2BHSU-Z4electric scooter

Electric Scooter Z4 User Manual Thank you for your choice, please read this manual before using this product. Why Is It Necessary To Read This Manual Before Operating? 1. This manual is a general manual for the series of Z4 products. 2. This manual was written to help you understand the proper use and maintenance of the line of Electric Scooter. 3.It is important to understand the functions and features of the new before operating it as it will allow you to enjoy it from every ride. Contents 1. What's Included ············································· 2. Product Overview ······································ 3. Battery Charging ············································ 4. Riding Basics ················································ 5. Folding ························································· 6. Product Parameters ··································· 7. Safety Instructions ····································· 8. Security Reminder ····································· 9. Daily Care and Maintenance ························ 01 02 03~10 11 12 13 14~15 16~19 20~21 22~23 Wha t’s Included accessory： Charger Toolkit User Manual 02 S18-S21 1PC S17-S19 1PC S10-S13 1PC S18S21 S17S19 S10S13 S5*16 S2.5 S3 S4 S5 S6 S8 Assembled Electric Scooter Pr oduct Over view 03 kickstand Rear mudguard Rear motor Rear tire Rear shock absorption Front Light Front mudguard Front shock absorber Front tire Handle grip Brake lever Display Colored Light Front motor (** Only for senior pro dual motors version **) Taillight Battery compartment Folding switch Brake Lever Brake lever Accelerator Instrument Handle grip Handle grip Control Panel 04 Functional controller Locking key Control Panel/Switch/Accelerator 05 If you experience any error code on the screen, contact us for support. 06 ➀ Brake incident ➁ Left turn signal light ➂ Non zero startup ➃ Single drive / Dual drive (** Only for senior pro dual motors version **) ➄ Drive mode switch ➅ Voltage ➆ Battery level display ➇ The headlamps ➈ Speed ➉ Right turn signal light ⑪ Speed unit ⑫ Gear ⑬ ODO / Trip / Error code ⑭ Cruise control ⑮ Pedestrian mode ⑯ Headlight switch ⑰ Horn switch ⑱ Upshift ⑲ Downshift ⑳ Power button ㉑ Function keys ㉒ Turn signal switch ㉓ Acceleration throttle （Press down to accelerate） 07 1. Gear switching: Click the "+" or "-" keys to switch between 1/2/3 gear modes; Short click the "M" button to switch Single/Dual mode; (** Only for senior pro dual motors version **) 2. Turning on and off the lighting: Click the button to turn on/off the headlight lighting; 3. Unit switching: Long press the "M" key to enter menu P01, switch between kilometer units (KM/H) and mile units (MPH); 4. Turn on/off cruise control: Long press the "M" key to enter menu P05, where 1 indicates on and 0 indicates off of cruise control function. The instrument panel displays cruise control The icon represents that the cruise control function has been turned on, and if the instrument panel does not display the