<SEC-DOCUMENT>0001691545-18-000001.txt : 20180404
<SEC-HEADER>0001691545-18-000001.hdr.sgml : 20180404
<ACCEPTANCE-DATETIME>20180404162502
ACCESSION NUMBER:		0001691545-18-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180402
FILED AS OF DATE:		20180404
DATE AS OF CHANGE:		20180404

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Zavala Luis
		CENTRAL INDEX KEY:			0001691545

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37960
		FILM NUMBER:		18737498

	MAIL ADDRESS:	
		STREET 1:		249 E. GARDENA BOULEVARD
		CITY:			GARDENA
		STATE:			CA
		ZIP:			90248

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Polar Power, Inc.
		CENTRAL INDEX KEY:			0001622345
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				330479020
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		249 E. GARDENA BOULEVARD
		CITY:			GARDENA
		STATE:			CA
		ZIP:			90248
		BUSINESS PHONE:		310-830-9153

	MAIL ADDRESS:	
		STREET 1:		249 E. GARDENA BOULEVARD
		CITY:			GARDENA
		STATE:			CA
		ZIP:			90248
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-04-02</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001622345</issuerCik>
        <issuerName>Polar Power, Inc.</issuerName>
        <issuerTradingSymbol>POLA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001691545</rptOwnerCik>
            <rptOwnerName>Zavala Luis</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>249 E. GARDENA BOULEVARD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GARDENA</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90248</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>4.97</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2018-04-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>90000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2028-04-02</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>90000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>90000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Subject to the award recipient continuing to be employed by the Issuer or an Affiliate (as defined in the Issuer's 2016 Omnibus Incentive Plan) through each applicable vesting date, the option will vest as follows: one-third of the shares subject to the option shall vest and become exercisable on each of April 2, 2019, April 2, 2020 and April 2, 2021.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/Luis Zavala</signatureName>
        <signatureDate>2018-04-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
