2AZK8-HI-S320PWXSolar Power Bank

4 FCC Compliance 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 must accept any interference received, including interference that may cause undesired operation. NOTE: 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 designed 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. CAUTION: Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the product.

Yuwei Technology (Dongguan) Co., Ltd. U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: Baihetian Innovative Solutions FRN: 0033401605 Contact Name: Kenneth Young Street Address: 6837 Chase Rd City/Province/Zip: Dearborn, MI 48126 Telephone No: 313-395-3113 Email: [email protected] This letter is to confirm that we (“the Designated U.S. Agent) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: June 26, 2024 Signed by (Printed Name/Title): Kenneth Young/Manager The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Yuwei Technology (Dongguan) Co., Ltd. FRN: 0030799027 Grantee Code: 2AZK8 FCC ID: 2AZK8-HI-S320PWX Contact Name: Qu Xie Street Address: Room 301, No.15 Longjing Road, Guanjingtou, Fenggang Town, Dongguan City, Guangdong Province, China City/Province/Zip: Dongguan /Guangdong /523000 Telephone No: 0769-87552325 Email:[email protected] Applicant Signature: Date: 2024.06.26 Signed by (Printed Name/Title): Qu Xie/CEO

1. AntennaDescription:Ante nna type: loop coilAntenna Manufacturer: GNAudioA/S Address: Room 3765, Xuanye Building, No.11 Torch East Road, Entrepreneurship Park, Torch High tech Zone, Xiamen Model: WH-WI-C18PW Antenna Gain(Peak): 0dBi Frequency range:110kHz-205kHz 2. AntennaPhoto: 15mm 15mm

Yuwei Technology (Dongguan) Co., Ltd. Room 301, No.15 Longjing Road, Guanjingtou, Fenggang Town, Dongguan City, Guangdong Province, China Date: 2024-06-26 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(5)(i) Filing SUBJECT: FCC Application for FCC ID: 2AZK8-HI-S320PWX To Whom It May Concern: Yuwei Technology (Dongguan) Co., Ltd. certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, Signature: Date: 2024-06-26

Yuwei Technology (Dongguan) Co., Ltd. Room 301, No.15 Longjing Road, Guanjingtou, Fenggang Town, Dongguan City, Guangdong Province, China Date: 2024-06-26 Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Ref: Attestation Statements Part 2.911(d)(5)(ii) Filing SUBJECT: FCC Application for FCC ID: 2AZK8-HI-S320PWX To Whom It May Concern: Yuwei Technology (Dongguan) Co., Ltd. certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, Signature: Date: 2024-06-26

Yuwei Technology (Dongguan) Co., Ltd. Room 301, No.15 Longjing Road, Guanjingtou, Fenggang Town, Dongguan City, Guangdong Province, China Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: June 26, 2024 Subject; Request for Confidentiality FCC ID: 2AZK8-HI-S320PWX To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure Software Security Requirements for UNII devices In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Qu Xie Title: CEO

Effective Date: April 2, 2020 QSF 7.6.4-8 – Agent Authorization Letter Template Page 1 of 1 Revision Date: Revision: 0 Yuwei Technology (Dongguan) Co., Ltd. Room 301, No.15 Longjing Road, Guanjingtou, Fenggang Town, Dongguan City, Guangdong Province, China Date：2024/06/26 Product Model Number: HI-S320PWX FCC ID：2AZK8-HI-S320PWX To whom it may concern, Re: Product Certification Representative Authorization Letter We authorize QAI Laboratories Ltd. 3980 North Fraser Way, Burnaby B.C. Canada V5J 5K5 to act on our behalf on all matters concerning the above named equipment. This shall include the following:  Testing  Approval applications and procedures We declare that QAI Laboratories Ltd. is allowed to forward all information related to the approval project to the applied certification body and to the notification entities and to discuss any issues concerning the approval application. Any and all acts carried out byQAI Laboratories Ltd. on our behalf shall have the same effect as acts of our own. By: Contact Listed on FCC Wesbite Title: CEO Email:[email protected] Telephone: 0769-87552325 On behalf of: Yuwei Technology (Dongguan) Co., Ltd.

