Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Long Jeffrey W.
  2. Issuer Name and Ticker or Trading Symbol
EnerSys [ENS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, Americas
(Last)
(First)
(Middle)
2366 BERNVILLE ROAD
3. Date of Earliest Transaction (Month/Day/Year)
12/29/2017
(Street)

READING, PA 19605
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 12/29/2017   A   2.285 (1) A $ 0 55,750.9883 D  
Common Stock 12/29/2017   A   1.9756 (2) A $ 0 55,752.964 D  
Common Stock 12/29/2017   A   0.8904 (3) A $ 0 55,753.8544 D  
Common Stock 12/29/2017   A   28.6943 (4) A $ 0 55,782.5486 D  
Common Stock 12/29/2017   A   6.7434 (5) A $ 0 55,789.292 D  
Common Stock 12/29/2017   A   14.6366 (6) A $ 0 55,803.9286 D  
Common Stock 12/29/2017   A   6.1702 (7) A $ 0 55,810.0988 D  
Common Stock 12/29/2017   A   9.7015 (8) A $ 0 55,819.8003 D  
Common Stock               500 I By adult son
Common Stock               500 I By adult son

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Long Jeffrey W.
2366 BERNVILLE ROAD
READING, PA 19605
      President, Americas  

Signatures

 Karen J. Yodis, by Power of Attorney   01/03/2018
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) These shares were granted in the form of Restricted Stock Units ("RSUs"), in connection with the cash dividend paid on December 29, 2017 to stockholders of record as of December 15, 2017 (the "Dividend"), with respect to an aggregate of 855 vested RSUs granted to the reporting person on various dates under the EnerSys Voluntary Deferred Compensation Plan for Executives (the "Plan"), and adjusted for previously declared and paid cash dividends. These RSUs are vested and payable concurrent with the underlying RSUs.
(2) These shares were granted in the form of Market Share Units ("MSUs"), in connection with the Dividend, with respect to 390 vested MSUs granted to the reporting person under the Plan on May 25, 2012, and as adjusted for previously declared and paid cash dividends. These MSUs are payable concurrent with the underlying MSUs.
(3) These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 336 unvested RSUs granted to the reporting person on May 12, 2014, and adjusted for previously declared and paid cash dividends. These RSUs will vest and are payable concurrent with the underlying RSUs.
(4) These shares were granted in the form of MSUs, in connection with the Dividend, with respect to 10,948 unvested MSUs granted to the reporting person on May 12, 2015, and adjusted for previously declared and paid cash dividend. These MSUs will vest and are payable concurrent with the underlying MSUs.
(5) These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 2,604 unvested RSUs granted to the reporting person on May 16, 2016, and adjusted for previously declared and paid cash dividends. These RSUs will vest and are payable concurrent with the underlying RSUs.
(6) These shares were granted in the form of Performance Share Units ("PSUs"), in connection with the Dividend, with respect to 5,652 PSUs granted to the reporting person on May 16, 2016, and adjusted for previously declared and paid cash dividends. These PSUs will vest and are payable concurrent with the underlying PSUs.
(7) These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 2,406 unvested RSUs granted to the reporting person on May 9, 2017, and adjusted for previously declared and paid cash dividends. These RSUs will vest and are payable concurrent with the underlying RSUs.
(8) These shares were granted in the form of PSUs, in connection with the Dividend, with respect to 3,783 unvested PSUs granted to the reporting person on May 9, 2017, and adjusted for previously declared and paid cash dividends. These PSUs will vest and are payable concurrent with the underlying PSUs.

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