2A48S-A20Power Bank

Shenzhenshi weiduli Technology Co.,Ltd. Attestation Statements Not Covered Entity Applicant & Not Covered Equipment To: Federal Communications Commission Date: Feb. 9, 26 7435 Oakland Mills Road, Columbia, MD 21046, USA Ref: Information Required by Section 2.911(d)(5)(i) & (ii) FCC ID: 2A48S-A20 Shenzhenshi weiduli Technology Co.,Ltd. (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List, established pursuant to § 1.50002 of reference chapter, as an entity producing “covered” communication equipment. The equipment for which authorization is sought is not “covered” telecommunications equipment and video surveillance equipment produced by entities identified on the Commission’s Covered List that prohibited from receiving an equipment authorization pursuant to section § 2.903 of the FCC rules. Sincerely yours, Applicant Signature Name: Guanghui Huang Title: CEO Address: 4h Floor, Building 4, Dejin industrial Zone, No. 40, Fuyuan 1st Road, Heping Community, Fuhai Street, Bao'an District Shenzhen, China Tel.: 0755-89486984 Email: [email protected]

Shenzhenshi weiduli Technology Co.,Ltd. 1 | Page Attestation Statements To: Federal Communications Commission Date: Feb. 9, 26 7435 Oakland Mills Road, Columbia, MD 21046, USA Subject: Attestation of Compliance with FCC Covered List Software Requirements FCC ID: [2A48S-A20] Product Name: [Power Bank] This letter serves as an attestation that the equipment identified above ☐ is / ☒ is not (select one) "covered" software as defined under the Federal Communications Commission (FCC) Covered List requirements, as outlined in FCC 22-84 and KDB 986446. Specifically, the undersigned certifies that the equipment for which authorization is sought: 1. Does not contain cybersecurity or anti-virus software produced or provided by Kaspersky Lab, Inc. or any of its successors, assignees, parents, subsidiaries, affiliates, or any entity that has rebranded or relabeled software produced by the aforementioned entities. 2. Does not have the capability to store, run, or deliver any software identified on the FCC Covered List, including but not limited to cybersecurity and anti-virus software. To support this attestation, the appendix evaluation documentation has been prepared and is included in the certification filing. This attestation is based on a thorough evaluation of the device's design, functionality, and software environment. The undersigned affirms that the information provided is accurate and complete to the best of their knowledge. Sincerely yours, Applicant Signature Name: Guanghui Huang Title: CEO Address: 4h Floor, Building 4, Dejin industrial Zone, No. 40, Fuyuan 1st Road, Heping Community, Fuhai Street, Bao'an District Shenzhen, China Tel.: 0755-89486984 Email: [email protected] Shenzhenshi weiduli Technology Co.,Ltd. 2 | Page Evaluation regarding to the Covered List Software: Compliance Methodology Evaluation Process Results Device is Inherent compliance ☒ The Chipset(s) used is limited to run the Cybersecurity or anti-virus software. compliance ☐ The Memory used is limited to run the Cybersecurity or anti-virus software. ☐ There is storage capacity limitation for store or install the Cybersecurity or anti-virus software. ☐ Operating system used is limited to run, install or deliver the Cybersecurity or anti-virus software. Device is not Inherent compliance ☐ Evaluation Based on Software Bill of Materials (SBoM) See attached “SBoM“ Note:The SBoM content is limited to the scope of covered list software (e.g. antivirus and cybersecurity software). ☐ Evaluation Based on Scan for Software on the device ☐ Evaluation Based on Filesystem scan ☐ Evaluation Based on Running software check SBOM (Software Bill of Materials) [For Device is not Inherent compliance] Section Component Name Version Supplier 1 2 3 4 5

Shenzhen Weiduli Technology Co., Ltd. Different Declaration We Shenzhen Weiduli Technology Co., Ltd. here by declares: Product Name: Power Bank Models: A20-B, A20-A, A20, X2, PB-57, PB-58 Were in same internal instruction, PCB layout, schematics, and BOM lists. It won’t affect the electromagnetic compatibility. The difference between models were colour of enclosure and model name for commercial purpose. Shenzhen Weiduli Technology Co., Ltd. 09 February 2026 Sign:

