2A4MT-PB22Power Bank

2.911 (d)(5)(i) Equipment Type Attestation v1.2 Shenzhen Zhenghaixin Technology Co., LTD Section 2.911(d)(5)(i) Certification – Equipment Type Company name: Shenzhen Zhenghaixin Technology Co., LTD Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Product Name: Power Bank FCC ID: 2A4MT-PB22 Model(s): ZHX-PB22 2.911(d)(5)(i) Equipment Type We, [Shenzhen Zhenghaixin Technology Co., LTD] (“the applicant”) certify that the equipment for which authorization is sought through certification is not:  Prohibited from receiving an equipment authorization pursuant to § 2.903; of the FCC rules.  Identified as an equipment type in the “Covered List” NOTE 1 Yours sincerely, Name: Shaolin Peng Date: 2024-03-05 Title and Company name: Manager Shenzhen Zhenghaixin Technology Co., LTD NOTE 1 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

2.911 (d)(5)(ii) Applicant Attestation v1.3 Shenzhen Zhenghaixin Technology Co., LTD Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Shenzhen Zhenghaixin Technology Co., LTD Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Product Name: Power Bank FCC ID: 2A4MT-PB22 Model(s): ZHX-PB22 2.911(d)(5)(ii) Applicant filing We, [Shenzhen Zhenghaixin Technology Co., LTD] (“the applicant”) certify that, as of the date of the filing of the application, the applicant is is not identified NOTE 1 on the “Covered List” NOTE 2 , established pursuant to § 1.50002 of this chapter, as an entity producing covered communications equipment. Yours sincerely, Name: Shaolin Peng Date: 2024-03-05 Title and Company name: Manager Shenzhen Zhenghaixin Technology Co., LTD NOTE 1 Delete option not applicable to this application. NOTE 2 “Covered List”; is the List of Equipment and Services Covered By Section 2 of The Secure Networks Act, available at https://www.fcc.gov/supplychain/coveredlist References; 1) 986446 D01 Covered Equipment v01 https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?switch=P&id=325672 2) Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-security-threats-to-the-com munications-supply-chain-through-the

Shenzhen Zhenghaixin Technology Co., LTD 2.911 (d)(7)USA Agent v1.4 Section 2.911(d)(7) USA Agent for Service of Process Company name: Shenzhen Zhenghaixin Technology Co., LTD Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Product Name: Power Bank FCC ID: 2A4MT-PB22 Model(s): ZHX-PB22 2.911(d)(7) USA Designated Agent for Service of Process We, [Shenzhen Zhenghaixin Technology Co., LTD] (“the applicant”) designate [Wilson Tech Service LLC] NOTE1 for the purpose of accepting service of process on behalf of the applicant. Applicant consent: We acknowledge our consent to accept service of process in the United States for matters related to the applicable equipment, and at the physical U.S. address and email address of the designated agent and acknowledge our acceptance of our obligation to maintain an agent for service of process in the United States for no less than one year after either we the grantee have permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. Agent obligation: We acknowledge our obligation to accept service of process in the United States for matters related to the applicable equipment at our physical U.S. address and email address for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or at the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. USA Agent Company name: Wilson Tech Service LLC USA Address: 1312 17th Street Suite 692 Denver 80202 United States FRN Number: 0033402033 Contact Name: Wilson Cheung Telephone No: +1-716-965-5112 Email: [email protected] Applicant Company name: Shenzhen Zhenghaixin Technology Co., LTD Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Grantee FRN Number: 0031988355 FCC Grantee Code: 2A4MT Contact Name: Shaolin Peng Telephone No: 0755-27953337 Email: [email protected] Signature: Title: Manager Signature: Title: Manager Date:2024-03-05 Date: 2024-03-05 Shenzhen Zhenghaixin Technology Co., LTD 2.911 (d)(7)USA Agent v1.4 NOTE 1: An applicant located in the United States may designate itself as the agent for service of process. Reference; Federal Register document 2022-28263 published on 02/06/23 https://www.federalregister.gov/documents/2023/02/06/2022-28263/protecting-against-national-securit y-threats-to-the-communications-supply-chain-through-the

