2AYT3-CHARGER2DC-DC Charger

CHARGER 2 DC-DC Charger User Manual V1.0 Important Instructions • For optimal performance, update your unit to the latest firmware before first use. • Read and understand this manual before use and keep it handy for future reference. Legal Information Copyright © 2025 Shenzhen PowerOak Newener Co., Ltd. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without the prior written consent of Shenzhen PowerOak Newener Co., Ltd. Notice BLUETTI's products, services, and features are subject to the agreed-upon terms and conditions during purchase. Please note that some products, services, or features described in this manual may not be available under your purchase contract. Unless otherwise specified in the contract, BLUETTI makes no represen- tations or warranties of any kind, express or implied, with respect to the contents of this manual. The contents of this manual are subject to change without notice. Please get the latest version f rom: https://www.bluettipower.com/pages/user-guides If you have any questions or concerns about this manual, please contact BLUETTI support for further assistance. Shenzhen PowerOak Newener Co., Ltd. F19, BLD No.1, Kaidaer, Tongsha RD No.168, Xili street, Nanshan, Shenzhen, China Website: https://www.bluettipower.com Contents 1 2 3 4 5 6 7 8 FAQs (Frequently Asked Questions) 05 05 05 06 07 09 09 09 11 12 13 14 15 16 17 17 18 19 Safety Information 1.1 Important Guidelines 1.2 Important Safety Instructions 1.3 Operation Guidelines Packing List Get to Know Your Charger 2 3.1 Dimensions 3.2 Introduction 3.3 Overview Installation Wiring 5.1 Connecting to BLUETTI Products 5.2 Connecting to Other Inputs 5.3 Connecting to Hub D1 Power Button Indicator Specifications Troubleshooting 1. Safety Information 1.1 Important Guidelines For optimal performance and safety, please follow these essential guidelines: • Read all instructions and warnings for the Charger 2, car battery, and BLUETTI products. • Always operate and store the product in the conditions specified in this manual. • Ensure the product is used in compliance with all relevant standards and regulations. • Use a standard 12 V or 24 V car battery, or two 12 V batteries connected in series. • Make sure the product's output voltage falls within the portable power station's DC input voltage. • Warning: Use conductors with insulation rated for at least 120°C (248°F). Base the conductor ampacity on a maximum termination temperature of 80°C (176°F). BLUETTI is not liable for the following situations or any resulting consequences: • Damage caused by natural disasters, including earthquakes, fires, floods, storms, or mudslides. • Damage that occurs during customer-handled transportation. • Issues caused by improper storage or use outside the conditions specified in this manual. • Damage caused by customer negligence, misuse, or intentional harm. • Damage caused by third-party actions, including improper handling, usage, or installation not in line with this manual. • Damage or issues caused by unauthorized adjustments, modifications, or removal of product labels. • Damage or negative outcomes resulting f rom powering non-BLUETTI products. • Accidents or safety concerns arising f rom using the product in critical applications, such as nuclear, aviation, or medical fields, where high reliability is essential for personal safety or operation. 