Shenzhenshi weiduli Technology Co.,Ltd. February 9, 2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Confidentiality Request for: FCC ID: 2A48S-A20 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request permanent confidential treatment of the exhibits accompanying this certification application as outlined below :  Block Diagram  Schematics  Operational Description The above exhibits contain trade secrets and/or proprietary information that are not publicly available and materials that the Applicant has spent considerable efforts in developing. Public disclosure of these may be harmful to the Applicant and give an unfair advantage to competitors on the market. Pursuant to DA 04-1705, the applicant also requests temporary confidential treatment of the exhibits outlined below for a period of (up to 180) days from the date of equipment authorization and prior to marketing in the United States to prevent the premature release of any sensitive information. Applicant is aware of their responsibility to notify DERYCOM in the event information regarding the product or the product is made available to the public before the requested period has expired.  User Manual  Internal Photos  External Photos Sincerely, (Signature) Name: Guanghui Huang Title: CEO Address: 4h Floor, Building 4, Dejin industrial Zone, No. 40, Fuyuan 1st Road, Heping Community, Fuhai Street, Bao'an District Shenzhen, China Tel.: 0755-89486984 Email: [email protected]

Shenzhenshi weiduli Technology Co.,Ltd. February 9, 2026 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 Subject: Agent Authorization for FCC ID: 2A48S-A20 I, the undersigned, hereby authorize (SHENZHEN TONGCE TESTING LAB) to act on our behalf in all matters relating to this application for equipment certification. Any act carried out by (SHENZHEN TONGCE TESTING LAB) shall have the same effect as our own and I acknowledge that all responsibility for complying with the terms and conditions of certification, as specified by DERYCOM CERTIFICATION SERVICES, INC., still resides with (Shenzhenshi weiduli Technology Co.,Ltd.). We certify that we are not subject to a denial of federal benefits that includes FCC benefits pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. §862, and that no party to the application, as defined in 47 CFR §1.2002(b), is subject to a denial of federal benefits that includes FCC benefits pursuant to that section. Sincerely, (Signature) (Full name of contact person listed on FCC’s website) Name: Guanghui Huang Title: CEO Address: 4h Floor, Building 4, Dejin industrial Zone, No. 40, Fuyuan 1st Road, Heping Community, Fuhai Street, Bao'an District Shenzhen, China Tel.: 0755-89486984 Email: [email protected]

Label location

:5V⎓3A/9V⎓2.22A Type-C output:5V⎓3A/9V⎓3A/12V⎓2.92A/15V⎓2.33A/20V⎓1.75A Type-C input Wireless charging output:5W/7.5W/10W/15W/MPP25W Total output:5V⎓3A Made in China Manufacturer: Shenzhen Weiduli TechnologyCo. Address:4h Floor, Building 4, Dejin industrial Zone, No.40, Fuyuan1st Road, Heping Community, Fuhai Street, Bao'an DistrictShenzhen, China Rated capacity:5800mAh(5V⎓3A) Product Name:Power Bank FCC ID:2A48S-A20 Model:A20-B Battery capacity/energy:5000mAh/38.5Wh (two cells connected in series)