cruise control icon, it means that the cruise control function has been turned off; Functional Operation •To enter the settings, hold the “M” button for about 3 seconds. •Press the “M” button to cycle between P01, P05, P06, P99, and ODO. 08 6. Mileage and Time Switching: The display screen automatically switches between TRIP (Single Mileage) and ODO (Total Mileage); 7. Restore factory settings parameters: After booting up, long press the "M" key to enter menu P99, and long press the "+" key for about 5 seconds to retore factorey settings. 8. Clear the total mileage: After powering on, press and hold the “M” button to enter the ODO menu. Then, press and hold the “+” button for 5 seconds to clear the accumulated mileage. 5. Switching of startup mode: Long press the "M" key to enter menu P06, switch from 0 to zero start and 1 to non-zero start (default zero start); 09 Disc Brake Adjustment To adjust the brake cable: You need a hex wrench to loosen the bolt on the cable clamp. • If the disc brake is dragging, slide the arm of the clamp backward along the cable while holding the cable in one hand. Then, retighten the bolt on the brake clamp. • If the disc brake does not work efficiently, the cable is slack. You need to slide the arm of the clamp forward along the cable while holding the cable in one hand. Then, retighten the bolt on the brake cable clamp. To eliminate brake noise: 1. Loosen the two brake caliper mounting bolts (not the bolt on the cable clamp). 2. Reposition the brake caliper to ensure the brake rotor is centered between the brake pads. 3. Retighten the mounting bolts. Meaning of v ehicle status codes 10 Code 3E/13E 4E 5E 6E/16E 7E 8E/18E 10E 15E Fault Rear/Front motor failure Low volt age protection Brake lever failure Rear/Front motor hall failure Accelerator failure Rear/Front controller failure Communication sending failure Communication receiving failure Diagnostic Step Check whether the motor wires are connected properly or whether the colored wires are connected incorr ectly . After the system is powered on, check whether the brakes are working properly. Check whether the motor wires are connected properly or whether the colored wires are connected incorr ectly . Check if the accelerator is reset. Controller failure The controller cannot receive the instrument signal. Check whether the yellow line of the controller is connected properly. The instrument cannot receive the signal from the controller.Check whether the green line of the controller is connected properly. Solution If there is no problem with each circuit, the motor needs to be replaced. If the brake signal is less than 0.75V for a long period of time, the brake lever needs to be replaced. If there is no problem with each circuit, the motor needs to be replaced. After the accelerator is reset, if the handlebar signal is still less than 0.75V, the accelerator needs to be replaced. Replace controller Replace meter Replace controller (** Front motor only avaliable on senior pro dua…