Shenzhen Zhenghaixin Technology Co., LTD Agent Authorization Company name: Shenzhen Zhenghaixin Technology Co., LTD Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Product Name: Power Bank FCC ID: 2A4MT-PB22 Model(s): ZHX-PB22 We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Name: Shaolin Peng Date: 2024-03-05 Title and Company name: Manager Shenzhen Zhenghaixin Technology Co., LTD

Shenzhen Zhenghaixin Technology Co., LTD Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024-03-05 Subject; Request for Confidentiality FCC ID: 2A4MT-PB22 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 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, Name: Shaolin Peng Date: 2024-03-05 Title and Company name: Manager Shenzhen Zhenghaixin Technology Co., LTD

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Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(External Photos) Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

Size: 20mm*15mm M/N: ZHX-PB22 FCC ID: 2A4MT-PB22 Label location

Shenzhen DL Testing Technology Co., Ltd. EUT PHOTO(Internal Photos) Shenzhen DL Testing Technology Co., Ltd. ANT Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. ※※※※※ END OF REPORT ※※※※※

Page 1 of 20 Report No.: DL-20240124055E Test Report FCC ID: 2A4MT-PB22 Applicant: Shenzhen Zhenghaixin Technology Co., Ltd. Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Manufacturer: Shenzhen Zhenghaixin Technology Co., Ltd. Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen EUT: Power Bank Trade Mark: N/A Model Number: ZHX-PB22 Date of Receipt: Jan. 24, 2024 Test Date: Jan. 24, 2024 - Feb. 03, 2024 Date of Report: Feb. 03, 2024 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Prepared (Engineer): Alisa Song Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Page 2 of 20 Report No.: DL-20240124055E Instructions 1. This test report shall not be partially reproduced without the written consent of the laboratory. 2. The test results in this test report are only responsible for the samples submitted 3. This test report is invalid without the seal and signature of the laboratory. 4. This test report is invalid if transferred, altered, or tampered with in any form without authorization. 5. Any objection to this test report shall be submitted to the laboratory within 15 days from the date of receipt of the report. Page 3 of 20 Report No.: DL-20240124055E Contents 1 General Description ........................................................................................................................ 5 1.1 Description of the EUT ........................................................................................................................................5 1.2 Description of test modes ...................................................................................................................................5 1.3 Description of support units ................................................................................................................................6 2 Measurement uncertainty ............................................................................................................... 6 3 Test facilities and accreditations.................................................................................................... 7 3.1 Test laboratory ....................................................................................................................................................7 4 List of test equipment ..................................................................................................................... 8 5 Test result ........................................................................................................................................ 9 5.1 Requirement .......................................................................................................................................................9 5.2 Test setup......................................................................................................................................................... 10 5.3 Test Procedures ................................................................................................................................................ 11 5.4 Test results ....................................................................................................................................................... 12 Photographs of the Test Setup ............................................................................................................ 20 Photographs of the EUT ...................................................................................................................... 20 Page 4 of 20 Report No.: DL-20240124055E Test Result Certification Applicant: Shenzhen Zhenghaixin Technology Co., Ltd. Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Manufacturer: Shenzhen Zhenghaixin Technology Co., Ltd. Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Product description Product name: Power Bank Trademark: N/A Model name: ZHX-PB22 Series Model: N/A Standards: FCC CFR 47 PART 1, § 1.1310 FCC CFR 47 PART 2, § 2.1093 Test method: KDB 680106 D01 Wireless Power Transfer v04 Date of Test Date of test: Jan. 24, 2024 - Feb. 03, 2024 Test result: Pass Page 5 of 20 Report No.: DL-20240124055E 1 General Description 1.1 Description of the EUT Product name: Power Bank Model name: ZHX-PB22 Series Model: N/A Model difference: N/A Electrical rating: USB-C Input: 5V/3A, 9V/2A USB-C1 Output: 5V/3A, 9V/2A, 12V/1.5A USB-C2 Output: 5V/3A, 9V/2A, 12V/1.5A Lightning(Cable) Output: 5V/2A Wireless Output: 3W Max. Battery capacity: 10000mAH/3.6V/36Wh Accessories: Cable: USB-C to USB-C Cable 100cm RF specification: Operation frequency: 115-205kHz Modulation type: MSK Antenna type: Coil 1.2 Description of test modes All the test modes were carried out with the EUT in normal operation, the final test mode of the EUT was the worst test mode for emission test, which was shown in this report and defined as: No. Emission test modes Mode1 Wireless Output(3W) Mode2 Charging+Wireless Output(3W) Mode3 Standby Note: All of the listed test mode were tested, only the data of the worst mode (Mode1) is recorded in the report Page 6 of 20 Report No.: DL-20240124055E 1.3 Description of support units The EUT has been tested as an independent unit together with other necessary accessories or support units. The following support units or accessories were used to form a representative test configuration during the tests. Support equipment list Description Model Serial No. Man…

