2A8IZ-VB030Lithium iron phosphate battery (LiFePO4 Battery)

Modeldifferencedeclarationletter DifferencesDescription WeShenzhenCBTEnterpriseCo.,Ltdstate: Product：Lithiumironphosphatebattery(LiFePO4Battery) ModelName： VB030,VB037,VB025,VB026,VB029,VB038,VB028, VB101,VB102,VB103,VB104,VB007,VB031 Theaboveproductwithsamecircuit,PCBlayout,electricalparts,materialsand wiringstructures,Appearanceshape,thematerialsofdecorativeaccessoriesis same,onlydifferentcolor. Signatory Date:Aug.302022 <Signature> Name： SmileZhou Title：manager Company:ShenzhenCBTEnterpriseCo.,Ltd Address:Floor3-01,FukangTechnologyBuilding,Building8,FukangBusinessPlaza,Fukang Community,LonghuaStreet,LonghuaDistrict,Shenzhen,Guangdong,China

C5266091_X8_Ed.1 1/1 LetterofAuthorization ShenzhenCBTEnterpriseCo.,Ltd Company:ShenzhenCBTEnterpriseCo.,Ltd Address:Floor3-01,FukangTechnologyBuilding,Building8,FukangBusiness Plaza,FukangCommunity,LonghuaStreet,LonghuaDistrict,Shenzhen, Guangdong,China ProductName:Lithiumironphosphatebattery(LiFePO4Battery) ModelNumber:VB030,VB037,VB025,VB026,VB029,VB038,VB028,VB101,VB102, VB103,VB104,VB007,VB031 FCCIdentifier:2A8IZ-VB030 WeauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdelCarme,s/n, 08193Bellaterra,Spain,toactonourbehalfonallmattersconcerningthe abovenamedequipment. AnyindividualwithinLGAITechnologicalCenterS.A.isauthorizedtoactonour behalfandtakeactionontheapplication. WedeclarethatauthorizeLGAITechnologicalCenterS.A.,RondadelaFontdel Carme,s/n,08193Bellaterra,Spain,isallowedtoforwardallinformation relatedtotheapprovalprojecttotheFederalCommunicationCommissionand todiscussanyissuesconcerningtheapprovalapplication.Anyandallacts carriedoutbyLGAITechnologicalCenterS.A.onourbehalfshallhavethe sameeffectasactsofourown. Name:SmileZhouDate:Aug.302022 Title:manager Signatureofapplicant:

C5266091_X10_Ed.2 1/1 ShenzhenCBTEnterpriseCo.,Ltd OfficeofEngineeringTechnology FederalCommunicationsCommission 7435OaklandMillsRoad Columbia,MD21046 Date:Aug.302022 Subject:RequestforConfidentiality FCCID:2A8IZ-VB030 ToWhomItMayConcern, PursuanttotheprovisionsofSections0.457and0.459ofCommission'srules (47CFR0.457,0.459),wearerequestingtheCommissiontowithholdthefollowing attachment(s)asconfidentialdocumentfrompublicdisclosure. ExhibitsLong-Term Confidentiality Short-Term Confidentiality NOTE2 IDLabel/LocationNoNo AttestationStatementNoNo ExternalPhotosNo ☐ BlockDiagram ☒☐ Schematics ☒☐ TestReportNoNo TestSetupPhotosNo ☐ User’sManual ☐ NOTE 1 ☐ InternalPhotos ☐ NOTE 1 ☐ PartsList/TuneUp ☐☐ RFExposureInfoNoNo OperationalDescription ☒☐ CoverLetter(s)NoNo SDRSoftware/SecurityInfo ☐ No NOTE1:Long-TermConfidentialitymaybepermittedunderspecialconditions(SeeII.LONG-TERMCONFIDENTIALITY,Section3of KDB726920,uselastinforce) NOTE2:Short-TermConfidentialitycanberequestedforamaximumof180daysfromthedateofthegrant. Abovementioneddocumentcontainsdetailedsystemandequipmentdescriptionare consideredasproprietaryinformationinoperationoftheequipment.Thepublic disclosureofabovedocumentsmightbeharmfultoourcompanyandwouldgive competitoranunfairadvantageinthemarket. Incaseofshort-termConfidentiality,theapplicantrequeststheexhibitsselected abovearewithheldfrompublicviewforaperiodof______daysfromthedateofthe GrantofEquipmentAuthorizationandpriortomarketing. Itisourunderstandingthatallmeasurementtestreports,FCCIDlabelformatand correspondentduringcertificationreviewprocesscannotbegrantedasconfidential documentsandthoseinformationwillbeavailableforpublicreviewoncethegrantof equipmentauthorizationisissued. C5266091_X10_Ed.2 1/1 Sincerely, Signature: Name:SmileZhou Title:manager

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LabelandLabelLocation FCCID:2A8IZ-VB030

