<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 3.2a -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: http://www.novaworks.co -->
    <!-- Field: Doc-Info; Name: Source; Value: 5barz_2012mar31%2D10qxbrl.xfr; Date: 2012/05/21T21:22:28 -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
    <link:roleRef roleURI="http://5barz.com/role/DocumentAndEntityInformation" xlink:href="barzob-20120331.xsd#DocumentAndEntityInformation" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/BalanceSheets" xlink:href="barzob-20120331.xsd#BalanceSheets" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/BalanceSheetsParenthetical" xlink:href="barzob-20120331.xsd#BalanceSheetsParenthetical" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/StatementsOfOperations" xlink:href="barzob-20120331.xsd#StatementsOfOperations" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/StatementsOfCashFlows" xlink:href="barzob-20120331.xsd#StatementsOfCashFlows" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/OrganizationAndBasisOfReporting" xlink:href="barzob-20120331.xsd#OrganizationAndBasisOfReporting" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/SummaryOfSignificantAccountingPolicies" xlink:href="barzob-20120331.xsd#SummaryOfSignificantAccountingPolicies" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/FunitureAndEquipment" xlink:href="barzob-20120331.xsd#FunitureAndEquipment" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/IntangibleAssets" xlink:href="barzob-20120331.xsd#IntangibleAssets" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/CumulativeSalesOfStock" xlink:href="barzob-20120331.xsd#CumulativeSalesOfStock" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/AssetAcquisitonAgreement" xlink:href="barzob-20120331.xsd#AssetAcquisitonAgreement" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/OptionsWarrantsAndConvertibleSecurities" xlink:href="barzob-20120331.xsd#OptionsWarrantsAndConvertibleSecurities" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/RelatedPartyTransaction" xlink:href="barzob-20120331.xsd#RelatedPartyTransaction" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/FormationOfSubsidiaryCompany5BarzAg" xlink:href="barzob-20120331.xsd#FormationOfSubsidiaryCompany5BarzAg" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/StockAcquisitionAgreementCellynxGroupInc." xlink:href="barzob-20120331.xsd#StockAcquisitionAgreementCellynxGroupInc." xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/BusinessCombination" xlink:href="barzob-20120331.xsd#BusinessCombination" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/SubsequentEvents" xlink:href="barzob-20120331.xsd#SubsequentEvents" xlink:type="simple" />
    <link:roleRef roleURI="http://5barz.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:href="barzob-20120331.xsd#SummaryOfSignificantAccountingPoliciesPolicies" xlink:type="simple" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#notAll" arcroleURI="http://xbrl.org/int/dim/arcrole/notAll" />
    <link:arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/DocumentAndEntityInformation" xlink:title="0001 - Document - Document and Entity Information" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/BalanceSheets" xlink:title="0002 - Statement - Balance Sheets" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/BalanceSheetsParenthetical" xlink:title="0003 - Statement - Balance Sheets (Parenthetical)" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/StatementsOfOperations" xlink:title="0004 - Statement - Statements of Operations" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/StatementsOfCashFlows" xlink:title="0005 - Statement - Statements of Cash Flows" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/OrganizationAndBasisOfReporting" xlink:title="0006 - Disclosure - Organization and Basis of Reporting" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/SummaryOfSignificantAccountingPolicies" xlink:title="0007 - Disclosure - Summary of Significant Accounting Policies" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/FunitureAndEquipment" xlink:title="0008 - Disclosure - Funiture and Equipment" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/IntangibleAssets" xlink:title="0009 - Disclosure - Intangible Assets" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/CumulativeSalesOfStock" xlink:title="0010 - Disclosure - Cumulative Sales of Stock" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/AssetAcquisitonAgreement" xlink:title="0011 - Disclosure - Asset Acquisiton Agreement" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/OptionsWarrantsAndConvertibleSecurities" xlink:title="0012 - Disclosure - Options Warrants and Convertible Securities" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/RelatedPartyTransaction" xlink:title="0013 - Disclosure - Related Party Transaction" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/FormationOfSubsidiaryCompany5BarzAg" xlink:title="0014 - Disclosure - Formation of subsidiary company, 5BARz AG" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/StockAcquisitionAgreementCellynxGroupInc." xlink:title="0015 - Disclosure - Stock acquisition agreement, Cellynx Group, Inc." />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/BusinessCombination" xlink:title="0016 - Disclosure - Business Combination" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/SubsequentEvents" xlink:title="0017 - Disclosure - Subsequent Events" />
    <link:definitionLink xlink:type="extended" xlink:role="http://5barz.com/role/SummaryOfSignificantAccountingPoliciesPolicies" xlink:title="0018 - Disclosure - Summary of Significant Accounting Policies (Policies)" />
</link:linkbase>