FCC ID: 2AZK8-HI-S320PWX Page 1 of 4 Report No.: CTL2405281011-WF External Photos of EUT FCC ID: 2AZK8-HI-S320PWX Page 2 of 4 Report No.: CTL2405281011-WF FCC ID: 2AZK8-HI-S320PWX Page 3 of 4 Report No.: CTL2405281011-WF FCC ID: 2AZK8-HI-S320PWX Page 4 of 4 Report No.: CTL2405281011-WF

FCC ID: 2AZK8-HI-S320PWX Page 1 of 1 Report No.: CTL2405281011-WF FCC ID Label Information 1. Label location: Label Size: L: 61.7mm x W: 55.8mm

FCC ID: 2AZK8-HI-S320PWX Page 1 of 1 Report No.: CTL2405281011-WF Internal Photos of EUT FCC ID: 2AZK8-HI-S320PWX Page 1 of 1 Report No.: CTL2405281011-WF FCC ID: 2AZK8-HI-S320PWX Page 1 of 1 Report No.: CTL2405281011-WF FCC ID: 2AZK8-HI-S320PWX Page 1 of 1 Report No.: CTL2405281011-WF Antenna

Page 1 of 29 Report No.: AITSZ24030701FW2 RF Exposure Evaluation Client Information: Applicant: Yuwei Technology (Dongguan) Co., Ltd. Applicant add.: Room 301, No.15 Longjing Road, Guanjingtou, Fenggang Town, Dongguan City, Guangdong Province, China Manufacturer: Shenzhen JOWAY power supply Co.,Ltd Manufacturer add.: Floor 1~5 of Bldg 10th an Bldg 11th, Antuoshan High-Tech Industrial Park, Sha'er Community,Shajing Street, Bao'an District,Shenzhen. Product Information: Product Name: Solar Power Bank Model No.: HI-S320PWX Brand Name: N/A FCC ID: 2AZK8-HI-S320PWX Applicable standards: FCC CFR 47 PART 1, § 1.1310 KDB 680106 D01 Wireless Power Transfer v04 Prepared By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Date of Receipt: Jun. 07, 2024 Date of Test: Jun. 07, 2024 ~ Jun. 13, 2024 Date of Issue: Jun. 13, 2024 Test Result: Pass This device described above has been tested by Guangdong Asia Hongke Test Technology Limited and the test results show that the equipment under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested sample identified in the report. Note: This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited, this document may be altered or revised by Guangdong Asia Hongke Test Technology Limited, personal only, and shall be noted in the revision of the document. This test report must not be used by the client to claim product endorsement. Reviewed by: Approved by: Leon Yi Sean She Page 2 of 29 Report No.: AITSZ24030701FW2 TABLE OF CONTENTS 1 TEST FACILITY 4 1.1 Deviation from standard 4 1.2 Abnormalities from standard conditions 4 1.3 Test Location 4 2 GENERAL INFORMATION 5 3 TEST METHODOLOGY 6 3.1 Measuring Standard 6 3.2 Requirements 6 3.3 Test Setup 7 3.4 Test Procedure 7 4 Equipment Approval Considerations 8 4.1 Description of the test mode 9 4.2 Peripheral List 9 4.3 Test Instruments list 9 4.4 Test Result 13 5 Test Setup photo 24 Page 3 of 29 Report No.: AITSZ24030701FW2 Revision History Revision Issue Date Revisions Revised By 00 Jun. 13, 2024 Initial Issue Eder Zhan Page 4 of 29 Report No.: AITSZ24030701FW2 1 TEST FACILITY The test facility is recognized, certified or accredited by the following organizations: FCC-Registration No.: 251906 Designation