<SEC-DOCUMENT>0001209191-22-052301.txt : 20221004
<SEC-HEADER>0001209191-22-052301.hdr.sgml : 20221004
<ACCEPTANCE-DATETIME>20221004164519
ACCESSION NUMBER:		0001209191-22-052301
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220930
FILED AS OF DATE:		20221004
DATE AS OF CHANGE:		20221004

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zogby Andrew M.
		CENTRAL INDEX KEY:			0001772719

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32253
		FILM NUMBER:		221292457

	MAIL ADDRESS:	
		STREET 1:		2366 BERNVILLE ROAD
		CITY:			READING
		STATE:			PA
		ZIP:			19605

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EnerSys
		CENTRAL INDEX KEY:			0001289308
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				233058564
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		2366 BERNVILLE ROAD
		CITY:			READING
		STATE:			PA
		ZIP:			19605
		BUSINESS PHONE:		(610) 208-1600

	MAIL ADDRESS:	
		STREET 1:		2366 BERNVILLE ROAD
		CITY:			READING
		STATE:			PA
		ZIP:			19605
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
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        <issuerCik>0001289308</issuerCik>
        <issuerName>EnerSys</issuerName>
        <issuerTradingSymbol>ENS</issuerTradingSymbol>
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    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001772719</rptOwnerCik>
            <rptOwnerName>Zogby Andrew M.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ENERSYS</rptOwnerStreet1>
            <rptOwnerStreet2>2366 BERNVILLE ROAD</rptOwnerStreet2>
            <rptOwnerCity>READING</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19605</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Pres. Energy Systems Global</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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            <securityTitle>
                <value>Common Stock</value>
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            </transactionDate>
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            <transactionCoding>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
                    <value>5.9825</value>
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                <transactionPricePerShare>
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                    <value>26784.1203</value>
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                    <value>D</value>
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        <nonDerivativeTransaction>
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                    <value>D</value>
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            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2022-09-30</value>
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                <value></value>
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                <transactionShares>
                    <value>10.4281</value>
                    <footnoteId id="F5"/>
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                    <value>0.00</value>
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                    <value>A</value>
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                <sharesOwnedFollowingTransaction>
                    <value>26811.7786</value>
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                    <value>D</value>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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                <value>2022-09-30</value>
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                <transactionFormType>4</transactionFormType>
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                <value></value>
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                    <value>19.8146</value>
                    <footnoteId id="F6"/>
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                    <value>0.00</value>
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                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>26831.5932</value>
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                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
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    <footnotes>
        <footnote id="F1">These shares were granted in the form of Restricted Stock Units (&quot;RSUs&quot;), in connection with the cash dividend paid on September 30, 2022 to stockholders of record as of September 16, 2022 (the &quot;Dividend&quot;), with respect to 2,052 unvested RSUs granted to the reporting person on December 7, 2018, and adjusted for previously declared and paid cash dividends. These RSUs will vest and are payable concurrent with the underlying RSUs.</footnote>
        <footnote id="F2">These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 866 unvested RSUs granted to the reporting person on August 12, 2019, and adjusted for previously declared and paid cash dividends. These RSUs will vest and are payable concurrent with the underlying RSUs.</footnote>
        <footnote id="F3">These shares were granted in the form of Performance Share Units (PSUs), in connection with the Dividend, with respect to 3,223 PSUs granted to the reporting person on August 12, 2019, and adjusted for vesting on August 12, 2022, and previously declared and paid cash dividends. These PSUs are payable concurrent with the underlying PSUs.</footnote>
        <footnote id="F4">These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 2,984 unvested RSUs granted to the reporting person on August 17, 2020, and adjusted for previously declared and paid cash dividends. These RSUs will vest and are payable concurrent with the underlying RSUs.</footnote>
        <footnote id="F5">These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 3,676 unvested RSUs granted to the reporting person on August 16, 2021, and adjusted for previously declared and paid cash dividends. These RSUs will vest and are payable concurrent with the underlying RSUs.</footnote>
        <footnote id="F6">These shares were granted in the form of RSUs, in connection with the Dividend, with respect to 7,054 unvested RSUs granted to the reporting person on August 12, 2022. These RSUs will be payable concurrent with the underlying RSUs.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Karen J. Yodis, by Power of Attorney</signatureName>
        <signatureDate>2022-10-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
