2BV6O-PB50portable power source

portable power source user manual FCC Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: ( 1) This device may not cause harmful interference, and (2) this device mustaccept any interference received, including interference that may cause undesired operation. This equipment has been tested and found to comply with the limits for a Class B digital device,pursuant to Part 15 of the FCC Rules. These limits are designe d to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: -- Reorient or relocate the receiving antenna. -- Increase the separation between the equipment and receiver. -- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. -- Consult the dealer or an experienced radio/TV technician for help. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment complies with the FCC radiation exposure limits set forth for an uncontrolled environment, This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.

GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. CoveredEquipmentCertificationAttestationLetter 5/23/2026 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,MD21046 USA ATTN.:ReviewingEngineer FCCID:2BV6O-PB50 GuangzhouXinhuaCommunicationTechnologyCo.,Ltd.(“theapplicant”)certifiesthat theequipmentforwhichauthorizationissoughtisnot“covered”equipmentprohibited fromreceivinganequipmentauthorizationpursuanttosection2.903oftheFCCrules. Note:Iftheequipmentforwhichtheapplicantseeksauthorizationisproducedby anyoftheentitiesidentifiedonthecurrentCoveredList,theapplicantshould includeanexplanationonwhytheequipmentisnot“covered”equipment. GuangzhouXinhuaCommunicationTechnologyCo.,Ltd.(“theapplicant”)certifiesthat, asofthedateofthefilingoftheapplication,theapplicantisnotidentifiedonthe CoveredList(asaspecificallynamedentityoranyofitssubsidiariesoraffiliates)asan entityproducing“covered”equipment. GuangzhouXinhuaCommunicationTechnologyCo.,Ltd.(“theapplicant”)certifiesthat theequipmentforwhichauthorizationissoughtdoesnotincludecybersecurityoranti- virussoftwareproducedorprovidedbyKasperskyLab,Inc.oranyofitssuccessorsand assignees,includingequipmentwithintegratedKasperskyLab,Inc.(oranyofits successorsandassignees)cybersecurityoranti-virussoftwarepursuanttoDA-24-886 andKDB986446D01CoveredEquipmentGuidancesectionB(2a). Signed: Printedname:ZhongShengyu Title:GeneralManager CompanyName:GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. Date:5/18/2026

GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. * theapplicantmustdesignateacontactlocatedintheUnitedStatesforpurposesofactingasthe applicant’sagentforserviceofprocess,regardlessofwhethertheapplicantisadomesticorforeign entity.AnapplicantlocatedintheUnitedStatesmaydesignateitselfastheagentforserviceofprocess. U.S.AgentDesignationforServiceofProcess- CertificationAttestationLetter 5/23/2026 TO:FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 ATTN.:ReviewingEngineer FCCID:2BV6O-PB50 FRNofapplicant:0038437117 Persection2.911(d)(7)oftheFCCrules,[GuangzhouXinhuaCommunicationTechnologyCo., Ltd.](“theapplicant”)certifiesthattheequipmentforwhichauthorizationissoughtisdesignated tothefollowingU.S.agent*forserviceofprocess: CompanyName:LOBOSIOWAINC FCCRegistrationNumber(FRN):0036413961 PhysicalU.S.CompanyAddress:4623BittercreekDrColoradoSpringsco80922UnitedStates ContactPerson:HarleyLi AgentEmailAddress:[email protected] Theabovecontactpersonacceptstheobligationforserviceofprocess. Theapplicantacceptstomaintainanagentfornolessthanoneyearafterthegranteehas terminatedallmarketingandimportationortheconclusionofanyCommission-related proceedinginvolvingtheequipment. ApplicantSigned: Signed: Printedname:ZhongShengyu Title:GeneralManager CompanyName:GuangzhouXinhua CommunicationTechnology Co.,Ltd. Date:5/23/2026 AgentSigned(ifdifferentfromApplicant): Signed: Printedname:HarleyLi Title:Manager CompanyName:LOBOSIOWAINC Date:5/23/2026

GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. Date:2025-05-23 FederalCommunicationsCommission Authorization&EvaluationDivision 7345OaklandMillsRoad Columbia,Maryland21046 RE:LETTEROFAGENTAUTHORIZATION FCCID:2BV6O-PB50 ToWhomItMayConcern: We,theundersigned,herebyauthorizeComplianceTesting,LLCtoactonourbehalfinallmatters relatingtoapplicationforequipmentauthorization,includingthesigningofalldocumentsrelatingto thesematters. Wealsoherebycertifythatnopartytotheapplicationauthorizedhereunderissubjecttothedenialof benefits,includingFCCbenefits,pursuanttoSection5301oftheAnti-DrugAbuseActof1988,21 U.S.C.853(a). Signature PrintedName:ZhongShengyu Company:GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. JobTitle:GeneralManager Email:[email protected] Telephone:+8613527862134

GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. RequestforLong-TermConfidentialityLetter-FCC Date:May.23,26 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:RequestforLong-Termconfidentiality FCCID:2BV6O-PB50 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwithLong- Termconfidentialstatus.  Schematics  OperationalDescription FrequencyBlockDiagrams  Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerelyyours, Signature PrintedName:ZhongShengyu Company:GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. JobTitle:GeneralManager Email:[email protected] Telephone:+8613527862134

GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. RequestforShort-TermConfidentialityLetter-FCC Date:May.23,26 FederalCommunicationsCommission AuthorizationandEvaluationDivision 7435OaklandMillsRoad Columbia,Maryland21046 Re:RequestforShort-Termconfidentiality FCCID:2BV6O-PB50 Towhomitmayconcern, Weherebyrespectfullyrequestthatundertheprovisionof47CFR0.459and0.457(d)the documentslistedbelowandattachedwiththisapplicationforcertificationbeprovidedwithShort- Termconfidentialstatusfor180daysfromthedateofthegrant. ExternalPhotos TestSetupPhotos InternalPhotos Anyexhibit/informationforwhichwehaverequestedconfidentiality,butwhichmaynotbe accordedsuchtreatmentbytheFCC,shouldbereturnedtous. Thedocumentslistedabovecontaintradesecretsthataretreatedasconfidentialbyus. Substantialcompetitiveharmtouscouldresultshouldtheybemadeavailabletothepublic. Sincerelyyours, Signature PrintedName:ZhongShengyu Company:GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. JobTitle:GeneralManager Email:[email protected] Telephone:13527862134

FCCID:2BV6O-PB50 ModelsDifferenceDeclaration Towhomconcern, WeGuangzhouXinhuaCommunicationTechnologyCo.,Ltd.Hereby declares: TheproductmodelisPB-50thesamePCBlayout,electronicschematic andAntennawithPB-55,PB-57,PB-59.Onlythemodelsarenot differencewhichnotinfluencetheRFspecification. Thedetailseebelow Sincerely, (Signature) (ZhongShengyu) (GeneralManager) Tel:+8613527862134 Email:[email protected]