1.2 Important Safety Instructions Save these instructions – This manual contains important safety instructions. • WARNING – A battery can present a risk of electrical shock, burn f rom high short-circuit current, fire or explosion f rom vented gases. Observe proper precautions. • WARNING – This unit employs components that tend to produce arcs or sparks – to prevent fire or explosion, do not install in compartments containing batteries or flammable materials. Before using this product, please read the manual carefully and follow all safety instructions. Pay close attention to the Warnings, Attentions, Cautions, Notes, and other safety labels in the manual and on the product itself. If you have any questions or encounter a situation not addressed in this manual, please contact us. Improper use or unauthorized operation may result in damage or injury, which is not covered by the warranty. Always Share Excellence05 EN • WARNING – Disconnect supply before changing fuse. • WARNING – Disconnect all sources of supply before servicing. • CAUTION – To reduce the risk of fire, use only battery packs that include the battery management system and all necessary protection for the battery pack integral to the pack. • CAUTION – To prevent fire, do not cover or obstruct ventilation openings. Do not mount in zero-clearance compartment. Overheating may result. • Proper disposal of batteries is required. Refer to your local codes for disposal requirements. • Replace only with same type and ratings of fuse. • Always turn off the vehicle before installation or any electrical work. • Do not clean the product with water. • Keep the product away f rom heat sources and high temperatures. • Never use the product near open flames, explosive gases, or in environments with smoke, vapors, or other hazardous conditions. • Do not store or use the product in environments with salt fog or high humidity. • Do not contact with any metal tools or objects while the product is in operation. • Always ensure the product is completely dry before use. • Store and use the product in a cool, dry place with good ventilation. • Do not open or modify the product yourself. Only qualified personnel should perform repairs or replace parts using BLUETTI-approved components and cables to prevent the risk of fire, electric shock, or other personal injury. • Stop using the product immediately in case of malfunction. • Regularly inspect the product and its accessories for damage or deterioration. If the product's shell is cracked, do not use it and contact BLUETTI support or your lo…

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EUTINTERNALPHOTOGRAPHS ANTENNA ----------------Theend----------------

TESTSETUPPHOTOGRAPHS 1.1.PhotosofRadiationEmissionMeasurement SpuriousEmissionTestSetup(Below1GHz) SpuriousEmissionTestSetup(Above1GHz) ----------------Theend----------------

ReportNo.ENS2504290325W00902RPage36of69Ver.1.0 11N20SISO-Ant1-2412-PASS 11N20SISO-Ant1-2437-PASS 11N20SISO-Ant1-2462-PASS ReportNo.ENS2504290325W00902RPage37of69Ver.1.0 11N40SISO-Ant1-2422-PASS 11N40SISO-Ant1-2437-PASS 11N40SISO-Ant1-2452-PASS ReportNo.ENS2504290325W00902RPage38of69Ver.1.0 8.5UNWANTEDEMISSIONSINNON-RESTRICTEDFREQUENCYBANDS 8.5.1ApplicableStandard AccordingtoFCCPart15.247(d)andKDB558074D0115.247MeasGuidancev05r02 AccordingtoRSS-247,5.5 8.5.2ConformanceLimit AccordingtoFCCPart15.247(d): Inany100kHzbandwidthoutsidethefrequencybandinwhichthespreadspectrumordigitally modulateddeviceisoperating,theRFpowerthatisproducedshallbeatleast20dBbelowthatinthe100 kHzbandwidthwithinthebandthatcontainsthehighestlevelofthedesiredpower,basedoneitheranRF conductedoraradiatedmeasurement,providedthatthetransmitterdemonstratescompliancewiththe peakconductedpowerlimits.Ifthetransmittercomplieswiththeconductedpowerlimitsbasedontheuse ofroot-mean-squareaveragingoveratimeinterval,aspermittedundersection5.4(d),theattenuation requiredshallbe30dBinsteadof20dB.Attenuationbelowthegeneralfieldstrengthlimitsspecified inRSS-Genisnotrequired. 