Number: CN1376 Guangdong Asia Hongke Test Technology Limited has been registered and fully described in a report filed with the (FCC) Federal Communications Commission. The acceptance letter from the FCC is maintained in our files. IC —Registration No.: 31737 CAB identifier: CN0165 The 3m Semi-anechoic chamber of Guangdong Asia Hongke Test Technology Limited has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing with Registration No.: 31737 A2LA-Lab Cert. No.: 7133.01 Guangdong Asia Hongke Test Technology Limited has been accredited by A2LA for technical competence in the field of electrical testing, and proved to be in compliance with ISO/IEC 17025: 2017 General Requirements for the Competence of Testing and Calibration Laboratories and any additional program requirements in the identified field of testing. 1.1 Deviation from standard None 1.2 Abnormalities from standard conditions None 1.3 Test Location Guangdong Asia Hongke Test Technology Limited Address: B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Page 5 of 29 Report No.: AITSZ24030701FW2 2 GENERAL INFORMATION EUT Name: Solar Power Bank Model No: HI-S320PWX Serial Model: N/A Test sample(s) ID: AITSZ24060607001 Sample(s) Status: Engineer sample Operation frequency: 110kHz-205kHz Modulation Technology: ASK Antenna Type: loop coil Antenna Antenna gain: 0dBi Hardware version.: N/A Software version.: N/A Power supply: Input1: 5V-3A 9V-2.22A 12V-1.67A Input2: 5V-3A 9V-2.22A 12V-1.67A Output 1: 5V-3A 9V-2.22A 12V-1.67A Output 2: 5V-3A 9V-2.22A 12V-1.67A Output 3: 5V-3A Output 4: 5V-2A Output 5: 5V-2.4A Wireless:15W(Max) (with DC 3.7V 25000mAh/92Wh battery inside) Model different: N/A Note: For a more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. Page 6 of 29 Report No.: AITSZ24030701FW2 3 TEST METHODOLOGY 3.1 Measuring Standard According to §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Cocmission’s guidelines. According to §1.1310 and §2.1091 RF exposure is calculated. According KDB680106 D01: KDB 680106 D01 Wireless Power Transfer v04. 3.2 Requirements According to the item 3 of KDB 680106 D01v04: Inductive wireless power transfer applications that meet all of the following requirements are excluded from submitting an RF exposure evaluation. (1) Mobile Device and Portable Device Configurations (2) Equipment Authorization Procedures for Devices Operating at Frequencies Below 4 MHz (3) The aggregate H-field strengths anywhere at or beyond 15 cm surrounding the device, and 20 cm away from the top surface. Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Note 1: f = frequency in MHz; *Plane-wave equivalent power density Note 2: For the applicable limit, see FCC 1.1310, 680106 D01 RF Exposure Wireless Charging Apps v03 Note 3: Emissions between 100 kHz to 300 kHz should be assessed versus the limits at 300 kHz in Table 1 of Section 1.1310: 614 V/m and 1.63 A/m. A KDB inquiry is required to determine the applicable exposure l…