FCCID:2BV6O-PB50 L*W:10mm*5mm labelandWhitefont

- Page 1 of 11 - Report No.: HB20260326001E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com RF EXPOSURE Test Report Product: portable power source Trade Mark: N/A Model Number: PB-50 FCC ID: 2BV6O-PB50 Prepared for Guangzhou Xinhua Communication Technology Co., Ltd. Room 2501, Building A, TCL Building, No. 18, Haizhou Road, Haizhu District, Guangzhou, Guangdong, China Prepared by Shenzhen HongBiao Certification& Testing Co., Ltd Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen, China Tel.: +86-755-2998 9321 Fax.: +86-755-2998 5110 Website: http://www.sz-hongbiao.com - Page 2 of 11 - Report No.: HB20260326001E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Table of Contents 1 GENERAL DESCRIPTION ..................................................................................................................................... 5 1.1 DESCRIPTION OF EUT ................................................................................................................................................ 5 1.2 TEST MODE .............................................................................................................................................................. 5 1.3 TEST SETUP .............................................................................................................................................................. 5 1.4 ANCILLARY EQUIPMENT .............................................................................................................................................. 5 2 TEST FACILITIES AND ACCREDITATIONS .............................................................................................................. 6 2.1 TEST LABORATORY ..................................................................................................................................................... 6 2.2 ENVIRONMENTAL CONDITIONS ..................................................................................................................................... 6 2.3 MEASUREMENT UNCERTAINTY ..................................................................................................................................... 6 2.4 TEST SOFTWARE ........................................................................................................................................................ 6 3 LIST OF TEST EQUIPMENT .................................................................................................................................. 8 4 RF EXPOSURE..................................................................................................................................................... 9 4.1 MAXIMUM PERMISSIBLE EXPOSURE .............................................................................................................................. 9 4.1.1. Limit ............................................................................................................................................................ 9 4.1.2. Test Procedures ........................................................................................................................................... 9 4.1.3. Test Setup .................................................................................................................................................... 9 4.1.4. Test Result ................................................................................................................................................. 10 5 PHOTOGRAPHS OF THE TEST SETUP ..................................................................................................................11 - Page 3 of 11 - Report No.: HB20260326001E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com TEST RESULT CERTIFICATION Applicant’s Name ................. : Guangzhou Xinhua Communication Technology Co., Ltd. Address ................................. : Room 2501, Building A, TCL Building, No. 18, Haizhou Road, Haizhu District, Guangzhou, Guangdong, China Manufacturer's Name .......... : Guangzhou Xinhua Communication Technology Co., Ltd. Address ................................. : Room 2501, Building A, TCL Building, No. 18, Haizhou Road, Haizhu District, Guangzhou, Guangdong, China Product description Product name ........................ : portable power source Model Number ....................... : PB-50 Standards ............................. : FCC CFR 47 PART 1 , 1.1310 Test procedure ....................... : KDB 680106 D01 Wireless Power Transfer v04 This device described above has been tested by Shenzhen HongBiao Certification& Testing Co., Ltd and the test results show that the equipment under test (EUT) is in compliance with the EMC requirements. And it is applicable only to the tested sample identified in the report. Date of Test ........................................... : Date (s) of performance of tests ............. : Mar. 26, 2026~May 18, 2026 Test Result .............................................. : Pass Testing Engineer : ( Z o e Su) Technical Manager : (M i n g L i u) Authorized Signatory : (Le o S u) - Page 4 of 11 - Report No.: HB20260326001E-01 Add:Room 102, 201, Building 2, Yuanwanggu RFID Industrial Park, Tongguan Road, Tianliao Community, Yutang Street, Guangming District, Shenzhen,China Tel: (86-755) 29989321 Fax: (86-755) 29985110 Web:www.sz-hongbiao.com Revision Hist…

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ReportNo.:86260319499Date:May22,2026Page1of24 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. RFTESTREPORT Applicant:GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. Address: Room2501,BuildingA,TCLBuilding,No.18,HaizhouRoad,HaizhuDistrict, Guangzhou,Guangdong,China Manufacturer:GuangzhouXinhuaCommunicationTechnologyCo.,Ltd. Address: Room2501,BuildingA,TCLBuilding,No.18,HaizhouRoad,HaizhuDistrict, Guangzhou,Guangdong,China EUTName:portablepowersource Trademark:/ Model:PB-50 FCCID ：2BV6O-PB50 Rating: TotalOutput:5V-2A Type-CInput:5V-2A/9V-2A WirelessOutput:5w7.5w/10W/15W Battery:5000mAh19.25Wh/3.85V SampleReceived Date: Mar.19,2026 TestDate:Mar.19,2026~Apr.05,2026 Applicable Standards: CFR47,FCCPart15C TestResultPass Preparedby:Approvedby: EvanFang/ProjectEngineerBruceZhang/TechnicalManager ReportNo.:86260319499 May22,2026 Page2of24 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. RevisionHistory VersionDateofIssueDescription V00May22,2026OriginalVersion ReportNo.:86260319499 May22,2026 Page3of24 HDTestingTechnology(GuangDong)Co.,Ltd. Building1,No.18,ShihuanRoad,DongchengSubdistrict, Dongguan,Guangdong,China Tel:+86-0769-22221088 E-mail:[email protected] Website:www.hdt-lab.com Thisreportisgovernedby,andincorporatesbyreference,theconditionsoftestingaspostedatthe dateofissuanceofthisreportathttp://www.hdt-lab.com/andisintendedforyourexclusiveuse.Any copyingorreplicationofthisreporttoorforanyotherpersonorentity,oruseofournameortrademark, ispermittedonlywithourpriorwrittenpermission.Thisreportsetsforthourfindingssolelywithrespect tothetestsamplesidentifiedherein.Theresultssetforthinthisreportarenotindicativeor representativeofthequalityorcharacteristicsofthelotfromwhichatestsamplewastakenorany similaroridenticalproductunlessspecificallyandexpresslynoted.Ourreportincludesallofthetests requestedbyyouandtheresultsthereofbasedupontheinformationthatyouprovidedtous. Measurementuncertaintyisonlyprovideduponrequestforaccreditedtests.Statementsofconformity arebasedonsimpleacceptancecriteriawithouttakingmeasurementuncertaintyintoaccount,unless otherwiserequestedinwriting.Youhave15daysfromdateofissuanceofthisreporttonotifyusofany materialerrororomissioncausedbyournegligenceorifyourequiremeasurementuncertainty; provided,however,thatsuchnoticeshallbeinwritingandshallspecificallyaddresstheissueyouwish toraise.Afailuretoraisesuchissuewithintheprescribedtimeshallconstituteyourunqualified acceptanceofthecompletenessofthisreport,thetestsconductedandthecorrectnessofthereport contents. TABLEOFCONTENTS 1.TESTSUMMARY.....................................................................................................................4 2.TESTSITE...............................................................................................................................5 2.1.TestFacility........................................................................................................................................5 2.2.MeasurementUncertainty..................................................................................................................5 2.3.TestEnvironmentCo…