8.5.3TestConfiguration Testaccordingtoclause6.1radiofrequencytestsetup 8.5.4TestProcedure Thetransmitteroutput(antennaport)wasconnectedtothespectrumanalyzer Referencelevelmeasurement Establishareferencelevelbyusingthefollowingprocedure: SetinstrumentcenterfrequencytoDTSchannelcenterfrequency. Setthespanto≥1.5timestheDTSbandwidth. SettheRBW=100kHz. SettheVBW≥3xRBW. SetDetector=peak. SetSweeptime=autocouple. SetTracemode=maxhold. Allowtracetofullystabilize. UsethepeakmarkerfunctiontodeterminethemaximumPSDlevel. NotethatthechannelfoundtocontainthemaximumPSDlevelcanbeusedtoestablishthereference level. Band-edgemeasurement Usethefollowingspectrumanalyzersettings: Span=wideenoughtocapturethepeakleveloftheemissionoperatingonthechannelclosesttothe band-edge,aswellasanymodulationproductswhichfalloutsideoftheauthorizedbandofoperation SetRBW  1%ofthespan=100kHzSetVBW  3xRBW SetSweep=autoSetDetectorfunction=peakSetTrace=maxhold Allowthetracetostabilize.Setthemarkerontheemissionatthebandedge,oronthehighest modulationproductoutsideoftheband,ifthislevelisgreaterthanthatatthebandedge.Enablethe marker-deltafunction,thenusethemarker-to-peakfunctiontomovethemarkertothepeakofthein-band emission.Themarker-deltavaluenowdisplayedmustcomplywiththelimitspecifiedinthisSection. Emissionlevelmeasurement Setthecenterfrequencyandspantoencompassfrequencyrangetobemeasured. SettheRBW=100kHz. SettheVBW=300kHz. SetDetector=peak Sweeptime=autocouple. Tracemode=maxhold. Allowtracetofullystabilize. Usethepeakmarkerfunctiontodeterminethemaximumamplitudelevel. Ensurethattheamplitudeofallunwantedemissionsoutsideoftheauthorizedfrequencyband(excluding restrictedfrequencybands)areattenuatedbyatleasttheminimumrequirements.Reportthethree highestemissionsrelativetothelimit. ReportNo.ENS2504290325W00902RPage39of69Ver.1.0 8.5.5ATestResults Temperature: 24.7 ̊ C RelativeHumidity: 47  ATMPressure:1011mbar TestEngineer:GJ Note:N/A Bandedgemeasurements TestModeAntennaChName Frequency [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 11BAnt1Low24128.50-34.78≤-21.5PASS 11BAnt1High24629.22-43≤-20.78PASS 11GAnt1Low24125.53-28.35≤-24.47PASS 11GAnt1High24626.31-33.66≤-23.69PASS 11N20SIS O Ant1Low24124.47-30.02≤-25.53PASS 11N20SIS O Ant1High24625.24-33.93≤-24.76PASS 11N40SIS O Ant1Low24221.80-29.82≤-28.2PASS 11N40SIS O Ant1High24521.98-35.78≤-28.02PASS ReportNo.ENS2504290325W00902RPage40of69Ver.1.0 11B-Ant1-2412-PASS 11B-Ant1-2462-PASS 11G-Ant1-2412-PASS ReportNo.ENS2504290325W00902RPage41of69Ver.1.0 11G-Ant1-2462-PASS 11N20SISO-Ant1-2412-PASS 11N20SISO-Ant1-2462-PASS ReportNo.ENS2504290325W00902RPage42of69Ver.1.0 11N40SISO-Ant1-2422-PASS 11N40SISO-Ant1-2452-PASS ReportNo.ENS2504290325W00902RPage43of69Ver.1.0 ConductedSpuriousEmission TestModeAntennaFrequency[MHz] FreqRange [Mhz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict 11BAnt124120~Reference8.538.53---PASS 11BAnt1241230~10008.53-54.17≤-21.47PASS 11BAnt124121000~265008.53-38.25≤-21.47PASS 11BAnt124370~Reference8.608.60---PASS 11BAnt1243730~10008.60-55.5≤-21.4PASS 11BAnt124371000~265008.60-41.29≤-21.4PASS 11BAnt124620~Reference9.259.25---PASS 11BAnt1246230~10009.25-54.52≤-20.75PASS 11BAnt124621000~265009.25-43.73≤-20.75PASS 11GAnt124120~Reference5.615.61---PASS 11GAnt1241230~10005.61-53.85≤-24.39PASS 11GAnt124121000~265005.61-48.43≤-24.39PASS 11GAnt124370~Reference5.555.55---PASS 11GAnt1243730~10005.55-55.4≤-24.45PASS 11GAnt124371000~265005.55-48.9≤-24.45PASS 11GAnt124620~Reference6.326.32---PASS 11GAnt1246230~10006.32-54.45≤-23.68PASS 11GAnt124621000~265006.32-47.95≤-23.68PASS 11N20SISOAnt124120~Reference4.464.46---PASS 11N20SISOAnt1241230~10004.46-54.9≤-25.54PASS 11N20SISOAnt124121000~265004.46-50.44≤-25.54PASS 11N20SISOAnt124370~Reference4.524.52---PASS 11N20SISOAnt1243730~10004.52-55.32≤-25.48PASS 11N20SISOAnt124371000~265004.52-49.71≤-25.48PASS 11N20SISOAnt124620~Reference5.255.25---PASS 11N20SISOAnt1246230~10005.25-55.25≤-24.75PASS 