UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
 Washington, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. )*
Greatbatch Inc
 (Name of Issuer)
Common Stock
 (Title of Class of Securities)
39153L106
 (CUSIP Number)
December 29, 2006
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:
[X] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[ ] Rule 13d-1(d)
*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 the disclosures provided in a prior cover page.
The information required in 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).

CUSIP: 39153L106                                                Page 1 of 7

 1   NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
     Capital Research and Management Company
     95-1411037

 2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE
     INSTRUCTIONS)                                                 (a)

                                                                    (b)
 3   SEC USE ONLY

 4   CITIZENSHIP OR PLACE OF ORGANIZATION

     Delaware

             5   SOLE VOTING POWER

                  2,149,600

             6   SHARED VOTING POWER
 NUMBER OF
   SHARES         NONE
BENEFICIALL
 Y OWNED BY
             7   SOLE DISPOSITIVE POWER
    EACH
 REPORTING        2,149,600
   PERSON
   WITH:
             8   SHARED DISPOSITIVE POWER

                  NONE

 9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,149,600     Beneficial ownership disclaimed pursuant to Rule 13d-4

 10  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
     (SEE INSTRUCTIONS)

 11  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     9.8%

 12  TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)

     IA

CUSIP: 39153L106                                                Page 2 of 7	

1 NAMES OF REPORTING PERSONS I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
SMALLCAP World Fund, Inc. 95-4253845
2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS) (a)
(b)

3 SEC USE ONLY
4 CITIZENSHIP OR PLACE OF ORGANIZATION
Maryland
5 SOLE VOTING POWER
NONE

             6   SHARED VOTING POWER
 NUMBER OF
   SHARES         NONE
BENEFICIALL
 Y OWNED BY
             7   SOLE DISPOSITIVE POWER
    EACH
 REPORTING        NONE
   PERSON
   WITH:
             8   SHARED DISPOSITIVE POWER

                  NONE	

9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
1,744,400
10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES
 (SEE INSTRUCTIONS)
11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
7.9%
12 TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
IV

CUSIP: 39153L106                                                Page 3 of 7	

SECURITIES AND EXCHANGE COMMISSION
 Washington, DC 20549
Schedule 13G
Under the Securities Exchange Act of 1934
Amendment No.
Item 1(a) Name of Issuer:
Greatbatch Inc
Item 1(b) Address of Issuer's Principal Executive Offices:
 9645 Wehrle Drive
Clarence, New York 14031
Item 2(a) Name of Person(s) Filing:
 Capital Research and Management Company and SMALLCAP World Fund, Inc.
Item 2(b) Address of Principal Business Office or, if none,
 Residence:
333 South Hope Street
Los Angeles, CA 90071
Item 2(c) Citizenship: N/A
Item 2(d) Title of Class of Securities:
Common Stock
Item 2(e) CUSIP Number:
39153L106
Item 3 If this statement is filed pursuant to sections 240.13d-1(b)
 or 240.13d-2(b) or (c), check whether the person filing is a:
(d) [X] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).
(e) [X] An investment adviser in accordance with section 240.13d-1(b)(1)(ii)(E).
Item 4 Ownership
Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.
See pages 2 and 3
(a) Amount beneficially owned:
(b) Percent of class:
(c) Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
(ii) Shared power to vote or to direct the vote:
(iii) Sole power to dispose or to direct the disposition of:
(iv) Shared power to dispose or to direct the disposition of:

CUSIP: 39153L106                                                Page 4 of 7	

Capital Research and Management Company, an investment adviser registered under Section 203 of the Investment Advisers Act of 1940 is deemed to be the beneficial owner of 2,149,600 shares or 9.8% of the 22,013,180 shares of Common Stock believed to be outstanding as a result of acting as investment adviser to various investment companies registered under Section 8 of the Investment Company Act of 1940.
SMALLCAP World Fund, Inc., an investment company registered under the Investment Company Act of 1940, which is advised by Capital Research and Management Company, is the beneficial owner of 1,744,400 shares or 7.9% of the 22,013,180 shares of Common Stock believed to be outstanding.
Item 5 Ownership of Five Percent or Less of a Class. If this
 statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following: [ ]
Item 6 Ownership of More than Five Percent on Behalf of Another
Person: N/A
Item 7 Identification and Classification of the Subsidiary Which
 Acquired the Security Being Reported on By the Parent Holding Company or Control Person.: N/A
Item 8 Identification and Classification of Members of the Group:
 N/A
Item 9 Notice of Dissolution of Group: N/A
Item 10 Certification
By signing below, I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.
Signature
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

        Date:          February 7, 2007

        Signature:     *Paul G. Haaga, Jr.
        Name/Title:    Paul G. Haaga, Jr., Executive Vice
                       President
                       Capital Research and Management Company

CUSIP: 39153L106                                                Page 5 of 7	

Date:          February 7, 2007

Signature:     *Chad L. Norton
Name/Title:    Chad L. Norton, Secretary
               SMALLCAP World Fund, Inc.

*By    /s/ Liliane Corzo
       Liliane Corzo
       Attorney-in-fact	

Signed pursuant to a Power of Attorney dated November 14, 2006 included as an Exhibit to Schedule 13F filed with the Securities and Exchange Commission by Capital Research and Management Company on November 14, 2006.

CUSIP: 39153L106                                                Page 6 of 7

                               AGREEMENT

                            Los Angeles, CA
                           February 7, 2007

  Capital Research and Management Company ("CRMC") and SMALLCAP World
Fund, Inc. ("SCWF") hereby agree to file a joint statement on Schedule
13G under the Securities Exchange Act of 1934 (the "Act") in connection
with their beneficial ownership of Common Stock issued by Greatbatch
Inc.

  CRMC and SCWF state that they are each entitled to individually use
Schedule 13G pursuant to Rule 13d-1(c) of the Act.

  CRMC and SCWF are each responsible for the timely filing of the
statement and any amendments thereto, and for the completeness and
accuracy of the information concerning each of them contained therein
but are not responsible for the completeness or accuracy of the
information concerning the others.

                 CAPITAL RESEARCH AND MANAGEMENT COMPANY

                 BY:              *Paul G. Haaga, Jr.
                                  Paul G. Haaga, Jr., Executive
                                   Vice President
                                   Capital Research and Management
                                   Company

                 SMALLCAP WORLD FUND, INC.

                 BY:              *Chad L. Norton
                                  Chad L. Norton, Secretary
                                   SMALLCAP World Fund, Inc.

*By  /s/ Liliane Corzo
     Liliane Corzo
     Attorney-in-fact

     Signed pursuant to a Power of Attorney dated November 14, 2006
     included as an Exhibit to Schedule 13F filed with the Securities
     and Exchange Commission by Capital Research and Management Company
     on November 14, 2006.

CUSIP: 39153L106                                                Page 7 of 7