 Reporting Person 9 Sole Dispositive Power: 567,174 With Sole Dispositive Power: 4,452,283 (as Manager and sole voting member of SUNRAY I, LLC) 10 Shared Dispositive Power 518,616 11. Aggregate Amount Beneficially Owned by Each Reporting Person 5,538,073 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See instructions) [ ] 13. Percent of Class Represented by Amount in Row (11) 34.8% 14. Type of Reporting Person (See instructions) IN

5 Schedule 13D/A CUSIP No. 903899102 Page 5 of 7 Pages 1. Names of Reporting Person S.S. OR I.R.S. Identification No. of Above Persons SUNRAY I, LLC 2. Check the Appropriate Box if a Member of a Group (See instructions) (a) [ ] (b) [ ] 3. SEC Use Only 4. Source of Funds (See instructions) OO 5. Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d) or 2(e) [ ] 6. Citizenship or Place of Organization Delaware Limited Liability Company 7 Sole Voting Power Number of 0 Shares Beneficially 8 Shared Voting Power Owned by 4,452,283 shares Each Reporting 9 Sole Dispositive Power Person 0 With 10 Shared Dispositive Power 4,452,283 shares 11. Aggregate Amount Beneficially Owned by Each Reporting Person 4,452,283 12. Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See instructions) [ ] 13. Percent of Class Represented by Amount in Row (11) 28.0% 14. Type of Reporting Person (See instructions) OO

6 Page 6 of 7 Pages The undersigned hereby amends its Schedule 13D as filed on June 7, 2006 relating to the common stock ("Common Stock") of Ultralife Corporation (the "Issuer"). Grace Brothers, LP, BRO-GP, LLC, Bradford T. Whitmore, and SUNRAY I, LLC are collectively referred to in this Amendment No. 8 as the "Filers". Spurgeon is no longer a general partner of Grace and is no longer a reporting person included as a Filer herein. Unless otherwise indicated, all capitalized terms used herein but not defined herein shall have the same meaning as set forth in the Schedule 13D. Except as set forth herein, the Schedule 13D, as previously amended, remains unchanged. Item 2. Identity and Background a. The statement is filed by Grace Brothers, LP, a Delaware limited partnership ("Grace"), BRO-GP, LLC, a Delaware limited liability company, Bradford T. Whitmore ("Whitmore"), and SUNRAY I, LLC, a Delaware limited liability company ("SLLC") (collectively, the "Filers"). BRO-GP, LLC is the general partner of Grace. Whitmore is the sole managing member of BRO-GP, LLC and the manager and sole voting member of SLLC. b. The business address of Grace, BRO-GP, LLC, Whitmore and SLLC is 1603 Orrington Avenue, Suite 900, Evanston, IL 60201. c. The principal business of Grace is to purchase, sell, invest, and trade in securities. The principal business of BRO-GP, LLC is that of being a general partner of Grace. Whitmore's principal occupation is that of being a general partner of Grace. The principal business of SLLC is to hold shares of the Issuer's Common Stock. d. None of the persons referred to in this Item 2 has, during the last five years, been convicted in a criminal proceeding (excluding traffic violations or similar misdemeanors). e. None of the persons referred to in this Item 2 has, during the last five years, been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws. f. Grace is a Delaware limited partnership. BRO-GP, LLC is a Delaware limited liability company. Whitmore is a citizen of the United States. SLLC is a Delaware limited liability company.

7 Page 7 of 7 Pages Item 5. Interest in Securities of the Issuer (a) As of the date of this filing: (1) Grace beneficially owns 518,616 shares of Common Stock, representing approximately 3.3% of the outstanding shares of Common Stock based upon 15,893,889 shares outstanding as of July 27, 2020 as reported in the Issuer's most recent Form 10Q. As general partner of Grace, BRO-GP, LLC may be deemed to share beneficial ownership of these 518,616 shares of Common Stock. BRO-GP, LLC otherwise disclaims beneficial ownership. (2) Whitmore has shared voting and dispositive power (with Grace and BRO-GP, LLC) of 518,616 shares of Common Stock, has sole dispositive power (as manager and sole voting member of SLLC) of (i) 4,452,283 shares of Common Stock, and (ii) 567,174 shares of Common Stock as direct beneficial owner for a combined total of 34.8% of the outstanding shares of Common Stock. (b) Grace: shared voting power (with BRO-GP, LLC and Whitmore) 518,616 Shares of Common Stock Whitmore: shared voting and dispositive power (with Grace and BRO-GP) 518,616 Shares sole voting and dispositive power (as direct beneficial owner) 567,174 Shares sole voting and dispositive power (as manager and sole voting member of SLLC) 4,452,283 (c) No transactions were effected by the Filers during the past sixty days. (d) No person other than the Filers is known to have the right to receive, or the power to direct the receipt of, dividends from or the proceeds from the sale of the Shares. (e) N/A SIGNATURE After reasonable inquiry and to the best of its knowledge and belief, the undersigned certifies that the information set forth in this Statement with respect to it is true, complete and correct. Dated: November 6, 2020 Grace Brothers, LP. By: /s/ Bradford T. Whitmore Name: Bradford T. Whitmore Manager: BRO-GP, LLC Its: General Partner Bradford T. Whitmore By: /s/ Bradford T. Whitmore Name: Bradford T. Whitmore SUNRAY I, LLC By: /s/ Bradford T. Whitmore Name: Bradford T. Whitmore Its: Member