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<SEC-DOCUMENT>0001181431-07-054328.txt : 20070827
<SEC-HEADER>0001181431-07-054328.hdr.sgml : 20070827
<ACCEPTANCE-DATETIME>20070827161454
ACCESSION NUMBER:		0001181431-07-054328
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070823
FILED AS OF DATE:		20070827
DATE AS OF CHANGE:		20070827

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EnerSys
		CENTRAL INDEX KEY:			0001289308
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-ELECTRICAL APPARATUS & EQUIPMENT, WIRING SUPPLIES [5063]
		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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Philion Michael T
		CENTRAL INDEX KEY:			0001298261

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32253
		FILM NUMBER:		071080986

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		610-208-1991

	MAIL ADDRESS:	
		STREET 1:		2366 BRENVILLE ROAD
		CITY:			READING
		STATE:			PA
		ZIP:			19605
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd170747.xml
<DESCRIPTION>PHILION - FORM 4 - 8/23 AND 8/24 EXERCISES
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

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            <rptOwnerState>PA</rptOwnerState>
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                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>5400</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
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            <postTransactionAmounts>
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            <transactionAmounts>
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        <derivativeTransaction>
            <securityTitle>
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            <conversionOrExercisePrice>
                <value>3.74</value>
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            <transactionDate>
                <value>2007-08-23</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
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            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7600</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2008-11-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7600</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>23700</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.74</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2007-08-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>8700</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2008-11-09</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>8700</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15000</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Twenty-five percent of these options vested on each of November 9, 2001, November 9, 2002, November 9, 2003 and July 29, 2004.</footnote>
        <footnote id="F2">The reporting person holds an aggregare total of 692,599 option shares with various prices, exercisability and expiration dates.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Frank M. Macerato, by Power of Attorney</signatureName>
        <signatureDate>2007-08-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----