11N20SISOAnt124621000~265005.25-50.09≤-24.75PASS 11N40SISOAnt124220~Reference1.801.80---PASS 11N40SISOAnt1242230~10001.80-53.4≤-28.2PASS 11N40SISOAnt124221000~265001.80-49.09≤-28.2PASS 11N40SISOAnt124370~Reference1.661.66---PASS 11N40SISOAnt1243730~10001.66-52.29≤-28.34PASS 11N40SISOAnt124371000~265001.66-49.25≤-28.34PASS 11N40SISOAnt124520~Reference2.072.07---PASS 11N40SISOAnt1245230~10002.07-52.67≤-27.93PASS 11N40SISOAnt124521000~265002.07-49.25≤-27.93PASS ReportNo.ENS2504290325W00902RPage44of69Ver.1.0 11B-Ant1-2412-0~Reference-PASS 11B-Ant1-2412-30~1000-PASS 11B-Ant1-2412-1000~26500-PASS ReportNo.ENS2504290325W00902RPage45of69Ver.1.0 11B-Ant1-2437-0~Reference-PASS 11B-Ant1-2437-30~1000-PASS 11B-Ant1-2437-1000~26500-PASS ReportNo.ENS2504290325W00902RPage46of69Ver.1.0 11B-Ant1-2462-0~Reference-PASS 11B-Ant1-2462-30~1000-PASS 11B-Ant1-2462-1000~26500-PASS ReportNo.ENS2504290325W00902RPage47of69Ver.1.0 11G-Ant1-2412-0~Reference-P…

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ReportNo.ENS2504290325W00902RPage1of69Ver.1.0 TESTREPORT ProductName:DC-DCCharger ModelNumber:CHARGER2 FCCID:2AYT3-CHARGER2 IC:29079-CHARGER2 Preparedfor:SHENZHENPOWEROAKNEWENERCO.,LTD Address:F19,BLDNo.1,KaidaerTongshaRdNo.168,XiliStreet, Nanshan,Shenzhen,China Preparedby:EMTEK(SHENZHEN)CO.,LTD. Address:Building69,MajialongIndustryZone,NanshanDistrict, Shenzhen,Guangdong,China Tel:(0755)26954280 Fax:(0755)26954282 ReportNumber:ENS2504290325W00902R Date(s)ofTests:October16,2025toNovember11,2025 Dateofissue:November12,2025 $二维码$ $ 印章 $ ReportNo.ENS2504290325W00902RPage2of69Ver.1.0 TABLEOFCONTENTS 1TESTRESULTCERTIFICATION.............................................................................................................3 2EUTTECHNICALDESCRIPTION............................................................................................................5 3SUMMARYOFTESTRESULT.................................................................................................................6 4TESTMETHODOLOGY............................................................................................................................7 4.1GENERALDESCRIPTIONOFAPPLIEDSTANDARDS...................................................................7 4.2MEASUREMENTEQUIPMENTUSED..............................................................................................7 4.3DESCRIPTIONOFTESTMODES.....................................................................................................8 5FACILITIESANDACCREDITATIONS......................................................................................................8 5.1FACILITIES.........................................................................................................................................9 5.2EQUIPMENT......................................................................................................................................9 5.3LABORATORYACCREDITATIONSANDLISTINGS.........................................................................9 6TESTSYSTEMUNCERTAINTY.............................................................................................................10 7SETUPOFEQUIPMENTUNDERTEST................................................................................................11 7.1RADIOFREQUENCYTESTSETUP1.............................................................................................11 7.2RADIOFREQUENCYTESTSETUP2.............................................................................................11 7.3CONDUCTEDEMISSIONTESTSETUP.........................................................................................14 7.4BLOCKDIAGRAMCONFIGURATIONOFTESTSYSTEM............................................................15 