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FCCTestReport ReportNo:FCS202208093W01 Issuedfor Applicant: ShenzhenCBTEnterpriseCo.,Ltd Address: Floor3-01,FukangTechnologyBuilding,Building8,Fukang BusinessPlaza,FukangCommunity,LonghuaStreet, LonghuaDistrict,Shenzhen,Guangdong,China ProductName: Lithiumironphosphatebattery(LiFePO4Battery) BrandName: N/A ModelName: VB030 SeriesModel: VB037,VB025,VB026,VB029,VB038,VB028,VB101,VB102, VB103,VB104,VB007,VB031 FCCID: 2A8IZ-VB030 IssuedBy:FluxComplianceServiceLaboratory Add:Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-Tech Industrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com Page2of27ReportNo.:FCS202208093W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TESTRESULTCERTIFICATION Applicant’sName......................:ShenzhenCBTEnterpriseCo.,Ltd Address......................................: Floor3-01,FukangTechnologyBuilding,Building8,FukangBusiness Plaza,FukangCommunity,LonghuaStreet,LonghuaDistrict, Shenzhen,Guangdong,China Manufacture'sName................:JiangsuChuangyouJiaNewEnergyTechnologyCo.,Ltd Address......................................: No.6,XinyeRoad,NingjiangIndustrialPark,SuiningCounty,Xuzhou CityJiangsuprovince ProductDescription ProductName...........................:Lithiumironphosphatebattery(LiFePO4Battery) BrandName.............................:N/A ModelName .............................. :VB030 SeriesModel..............................: VB037,VB025,VB026,VB029,VB038,VB028,VB101,VB102,VB103, VB104,VB007,VB031 TestStandards .......................... :FCCRulesandRegulationsPart15SubpartC,Section249 TestProcedure .......................... :ANSIC63.10:2013 ThisdevicedescribedabovehasbeentestedFCS,thetestresultsshowthattheequipmentundertest (EUT)isincompliancewiththeFCCrequirements.Anditisapplicableonlytothetestedsampleidentifiedin thereport. Thisreportshallnotbereproducedexceptinfull,withoutthewrittenapprovalofFCS,thisdocumentmaybe alteredorrevisedbyFCS,personalonly,andshallbenotedintherevisionofthedocument.. DateofTest .................................. : Date(s)ofperformanceoftests . :14Aug.2022~18Aug.2022 DateofIssue.................................:18Aug.2022 TestResult.....................................:Pass Testedby: (ScottShen) Reviewedby : (DukeQian) Approvedby: (JackWang) Page3of27ReportNo.:FCS202208093W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Tel:769-27280901Fax:769-27280901http://www.fcs-lab.com TableofContentsPage 1.SUMMARYOFTESTRESULTS..............................................................................................5 1.1TESTFACTORY................................................................................................................6 1.2MEASUREMENTUNCERTAINTY.....................................................................................6 2.GENERALINFORMATION.......................................................................................................7 2.1GENERALDESCRIPTIONOFTHEEUT..........................................................................7 2.2DESCRIPTIONOFTHETESTMODES............................................................................9 2.3DESCRIPTIONOFNECESSARYACCESSORIESANDSUPPORTUNITS................10 2.4EQUIPMENTSLIST.........................................................................................................11 3.RADIATEDEMISSIONMEASUREMENT..............................................................................12 3.1LIMIT................................................................................................................................12 3.2TESTPROCEDURE........................................................................................................13 3.3TESTSETUP...................................................................................................................14 3.4TESTRESULTS...............................................................................................................15 4.BANDEDGETEST.................................................................................................................21 4.1LIMIT................................................................................................................................21 4.2TESTPROCEDURE........................................................................................................21 4.3TESTSETUP...................................................................................................................22 4.4TESTRESULTS...............................................................................................................23 5.20DBBANDWIDTHTEST.....................................................................................................24 5.1LIMIT................................................................................................................................24 5.2TESTPROCEDURE........................................................................................................24 5.3TESTSETUP...................................................................................................................24 5.4TESTRESULTS...............................................................................................................25 6.ANTENNAREQUIREMENT...................................................................................................27 6.1STANDARDREQUIREMENT..........................................................................................27 6.2EUTANTENNA................................................................................................................27 Page4of27ReportNo.:FCS202208093W01 FluxComplianceServiceLaboratory Room105FloorBaohaoTechnologyBuilding1NO.15GongyeWestRoadHi-TechIndustrial,SongshanlakeDongguan Te…

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ProductName：2.4GHzAntenna 0.2cm 0.4cm 0.4cm 1.5cm 1.1cm 2.2cm 25.2cm MT-22-008REV1.0 RFAntennaCableAssembly Specification 1.ElectricalProperties 1.1FrequencyRange........................2.4GHz-2.5GHz 1.2Impedance.................................50ΩNominal 1.3VSWR..........................................1.92:1MAX 1.4ReturnLoss.................................-10dBMax 1.5Gain(peak).................................2dBi 1.6Cableloss....................................0.3dBiMax 1.7Polarization.................................LinearVertical 1.8AdmittedPower..............................2W 1.9Cable..........................................O.D1.13mm 1.10Conn..........................................IPEX 2.PhysicalProperties: 2.1AntennaMaterial.................................PCB 2.4OperatingTemp..............................-20°C-+65°C 2.5StorageTemp.................................-30°C-+75°C 2.6Color.............................................BLACK MT-22-008REV1.0 RFAntennaAssembly SPEC:2.4~2.5GHz 1.Standingwaveratio 2.Efficiency MT-22-008REV1.0 3Dpattern

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