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ShenzhenChenxingElectronicTechnologyCo.,Ltd. CompanyName:ShenzhenChenxingElectronicTechnologyCo.,Ltd. FactoryAddress:5thFloor,Building1,XinkechengTechnologyIndustrialPark,51DabaoRoad,Xin'anStreet,Bao'anDistrict,ShenzhenCity Page1 ProductSpecificationBook PRODUCTSPECIFICATIONFORAPPROVAL CustomerName： Mingjingtian CUSTOMERProduct Name: A11TransmissionCoil PRODUCTNAMEMat- erialCode: PARTNo. 1107000323 ProductSpecificatio- ns:PRODUCTSPEC SensitivitySpecification:6.5uH±10% DiskSpecification:42.5*5.3*0.8Doublegroove WireSpecifications:0.08*24*2*10Ts（20.5） OutlineLength:40mmtwistedwirewithdualgroovesforcableexit Standarddouble-sidedadhesivetape/6mmhigh-temperatureadhesivetape Sundesignatedtime： DATE July24,2025 VersionNumber: VERSION REV1.0 Edition Revision ChangeDetails ModifiedContent Responsibi- lityPrinciple Date Date Rem- arks Note REV1.0FirstRelease XueLei 2025-07-24 Developedby:Reviewed/-checkedByApprovedBy Customer-approvedsigna- tureandseal:Authorized signature&companystamp Attachedistheproductspecification.Ifyouhaveanyquestions,pleaseletusknowpromptly.Thankyou! ShenzhenChenxingElectronicTechnologyCo.,Ltd. CompanyName:ShenzhenChenxingElectronicTechnologyCo.,Ltd. FactoryAddress:5thFloor,Building1,XinkechengTechnologyIndustrialPark,51DabaoRoad,Xin'anStreet,Bao'anDistrict,ShenzhenCity Page2 ProductSpecifications I.ProductDimensions DiskdiameterA 42.5±0.5mm CoilOuterDiameterB 39±1.5mm InnerdiameterofthecoilC 20.5±0.5mm ProductThicknessD <1.8mm OutlineLengthE 40mm ± 3mm SolderlengthF 3±1mm DiskholediameterG 5±0.3mm Diskthickness0.8±0.05mm DiskShape Circulardoublegroove Backadhesivethickness Standarddouble-sidedadhesive High-strengthtapespecifications 6mmadhesivetape ShenzhenChenxingElectronicTechnologyCo.,Ltd. CompanyName:ShenzhenChenxingElectronicTechnologyCo.,Ltd. FactoryAddress:5thFloor,Building1,XinkechengTechnologyIndustrialPark,51DabaoRoad,Xin'anStreet,Bao'anDistrict,ShenzhenCity Page3 II.SchematicDiagram III.WindingParameters Terminal TERMINAL WireDiameter Numberofturns Turns Directionofwinding WindingDirection SF 008 Enamelwire.*24P(double-strandedwound) 10TsCCW IV.ElectricalCharacteristics: TemperatureTEMPERATURE:25±10°C,HumidityRELATIVEHUMIDITY:65±20% ProjectITEM Terminal TERMINAL Standard SPECIFICATION Testcondition TESTFREQUENCY Measuringandtestinstruments TESTEQUIPMENTS IND.S-F L ： 6.5uH±10% 100KHz/1.0VLCZMETER1062B