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FCCID:2BHSU-Z4 ExternalPhotosoftheEUT Fig.1 Fig.2 FCCID:2BHSU-Z4 Fig.3 Fig.4 FCCID:2BHSU-Z4 Fig.5 Fig.6 FCCID:2BHSU-Z4 Fig.7

FCCID:2BHSU-Z4 labelandlocation Fig.1 FCCID:2BHSU-Z4 electricscooter Model:Z4 Input:DC54.6V/2A YongKangSumeideIndustryAndTradeCo.,Ltd

FCCID:2BHSU-Z4 InternalPhotosoftheEUT Fig.1 Fig.2 FCCID:2BHSU-Z4 Fig.3 Fig.4 FCCID:2BHSU-Z4 Fig.5 Fig.6 Bluetooth Antenna FCCID:2BHSU-Z4 Fig.7 Fig.8

ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. 101#,BuildingK&BuildingT,TheSecondIndustrialZone,JiazitangCommunity, FenghuangStreet,GuangmingDistrict,Shenzhen,China RFExposureevaluation ReportReferenceNo........................: FCCID.................................................: GRCTR250802052-02 2BHSU-Z4 Compiledby (position+printedname+signature) .. : TestingEngineerJimmyWang Supervisedby (position+printedname+signature)..: ProjectEngineerKelleyZhang Approvedby (position+printedname+signature)..: ManagerSamWang Dateofissue.........................................:Sep.09,2025 TestingLaboratoryName................:ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. Address ................................................. : 101#,BuildingK&BuildingT,TheSecondIndustrialZone, JiazitangCommunity,FenghuangStreet,GuangmingDistrict, Shenzhen,China Applicant’sname ............................... :YongKangSumeideIndustryAndTradeCo.,Ltd Address.................................................: ThefirstfloorofNo.5Workshop,No.661,JiuzhouWest Road,YongkangEconomicDevelopmentZone,Jinhua,Zhejiang, China Testspecification..............................: Standard................................................: 47CFR§2.1093 KDB447498v06 ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerand sourceofthematerial.ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.takesno responsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader'sinterpretationofthe reproducedmaterialduetoitsplacementandcontext. Testitemdescription........................:electricscooter TradeMark............................................: / Manufacturer.........................................: YongKangSumeideIndustryAndTradeCo.,Ltd Model/Typereference.........................: Z4 ListedModels ...................................... : / HardwareVersion ............................... : V1.0 SoftwareVersion..................................: V1.0 Frequency..............................................From2402MHzto2480MHz Ratings...................................................:54.6V2.0A(chargedbyPowerAdapter)or 48.0V23.0Ah(ByLi-ionrechargeablebattery) Result ..................................................... :PASS ReportNo.:GRCTR250802052-02Page2of8 TESTREPORT EquipmentunderTest:electricscooter Model/Type:Z4 ListedModels:/ Applicant : YongKangSumeideIndustryAndTradeCo.,Ltd Address:ThefirstfloorofNo.5Workshop,No.661,JiuzhouWest Road,YongkangEconomicDevelopmentZone,Jinhua,Zhejiang, China Manufacturer : YongKangSumeideIndustryAndTradeCo.,Ltd Address: ThefirstfloorofNo.5Workshop,No.661,JiuzhouWest Road,YongkangEconomicDevelopmentZone,Jinhua,Zhejiang, China TestResult : PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:GRCTR250802052-02Page3of8 Contents 1.SUMMARY...............................................................................................................................................4 1.1.GeneralRemarks.........................................................................................................................................4 1.2.ProductDescription....................................................................................................................................4 1.3.EquipmentUnderTest................................................................................................................................4 1.4.ShortdescriptionoftheEquipmentunderTest(EUT)............................................................................4 1.5.Modifications................................................................................................................................................4 2.TESTENVIRONMENT.......................................................................................................................5 2.1.Addressofthetestlaboratory...................................................................................................................5 2.2.TestFacility..................................................................................................................................................5 2.3.Environmentalconditions...........................................................................................................................5 2.4.Statementofthemeasurementuncertainty.............................................................................................5 3.METHODOFMEASUREMENT.....................................................................................................7 3.1.ApplicableStandard....................................................................................................................................7 3.2.Requirement.................................................................................................................................................7 3.3.Manufacturingtolerance.............................................................................................................................7 4.EVALUATIONRESULT....................................................................................................................7 5.CONCLUSION........................................................................................................................................8 ReportNo.:GRCTR250802052-02Page4of8 1.SUMMARY 1.1.GeneralRemarks Dateofreceiptoftestsample:Aug.21,2025 Testingcommencedon:Aug.21,2025 Testingconcludedon: Sep.09,2025 1.2.ProductDescription ProductName: electricscooter Model/Typereference:Z4 ListedModels:/ Powersupply: 54.6V2.0A(chargedbyPowerAdapter)or 48.0V23.0Ah(ByLi-ionrechargeablebattery) AdapterInformation: Model:SJT-8007-5460200 Input:AC100-240V…

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Antennaspec 1.AntennaDescription: AntennatypePCBAntenna ModelBT7L Frequencyrange2400MHz~2500MHz ManufacturerHangzhouTuyaInformationTechnologyCo.,Ltd AddressRoom701,Building3,MoreCenter,No.87GuDunRoad, Hangzhou,Zhejiang,China 2.AntennaPhoto: Unit:mm 3.AntennaEfficiencyandGain: RadiationPattern

ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. 101#,BuildingK&BuildingT,TheSecondIndustrialZone,JiazitangCommunity, FenghuangStreet,GuangmingDistrict,Shenzhen,China FCCPART15SUBPARTCTESTREPORT FCCPART15.247 ReportReferenceNo........................: FCCID.................................................: GRCTR250802052-01 2BHSU-Z4 Compiledby (position+printedname+signature) .. : TestingEngineerJimmyWang Supervisedby (position+printedname+signature)..: ProjectEngineerKelleyZhang Approvedby (position+printedname+signature)..: ManagerSamWang Dateofissue.........................................:Sep.09,2025 TestingLaboratoryName................: ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd. Address ................................................. : 101#,BuildingK&BuildingT,TheSecondIndustrialZone,Jiazitang Community,FenghuangStreet,GuangmingDistrict,Shenzhen, China Applicant’sname...............................: YongKangSumeideIndustryAndTradeCo.,Ltd Address.................................................: ThefirstfloorofNo.5Workshop,No.661,JiuzhouWest Road,YongkangEconomicDevelopmentZone,Jinhua,Zhejiang, China Testspecification .............................. : Standard................................................:FCCPart15.247 ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.Allrightsreserved. Thispublicationmaybereproducedinwholeorinpartfornon-commercialpurposesaslongasthe ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.isacknowledgedascopyrightownerand sourceofthematerial.ShenzhenGUORENCertificationTechnologyServiceCo.,Ltd.takesno responsibilityforandwillnotassumeliabilityfordamagesresultingfromthereader'sinterpretationofthe reproducedmaterialduetoitsplacementandcontext. Testitemdescription ........................ : electricscooter TradeMark ............................................ : / Manufacturer.........................................: YongKangSumeideIndustryAndTradeCo.,Ltd Model/Typereference ......................... : Z4 ListedModels ...................................... : / FirmwareVersion.................................:V1.0 HardwareVersion ................................ :V1.0 Modulation ........................................... : GFSK Frequency.............................................. From2402MHzto2480MHz Ratings...................................................: 54.6V2.0A(chargedbyPowerAdapter)or 48.0V23.0Ah(ByLi-ionrechargeablebattery) Result.....................................................: PASS ReportNo.:GRCTR250802052-01Page 2 of 35 TESTREPORT EquipmentunderTest:electricscooter Model/Type:Z4 ListedModels:/ Applicant : YongKangSumeideIndustryAndTradeCo.,Ltd Address: ThefirstfloorofNo.5Workshop,No.661,JiuzhouWest Road,YongkangEconomicDevelopmentZone,Jinhua,Zhejiang, China Manufacturer : YongKangSumeideIndustryAndTradeCo.,Ltd Address: ThefirstfloorofNo.5Workshop,No.661,JiuzhouWest Road,YongkangEconomicDevelopmentZone,Jinhua,Zhejiang, China TestResult:PASS Thetestreportmerelycorrespondstothetestsample. Itisnotpermittedtocopyextractsofthesetestresultwithoutthewrittenpermissionofthetest laboratory. ReportNo.:GRCTR250802052-01Page 3 of 35 Contents 1TESTSTANDARDS..............................................................................................................................4 2SUMMARY.................................................................................................................................................5 2.1GeneralRemarks..........................................................................................................................................5 2.2ProductDescription.....................................................................................................................................5 2.3EquipmentUnderTest.................................................................................................................................5 2.4ShortdescriptionoftheEquipmentunderTest(EUT).............................................................................5 2.5EUToperationmode.....................................................................................................................................6 2.6BlockDiagramofTestSetup.......................................................................................................................6 2.7RelatedSubmittal(s)/Grant(s)...................................................................................................................6 2.8Modifications.................................................................................................................................................6 3TESTENVIRONMENT........................................................................................................................7 3.1Addressofthetestlaboratory....................................................................................................................7 3.2TestFacility...................................................................................................................................................7 3.3Environmentalconditions............................................................................................................................7 3.4Summaryofmeasurementresults..............................................................................................................8 3.5Statementofthemeasurementuncertainty..............................................................................................8 3.6EquipmentsUsedduringtheTest..............................................................................................................9 4TESTCONDITIONSANDRESULTS.......................................................................................10 4.1ACPowerConductedEmission................................................................................................................10 4.2RadiatedEmissionsandBandEdge....................................…

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FCCID:2BHSU-Z4 TestSetupPhotosoftheEUT TestSetupPhoto(s)ofRadiatedEmissionsMeasurement Fig.1 Fig.2 FCCID:2BHSU-Z4 TestSetupPhoto(s)ofConductedEmissionsMeasurement Fig.3 TestSetupPhoto(s)ofRFMeasurement Fig.4