7.5SUPPORTEQUIPMENT..................................................................................................................15 8TESTREQUIREMENTS.........................................................................................................................16 8.1DTS6DBBANDWIDTH....................................................................................................................16 8.2DTS99%BANDWIDTH....................................................................................................................21 8.3MAXIMUMPEAKCONDUCTEDOUTPUTPOWER.......................................................................26 8.4MAXIMUMPOWERSPECTRALDENSITY.....................................................................................32 8.5UNWANTEDEMISSIONSINNON-RESTRICTEDFREQUENCYBANDS....................................38 8.6RADIATEDSPURIOUSEMISSION.................................................................................................56 8.7CONDUCTEDEMISSIONTEST......................................................................................................68 8.8ANTENNAAPPLICATION................................................................................................................69 ReportNo.ENS2504290325W00902RPage3of69Ver.1.0 1TESTRESULTCERTIFICATION Applicant:SHENZHENPOWEROAKNEWENERCO.,LTD Address: F19,BLDNo.1,KaidaerTongshaRdNo.168,XiliStreet,Nanshan,Shenzhen, China Manufacturer:SHENZHENPOWEROAKNEWENERCO.,LTD Address: F19,BLDNo.1,KaidaerTongshaRdNo.168,XiliStreet,Nanshan,Shenzhen, China EUT:DC-DCCharger ModelNumber:CHARGER2 Trademark: MeasurementProcedureUsed: APPLICABLESTANDARDS STANDARDTESTRESULT FCC47CFRPart2,SubpartJ FCC47CFRPart15,SubpartC PASS ICRSS-GEN,Issue5(04-2018)+A1(03-2019)+A2(02-2021) ICRSS-247Issue4(07-2025) PASS TheaboveequipmentwastestedbyEMTEK(SHENZHEN)CO.,LTD.Thetestdata,dataevaluation,test procedures,andequipmentconfigurationsshowninthisreportweremadeinaccordancewiththe proceduresgiveninANSIC63.10(2020)andtheenergyemittedbythesampleEUTtestedasdescribed inthisreportisincompliancewiththerequirementsofFCCRulesPart2,Part15.247,ICRSS-247Issue 4andICRSS-GEN,Issue5. Thetestresultsofthisreportrelateonlytothetestedsampleidentifiedinthisreport. DateofTest:October16,2025toNovember11,2025 Preparedby: GuangjunZhu/Editor Reviewer: JoeXia/ Supervisor Approve&AuthorizedSigner:LisaWang/Manager ReportNo.ENS2504290325W00902RPage4of69Ver.1.0 ModifiedHistory VersionReportNo.RevisionDateSummary Ver.1.0ENS2504290325W00902R/OriginalReport ReportNo.ENS2504290325W00902RPage5of69Ver.1.0 2EUTTECHNICALDESCRIPTION Characteristics Description Product: DC-DCCharger ModelNumber: CHARGER2 IEEE802.11WLAN ModeSupported: 802.11b 802.11g 802.11n(20MHzchannelbandwidth) 802.11n(40MHzchannelbandwidth) Modulation: DSSSwithDBPSK/DQPSK/CCKfor802.11b OFDMwithBPSK/QPSK/16QAM/64QAMfor802.11g/n OperatingFrequency Range: 2412-2462MHzfor802.11b/g/n(HT20); 2422-2452MHzfor802.11n(HT40); NumberofChannels: 11channelsfor802.11b/g/n(HT20); 7Channelsfor802.11n(HT40); AntennaPort:Antennaport1 AntennaType:Ant1:PCBAntenna AntennaGain: 3.37dBi (Note:Theantennainformationisprovidedbythemanufacturer,whichwill haveacertainimpactonthetestresults…

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ReportNo.ENS2504290325W00901RPage39of75Ver.1.0 TestModeAntennaFrequency[MHz]Result[dBm/3kHz]Limit[dBm/3kHz]Verdict BLE_1MAnt12402-7.46≤8.00PASS BLE_1MAnt12440-6.85≤8.00PASS BLE_1MAnt12480-7.22≤8.00PASS BLE_2MAnt12402-9.24≤8.00PASS BLE_2MAnt12440-8.46≤8.00PASS BLE_2MAnt12480-8.84≤8.00PASS BLE_125KAnt124020.24≤8.00PASS BLE_125KAnt124401.16≤8.00PASS BLE_125KAnt124800.76≤8.00PASS BLE_500KAnt124020.58≤8.00PASS BLE_500KAnt124401.31≤8.00PASS BLE_500KAnt124800.87≤8.00PASS ReportNo.ENS2504290325W00901RPage40of75Ver.1.0 BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE_1M-Ant1-2480-PASS ReportNo.ENS2504290325W00901RPage41of75Ver.1.0 BLE_2M-Ant1-2402-PASS BLE_2M-Ant1-2440-PASS BLE_2M-Ant1-2480-PASS ReportNo.ENS2504290325W00901RPage42of75Ver.1.0 BLE_125K-Ant1-2402-PASS BLE_125K-Ant1-2440-PASS BLE_125K-Ant1-2480-PASS ReportNo.ENS2504290325W00901RPage43of75Ver.1.0 BLE_500K-Ant1-2402-PASS BLE_500K-Ant1-2440-PASS BLE_500K-Ant1-2480-PASS ReportNo.ENS2504290325W00901RPage44of75Ver.1.0 8.6UNWANTEDEMISSIONSINNON-RESTRICTEDFREQUENCYBANDS 8.6.1ApplicableStandard AccordingtoFCCPart15.247(d) AccordingtoRSS-2475.5 Accordingto558074D0115.247MeasGuidancev05r02Section8.5 AccordingtoANSIC63.10Section11.11 8.6.2ConformanceLimit Inany100kHzbandwidthoutsidethefrequencybandinwhichthespreadspectrumordigitally modulatedintentionalradiatorisoperating,theradiofrequencypowerthatisproducedbytheintentional radiatorshallbeatleast20dBbelowthatinthe100kHzbandwidthwithinthebandthatcontainsthe highestlevelofthedesiredpower,basedoneitheranRFconductedoraradiatedmeasurement, providedthetransmitterdemonstratescompliancewiththepeakconductedpowerlimits.Ifthe transmittercomplieswiththeconductedpowerlimitsbasedontheuseofRMSaveragingoveratime interval,aspermittedunderparagraph(b)(3)ofthissection,theattenuationrequiredunderthis paragraphshallbe30dBinsteadof20dB. 8.6.3TestConfiguration Testaccordingtoclause7.1radiofrequencytestsetup1 8.6.4TestProcedure Thetransmitteroutput(antennaport)wasconnectedtothespectrumanalyzer Referencelevelmeasurement Establishareferencelevelbyusingthefollowingprocedure: SetinstrumentcenterfrequencytoDTSchannelcenterfrequency. Setthespanto=1.5timestheDTSbandwidth. SettheRBW=100kHz. SettheVBW≥3xRBW. SetDetector=peak. SetSweeptime=autocouple. SetTracemode=maxhold. Allowtracetofullystabilize. UsethepeakmarkerfunctiontodeterminethemaximumPSDlevel. NotethatthechannelfoundtocontainthemaximumPSDlevelcanbeusedtoestablishthereference level. Band-edgemeasurement Usethefollowingspectrumanalyzersettings: Span=wideenoughtocapturethepeakleveloftheemissionoperatingonthechannelclosesttothe band-edge,aswellasanymodulationproductswhichfalloutsideoftheauthorizedbandofoperation SetRBW  1%ofthespan=100kHzSetVBW  3xRBW SetSweep=autoSetDetectorfunction=peakSetTrace=maxhold Allowthetracetostabilize.Setthemarkerontheemissionatthebandedge,oronthehighest modulationproductoutsideoftheband,ifthislevelisgreaterthanthatatthebandedge.Enablethe marker-deltafunction,thenusethemarker-to-peakfunctiontomovethemarkertothepeakofthe in-bandemission.Themarker-deltavaluenowdisplayedmustcomplywiththelimitspecifiedinthis Section. Emissionlevelmeasurement Setthecenterfrequencyandspantoencompassfrequencyrangetobemeasured. SettheRBW=100kHz. SettheVBW=300kHz. SetDetector=peak Sweeptime=autocouple. ReportNo.ENS2504290325W00901RPage45of75Ver.1.0 Tracemode=maxhold. Allowtracetofullystabilize. Usethepeakmarkerfunctiontodeterminethemaximumamplitudelevel. Ensurethattheamplitudeofallunwantedemissionsoutsideoftheauthorizedfrequencyband(excluding restrictedfrequencybands)areattenuatedbyatleasttheminimumrequirements.Reportthethree highestemissionsrelativetothelimit. 8.6.5TestResults Temperature: 22.6 ̊ C RelativeHumidity: 49 ATMPressure:1011mbar TestEngineer:GJ Note:N/A Referencelevelmeasurement TestModeAntennaFreq(MHz)Max.Point[MHz]Result[dBm] BLE_1MAnt124022401.994.94 BLE_1MAnt124402439.995.97 BLE_1MAnt124802479.995.48 BLE_2MAnt124022402.005.31 BLE_2MAnt124402439.996.02 BLE_2MAnt124802480.005.76 BLE_125KAnt124022401.985.21 BLE_125KAnt124402439.995.94 BLE_125KAnt124802479.995.52 BLE_500KAnt124022401.995.13 BLE_500KAnt124402439.985.84 BLE_500KAnt124802479.985.42 Bandedgemeasurements TestModeAntennaChName Frequency [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt1Low24024.94-45.96≤-15.06PASS