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Shenzhen CTL Testing Technology Co., Ltd. Tel: +86-755-89486194 E-mail: [email protected] TEST REPORT 47 CFR Part 15, Subpart C Report Reference No. ............... : CTL2405281011-WF Compiled by ( position+printed name+signature) Happy Guo (File administrator) Supervised by ( position+printed name+signature) Jack Wang (Test Engineer) Approved by ( position+printed name+signature) Ivan Xie (Manager) Test Firm ................................... : Shenzhen CTL Testing Technology Co., Ltd. Address ...................................... : Floor 1-A, Baisha Technology Park, No.3011, Shahexi Road, Nanshan District, Shenzhen, China 518055 Applicant’s name ..................... : Yuwei Technology (Dongguan) Co., Ltd. Address ...................................... : Room 301, No.15 Longjing Road, Guanjingtou, Fenggang Town, Dongguan City, Guangdong Province, China Test specification: Standard .................................... : 47 CFR Part 15, Subpart C Master TRF ................................ : Dated 2011-01 Test item description ............... : Solar Power Bank FCC ID ....................................... : 2AZK8-HI-S320PWX Trade Mark ................................. : N/A Model/Type reference ................ : HI-S320PWX Antenna type .............................. : loop coil Antenna Date of receipt of test item ........... : June 03, 2024 Date of Test Date ......................... : June 03, 2024–June 18, 2024 Data of Issue ................................ : June 19, 2024 Result ........................................... : Pass Shenzhen CTL Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTL Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTL Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. V1.0 Page 2 of 28 Report No.: CTL2405281011-WF T E S T R E P O R T Test Report No. : CTL2405281011-WF June 19, 2024 Date of issue Equipment under Test : Solar Power Bank Type / Model(s) : HI-S320PWX Applicant : Yuwei Technology (Dongguan) Co., Ltd. Address : Room 301, No.15 Longjing Road, Guanjingtou, Fenggang Town, Dongguan City, Guangdong Province, China Manufacturer : Yuwei Technology (Dongguan) Co., Ltd. Address : Room 301, No.15 Longjing Road, Guanjingtou, Fenggang Town, Dongguan City, Guangdong Province, China Test result Pass * The test results presented in this report relate only to the object tested. This report shall not be reproduced, except in full, without the written approval of the issuing testing laboratory. V1.0 Page 3 of 28 Report No.: CTL2405281011-WF ** Modified History ** Revisions Description Issued Data Report No. Remark Version 1.0 Initial Test Report Release 2024-06-19 CTL2405281011-WF Tracy Qi V1.0 Page 4 of 28 Report No.: CTL2405281011-WF Contents 1. T E S T S T A N D A R D S ................................................................. 5 2. S U M M A R Y ............................................................................ 6 2.1. General Remarks 6 2.2. Equipment Under Test 6 2.3. Short description of the Equipment under Test (EUT) 6 2.4. EUT operation mode 6 2.5. Related Submittal(s) / Grant (s) 6 2.6. Modifications 6 3. T E S T E N V I R O N M E N T .............................................................. 7 3.1. Address of the test laboratory 7 3.2. Test Facility 7 3.3. Environmental conditions 7 3.4. Statement of the measurement uncertainty 8 3.5. Equipments Used during the Test 8 4. T E S T C O N D I T I O N S A N D R E S U L T S ............................................. 9 4.1. AC Power Conducted Emission 9 4.2. Radiated Emission 11 4.3. 20dB Bandwidth/99% Bandwidth 17 5. T E S T S E T U P P H O T OS O F T H E E U T ......................................... 18 6. E X T E R N A L A N D I N T E R N AL P H O T O S O F T H E E U T ...................... 21 V1.0 Page 5 of 28 Report No.: CTL2405281011-WF 1. T E S T S T A N D A R D S The tests were performed according to following standards: 47 CFR Part 15, Subpart C 15.207,15.209, 15.215(c) ANSI C63.10-2013 V1.0 Page 6 of 28 Report No.: CTL2405281011-WF 2. S U M M A R Y 2.1. General Remarks Date of receipt of test sample : June 03, 2024 Testing commenced on : June 03, 2024 Testing concluded on : June 18, 2024 2.2. Equipment Under Test Power supply system utilised Power supply voltage : Input1: 5V3A 9V2.22A 12V1.67A Input2: 5V3A 9V2.22A 12V1.67A Output 1: 5V3A 9V2.22A 12V1.67A Output 2: 5V3A 9V2.22A 12V1.67A Output 3: 5V3A Output 4: 5V2A Output 5: 5V2.4A Battery Capacity: 3.7V 25000mAh/92Wh Wireless Charging: 15W(Max) 2.3. Short description of the Equipment under Test (EUT) A Solar Power Bank work frequency range 110KHz-205KHz. For more details, refer to the user’s manual of the EUT. Serial number: Prototype 2.4. EUT operation mode The EUT has been tested under typical operating condition. The Applicant provides communication tools software to control the EUT for staying in continuous transmitting mode for testing. Test Mode 1 AC Charging+Wireless output(15W MAX) full load Test Mode 2 AC Charging+Wireless output(15W MAX) half load Test Mode 3 AC Charging+Wireless output(15W MAX) no load Test Mode 4 Wireless output(15W MAX) full load Test Mode 5 Wireless output(15W MAX) half load Test Mode 6 Wireless output(15W MAX) no load Note: All modes have been tested and only the worst Test Mode 1 is reported. 2.5. Related Submittal(s) / Grant (s) This submittal(s) (test report) is intended for FCC ID: 2AZK8-HI-S320PWX fileing to comply with FCC Part 15, Subpart C Rules. 2.6. Modifications No modifications were implemented to meet testing criteria. V1.0 Page 7 of 28 Report No.: CTL2405281011-WF 3. T E S T E N V I R O N M E N T 3.1. Address of the test laboratory Shenzhen CTL Testing Technology Co., Lt…

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FCC ID: 2AZK8-HI-S320PWX Page 1 of 3 Report No.: CTL2405281011-WF Test Setup Photos of the EUT FCC ID: 2AZK8-HI-S320PWX Page 2 of 3 Report No.: CTL2405281011-WF FCC ID: 2AZK8-HI-S320PWX Page 3 of 3 Report No.: CTL2405281011-WF