-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 T3VKauq9OlIxmlk/OvDJ2WxewvJPD+dQBAd/SLM007fR5vCj9QONPxzRMBnN0ulr
 BzmDSCkq6lrN39A4U8mEGg==

<SEC-DOCUMENT>0001181431-06-038105.txt : 20060622
<SEC-HEADER>0001181431-06-038105.hdr.sgml : 20060622
<ACCEPTANCE-DATETIME>20060622190337
ACCESSION NUMBER:		0001181431-06-038105
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060622
FILED AS OF DATE:		20060622
DATE AS OF CHANGE:		20060622

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			BALANSON RICHARD
		CENTRAL INDEX KEY:			0001212360

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15477
		FILM NUMBER:		06920712

	MAIL ADDRESS:	
		STREET 1:		C/O MAXWELL TECHNOLOGIES INC
		STREET 2:		4244 BALBOA AVE
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92123

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MAXWELL TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0000319815
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPUTERS [3571]
		IRS NUMBER:				952390133
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8888 BALBOA AVENUE
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92123
		BUSINESS PHONE:		8582795100

	MAIL ADDRESS:	
		STREET 1:		8888 BALBOA AVENUE
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92123

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MAXWELL LABORATORIES INC /DE/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>rrd122240.xml
<DESCRIPTION>06.06.22 RSA RELEASE NET SHARES
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-06-22</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000319815</issuerCik>
        <issuerName>MAXWELL TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>MXWL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001212360</rptOwnerCik>
            <rptOwnerName>BALANSON RICHARD</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9244 BALBOA AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92123</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <transactionDate>
                <value>2006-06-22</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>7150</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>20.47</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>62950</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1813</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>Shares held through 401 (k)</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Between the date of the last report and 6/22/2006, the reporting person acquired 140 shares under the 401(k) Plan.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Richard D. Balanson</signatureName>
        <signatureDate>2006-06-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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