BLE_1MAnt1High24805.48-47.16≤-14.52PASS BLE_2MAnt1Low24025.31-42.93≤-14.69PASS BLE_2MAnt1High24805.76-47.42≤-14.24PASS BLE_125KAnt1Low24025.21-46.34≤-14.79PASS BLE_125KAnt1High24805.52-47.64≤-14.48PASS BLE_500KAnt1Low24025.13-45.82≤-14.87PASS BLE_500KAnt1High24805.42-47.43≤-14.58PASS ConductedSpuriousEmission TestModeAntenna Frequency [MHz] FreqRange [MHz] RefLevel [dBm] Result [dBm] Limit [dBm] Verdict BLE_1MAnt1240230~10004.94-62.87≤-15.06PASS BLE_1MAnt12402 1000~2650 0 4.94-55.98≤-15.06PASS BLE_1MAnt1244030~10005.97-62.62≤-14.03PASS BLE_1MAnt12440 1000~2650 0 5.97-56.02≤-14.03PASS BLE_1MAnt1248030~10005.48-63.37≤-14.52PASS BLE_1MAnt124801000~26505.48-53.87≤-14.52PASS ReportNo.ENS2504290325W00901RPage46of75Ver.1.0 0 BLE_2MAnt1240230~10005.31-62.89≤-14.69PASS BLE_2MAnt12402 1000~2650 0 5.31-55.14≤-14.69PASS BLE_2MAnt1244030~10006.02-62.85≤-13.98PASS BLE_2MAnt12440 1000~2650 0 6.02-55.34≤-13.98PASS BLE_2MAnt1248030~10005.76-62.94≤-14.24PASS BLE_2MAnt12480 1000~2650 0 5.76-53.54≤-14.24PASS BLE_125KAnt1240230~10005.21-62.87≤-14.79PASS BLE_125KAnt12402 1000~2650 0 5.21-55.28≤-14.79PASS BLE_125KAnt1244030~10005.94-63.62≤-14.06PASS BLE_125KAnt12440 1000~2650 0 5.94-55.51≤-14.06PASS BLE_125KAnt1248030~10005.52-62.7≤-14.48PASS BLE_125KAnt12480 1000~2650 0 5.52-53.87≤-14.48PASS BLE_500KAnt1240230~10005.13-63.5≤-14.87PASS BLE_500KAnt12402 1000~2650 0 5.13-55.46≤-14.87PASS BLE_500KAnt1244030~10005.84-63.23≤-14.16PASS BLE_500KAnt12440 1000~2650 0 5.84-55.8≤-14.16PASS BLE_500KAnt1248030~10005.42-63.05≤-14.58PASS BLE_500KAnt12480 1000~2650 0 5.42-53.29≤-14.58PASS ReportNo.ENS2504290325W00901RPage47of75Ver.1.0 Referencelevelmeasurement BLE_1M-Ant1-2402-PASS BLE_1M-Ant1-2440-PASS BLE…

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ReportNo.ENS2504290325W00901RPage1of75Ver.1.0 TESTREPORT ProductName：DC-DCCharger ModelNumber：CHARGER2 FCCID：2AYT3-CHARGER2 IC：29079-CHARGER2 Preparedfor:SHENZHENPOWEROAKNEWENERCO.,LTD Address:F19,BLDNo.1,KaidaerTongshaRdNo.168,XiliStreet, Nanshan,Shenzhen,China Preparedby:EMTEK(SHENZHEN)CO.,LTD. Address:Building69,MajialongIndustryZone,NanshanDistrict, Shenzhen,Guangdong,China Tel:(0755)26954280 Fax:(0755)26954282 ReportNumber:ENS2504290325W00901R Date(s)ofTests:October16,2025toNovember11,2025 Dateofissue:November12,2025 $二维码$ ReportNo.ENS2504290325W00901RPage2of75Ver.1.0 TableofContents 1TESTRESULTCERTIFICATION......................................................................................................................3 2EUTTECHNICALDESCRIPTION....................................................................................................................5 3SUMMARYOFTESTRESULT...........................................................................................................................6 4TESTMETHODOLOGY......................................................................................................................................7 4.1GENERALDESCRIPTIONOFAPPLIEDSTANDARDS.............................................................................7 4.2MEASUREMENTEQUIPMENTUSED.........................................................................................................7 4.3DESCRIPTIONOFTESTMODES.................................................................................................................8 5FACILITIESANDACCREDITATIONS.............................................................................................................9 5.1FACILITIES......................................................................................................................................................9 5.2EQUIPMENT....................................................................................................................................................9 