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深圳市深联宇电子有限公司 Shenzhen Shenlianyu Electronics Co., Ltd 承认书 Acknowledgement 客户名称：正海欣 Zhenghaixin 客 户 料 号： 501LX06U40000 产品名称:手表充电线圈 Watch charging coil 产品料号：SLY 25P-6R4-L12 work out Auditing ratify Xiang-ping zhang Chen Zhanliang Lai Wei issuing date number 2022-10-20 SLY-ZHX-002 深圳市深联宇电子有限公司 Shenzhen Shenlianyu Electronics Co., Ltd number SLY-ZHX-002 issuing date 2022-10-20 edition A effective date 2022-10-20 HD-Series sample admission Revision times 0 page 1 /2 edition Change resume person times A new issue：2022 年 10 月 20 日 Chen meiling 2022-10-20 B C 深圳市深联宇电子有限公司 Shenzhen Shenlianyu Electronics Co., Ltd number SLY-ZHX-002 issuing date 2022-10-20 edition A effective date 2022-10-20 HD-Series sample admission Revision times 0 page 2/2 1.外形尺寸size: (mm) 2.电气特性electrical character: inductance value L 6.4uH+5% test condition 100KHz/1V 测试仪器:measuring and test instruments: digital electric bridge TH2817C+ direct-current resistance(DCR) 120mΩ Max test condition 100KHz/1V Q value ≥35 test condition 100KHz/1V 3. 材料: (1)Magnetic plate:rubber magnetic tank D25 (2)copper line : 0.08*24 (3)Wire way:12 laps counterclockwise 4. 电性图: Electroproperty diagram

Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20240124055E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 21 TEST REPORT FCC ID: 2A4MT-PB22 Applicant: Shenzhen Zhenghaixin Technology Co., Ltd. Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen Manufacturer: Shenzhen Zhenghaixin Technology Co., Ltd. Address: Area 301A, No.7 Xiongyu Road, Tangxiachong Community, Yanluo Street, Baoan District, Shenzhen EUT: Power Bank Trade Mark: N/A Model Number: ZHX-PB22 Date of Receipt: Jan. 24, 2024 Test Date: Jan. 24, 2024 - Feb. 03, 2024 Date of Report: Feb. 03, 2024 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Applicable Standards: FCC PART 15 Subpart C ANSI C63.10:2013 Test Result: Pass Report Number: DL-20240124055E Prepared (Engineer): Alisa Song Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20240124055E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 21 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ................................................................................................................................................. 3 2. TEST SUMMARY ..................................................................................................................................... 3 3. GENERAL INFORMATION ..................................................................................................................... 4 4. TEST INSTRUMENT USED ..................................................................................................................... 7 5. CONDUCTED EMISSION TEST .............................................................................................................. 8 6. RADIATION EMISSION TEST ............................................................................................................... 12 7. BANDWIDTH TEST ............................................................................................................................... 20 8. SETUP PHOTOGRAPHS ...................................................................................................................... 21 9. EUT PHOTOGRAPHS ........................................................................................................................... 21 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20240124055E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 21 1. VERSION Version No. Date Description 00 Feb. 03, 2024 Original 2. TEST SUMMARY EMC Emission Test Item Section in CFR 47 Result Remark AC Power Line Conducted Emission 15.207 PASS Spurious Emission 15.209(a)(f) PASS 20dB Bandwidth 15.215 PASS Antenna requirement 15.203 PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report (2) Test Facility: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20240124055E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 21 3. GENERAL INFORMATION 3.1 Description of Device (EUT) Product Name: Power Bank Trade Mark: N/A Model No.: ZHX-PB22 Model Difference: N/A Serial No.: N/A Hardware version: H1.0 Software version: S1.0 Operation Frequency: 115kHz ~ 205KHz Modulation type: MSK Antenna Type: Inductive loop coil Antenna Antenna gain: 0dBi Power supply: USB-C Input: 5V/3A, 9V/2A USB-C1 Output: 5V/3A, 9V/2A, 12V/1.5A USB-C2 Output: 5V/3A, 9V/2A, 12V/1.5A Lightning(Cable) Output: 5V/2A Wireless Output: 3W Max. Battery capacity: 10000mAH/3.6V/36Wh 3.2 Tested System Details None. 3.3 Block Diagram of Test Set-up AC Mode DC Mode AC Mains EUT EUT Load Adapter Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20240124055E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 21 3.4 Test Mode Description Mode1. USB-C Input+Wireless charging Output Mode(Full Load, 1%/50%/99%) Mode2. USB-C Input+Wireless charging Output Mode(Half Load, 1%/50%/99%) Mode3. USB-C Input+Wireless charging Output Mode(No Load, 1%/50%/99%) Mode4. USB-C1 Output+Wireless charging Output Mode(Full Load, 1%/50%/99%) Mode5. USB-C1 Output+Wireless charging Output Mode(Half Load, 1%/50%/99%) Mode6. USB-C1 Output+Wireless charging Output Mode(No Load, 1%/50%/99%) Mode7. USB-C2 Output+Wireless charging Output Mode(Full Load, 1%/50%/99%) Mode8. USB-C2 Output+Wireless charging Output Mode(Half Load, 1%/50%/99%) Mode9. USB-C2 Output+Wireless charging Output Mode(No Load, 1%/50%/99%) Mode10. Lightning Cable Output+Wireless charging Output Mode(Full Load, 1%/50%/99%) Mode11. Lightning Cable Output+Wireless charging Output Mode(Half Load, 1%/50%/99%) Mode12. Lightning Cable Output+Wireless charging Output Mode(No Load, 1%/50%/99%) Mode13. USB-C1 Output Mode (Full Load) Mode14. USB-C1 Output Mode (Half Load) Mode15. USB-C1 Output Mode (No Load) Mode16. USB-C2 Output Mode (Full Load) Mode17. USB-C2 Output Mode (Half Load) Mode18. USB-C2 Output Mode (No Load) Mode19. Lightning Cable Output Mode (Full Load) Mode20. Lightning Cable Output Mode (Half Load) Mode21. Lightning Cable Output Mode (No Load) Mode22. Wireless charging Output Mode(Full Load, 1%/50%/99%) Mode23. Wireless charging Output Mode(Half Load, 1%/50%/99%) Mode24. Wireless charging Output Mode(No Load, 1%/50%/99%) Note: 1. We have evaluated 1%, 50% and 99% batt…

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Shenzhen DL Testing Technology Co., Ltd. EUT TEST PHOTO Radiated Measurement Photos Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Conducted Measurement Photos ※※※※※ END OF REPORT ※※※※※