<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2007-02-01</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000808064</issuerCik>
        <issuerName>C&amp;D TECHNOLOGIES INC</issuerName>
        <issuerTradingSymbol>CHP</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001199797</rptOwnerCik>
            <rptOwnerName>KALB MICHAEL H</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O SUN CAPITAL SECURITIES, LLC</rptOwnerStreet1>
            <rptOwnerStreet2>5200 TOWN CENTER CIRCLE, SUITE 470</rptOwnerStreet2>
            <rptOwnerCity>BOCA RATON</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33486</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>John Hoderny as attorney-in-fact for Michael H. Kalb</signatureName>
        <signatureDate>2007-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