5.3LABORATORYACCREDITATIONSANDLISTINGS.................................................................................9 6TESTSYSTEMUNCERTAINTY......................................................................................................................10 7SETUPOFEQUIPMENTUNDERTEST.........................................................................................................11 7.1RADIOFREQUENCYTESTSETUP1.........................................................................................................11 7.2RADIOFREQUENCYTESTSETUP2.........................................................................................................11 7.3CONDUCTEDEMISSIONTESTSETUP.....................................................................................................14 7.4BLOCKDIAGRAMCONFIGURATIONOFTESTSYSTEM....................................................................15 7.5SUPPORTEQUIPMENT...............................................................................................................................15 8TESTREQUIREMENTS....................................................................................................................................16 8.1ONTIMEANDDUTYCYCLE.....................................................................................................................16 8.2DTS6DBBANDWIDTH...............................................................................................................................21 8.3DTS99%BANDWIDTH...............................................................................................................................27 8.4MAXIMUMPEAKCONDUCTEDOUTPUTPOWER...............................................................................32 8.5MAXIMUMPOWERSPECTRALDENSITY..............................................................................................38 8.6UNWANTEDEMISSIONSINNON-RESTRICTEDFREQUENCYBANDS............................................44 8.7RADIATEDSPURIOUSEMISSION.............................................................................................................62 8.8CONDUCTEDEMISSIONSTEST...............................................................................................................74 8.9ANTENNAAPPLICATION...........................................................................................................................75 ReportNo.ENS2504290325W00901RPage3of75Ver.1.0 1TESTRESULTCERTIFICATION Applicant:SHENZHENPOWEROAKNEWENERCO.,LTD Address: F19,BLDNo.1,KaidaerTongshaRdNo.168,XiliStreet,Nanshan,Shenzhen, China Manufacturer:SHENZHENPOWEROAKNEWENERCO.,LTD Address: F19,BLDNo.1,KaidaerTongshaRdNo.168,XiliStreet,Nanshan,Shenzhen, China EUT:DC-DCCharger ModelName:CHARGER2 Trademark: MeasurementProcedureUsed: APPLICABLESTANDARDS STANDARDTESTRESULT FCC47CFRPart2,SubpartJ FCC47CFRPart15,SubpartC PASS ICRSS-GEN,Issue5(04-2018)+A1(03-2019)+A2(02-2021) ICRSS-247Issue4(07-2025) PASS TheaboveequipmentwastestedbyEMTEK(SHENZHEN)CO.,LTD.Thetestdata,dataevaluation,test procedures,andequipmentconfigurationsshowninthisreportweremadeinaccordancewiththe proceduresgiveninANSIC63.10(2020)andtheenergyemittedbythesampleEUTtestedasdescribed inthisreportisincompliancewiththerequirementsofFCCRulesPart2,Part15.247,ICRSS-247Issue 4andICRSS-GEN,Issue5. Thetestresultsofthisreportrelateonlytothetestedsampleidentifiedinthisreport. DateofTest:October16,2025toNovember11,2025 Preparedby: GuangjunZhu/Editor Reviewer: JoeXia/Supervisor Approved&AuthorizedSigner: LisaWang/Manager ReportNo.ENS2504290325W00901RPage4of75Ver.1.0 ModifiedHistory VersionReportNo.RevisionDateSummary V1.0ENS2504290325W00901R/OriginalReport ReportNo.ENS2504290325W00901…

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