<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-12-16</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0001075656</issuerCik><issuerName>MOBILITY ELECTRONICS INC</issuerName>        <issuerTradingSymbol>MOBE</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001118491</rptOwnerCik><rptOwnerName>MOLLO CHARLES R</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>17800 N. PERIMETER DRIVE</rptOwnerStreet1><rptOwnerStreet2>SUITE 200</rptOwnerStreet2><rptOwnerCity>SCOTTSDALE</rptOwnerCity><rptOwnerState>AZ</rptOwnerState><rptOwnerZipCode>85255</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Chief Executive Officer</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Option to Buy</value></securityTitle><conversionOrExercisePrice><value>9.0500</value></conversionOrExercisePrice><transactionDate><value>2003-12-16</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>150000.0000</value></transactionShares><transactionPricePerShare><value>9.0500</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F1" /></exerciseDate><expirationDate><value>2009-12-16</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>common stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>150000.0000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>150000.0000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">The option vests in six equal semi-annual installments beginning June 16, 2004.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ Betsy A. Eberg for Charles R. Mollo</signatureName><signatureDate>2003-12-18</signatureDate></ownerSignature></ownershipDocument>