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ................................ : 2A48S-A20 Test Report No. ............... : TCT260128E031 Date of issue ................... : Feb. 04, 2026 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhenshi weiduli Technology Co., Ltd Address ........................... : 4h Floor, Building 4, Dejin industrial Zone, No. 40, Fuyuan 1st Road, HepingCommunity, Fuhai Street, Bao'an District Shenzhen, China Manufacturer's name ... : Shenzhenshi weiduli Technology Co., Ltd Address ........................... : 4h Floor, Building 4, Dejin industrial Zone, No. 40, Fuyuan 1st Road, HepingCommunity, Fuhai Street, Bao'an District Shenzhen, China Standard(s) ..................... : FCC CFR Title 47 Part 1.1310 KDB 680106 D01 RF Exposure Wireless Charging App v04 Product Name ................. : Power Bank Trade Mark ...................... : WEIDULI Model/Type reference..... : A20-B, A20-A, A20, X2, PB-57, PB-58 Rating(s).......................... : Refer to EUT description of page 3 Date of receipt of test item ......................................... : Jan. 19, 2026 Date (s) of performance of test ................................... : Jan. 19, 2026 ~ Feb. 04, 2026 Tested by (+signature) ... : Yannie ZHONG Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT260128E031 Page 2 of 11 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TABLE OF CONTENTS 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. General Information ................................................................................. 4 2.1. Test environment and mode ................................................................................. 4 2.2. Description of Support Units ................................................................................ 4 3. Facilities and Accreditations .................................................................. 5 3.1. Facilities ................................................................................................................. 5 3.2. Location ................................................................................................................. 5 4. Measurement Uncertainty ....................................................................... 5 5. Technical Requirements Specification .................................................. 6 5.1. Requirements ......................................................................................................... 6 5.2. Test Setup .............................................................................................................. 7 5.3. Test Procedure ...................................................................................................... 8 5.4. Test Instruments List ............................................................................................ 8 5.5. Test Result ............................................................................................................. 9 5.6. Test Set-up Photo ................................................................................................ 11 Report No.: TCT260128E031 Page 3 of 11 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ...................... : Power Bank Model/Type reference .......... : A20-B Sample Number....................: TCT260128E030-0101 Operation Frequency ........... : 111kHz~205kHz for 5W~15W 360kHz for 25W Output power.....................: 5W/7.5W/10W/15W/MPP 25W Modulation Technology ....... : Load modulation Antenna Type ....................... : Inductive loop coil Antenna Rating(s) ............................... : Battery Energy: 38.5 Wh / 3.85 V Rated Capacity: 5800 mAh (DC 5 V, 3 A) Type-C Input: DC 5 V, 3 A/ DC 9 V, 2.22 A Type-C Output: DC 5 V, 3 A/ DC 9 V, 3 A/ DC 12 V, 2.92 A/ DC 15 V, 2.33 A/ DC 20 V, 1.75 A Wireless Charger Output: 5 W/ 7.5 W/ 10 W/15 W/ MPP 25 W 1.2. Model(s) list No. Model No. Tested with 1 A20-B Other models A20-A, A20, X2, PB-57, PB-58 Note: A20-B is tested model, other models are derivative models. The models are identical in circuit and PCB layout, schematics, and BOM lists. The different are the model names and enclosure colour for commercial purpose. So the test data of A20-B can represent the remaining models. Report No.: TCT260128E031 Page 4 of 11 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. General Information 2.1. Test environment and mode Operating Environment: Temperature: 25 C Humidity: 55 % RH Atmospheric Pressure: 1010 mbar Test Mode: DC Mode TM1 wireless charging(5W) TM2 wireless charging(15W) TM3 wireless charging(25W) 2.2. 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. Equipment Mod…

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Page1 of 4 DONGGUANFineElectronicCO..LTD. TEL：0769-22490287FAX：0769-22499451 SPECIFICATIONFORAPPROVAL CUSTOMER:G027 CUSTP/N:06.0000384 FINEP/N:FYG027007 DESC:FYG0272025101301 DATE:2025/11/15 Version:A.0 CUSTOMERAUTHORIZEDSIGNATURE PREPAREDBYCHECKEDBYAPPROVEDBY HuangBingbing YeLemeiHuWei DONGGUANFineElectronicCO..LTD. Address：DongguanCity,ShijieTown,LiuwuScienceandTechnologyEastRoad,No.194 TEL：0769-22490287/22452492 FAX：0769-22499451 E-mail：[email protected] Page2 of 4 DONGGUANFineElectronicCO..LTD. TEL：0769-22490287FAX：0769-22499451 VersionChangeHistory Rev.BeforeChangeAfterChangeChangeDateApprovedBy A.0 Newissue ---- 2025/11/15HuWei Page3 of 4 DONGGUANFineElectronicCO..LTD. TEL：0769-22490287FAX：0769-22499451 SPECIFICATION DESC FYG0272025101301 Rev：A.0 CUST: G027 FineP/N： FYG027007 CUSTP/N: 06.0000384 一、尺寸DIMENSION:(mm) 二、SCHEMATICDIAGRAM: A21.8±0.5 B39±0.5 C 42.4+0.5/-1.5 D 40±2 E 2-4 F 0.8±0.1 G 1.65MAX （Noreleasepaper included） H 5.5Max（Outerdiameterof wire） 三、WindingSpecification: NO.TERMINALWIRETurnsWindingDirection 1SFLitzmulti-foldedyarn11TsCCW 四、ELECTRICALCHARACTERISTICS: TEMPERATURE:25±10°C,RELATIVEHUMIDITY:65±20% NO.ITEMTERMINALSPECIFICATIONTESTFREQUENCYTESTEQUIPMENTS 1IND.S-F8.1uH±5%100KHz/1.0VTH2810 2DCRS-F75mΩMax100KHz/1.0VTH2810 3Q值S-F60Min100KHz/1.0VTH2810 PREPAREDBY/DATECHECKEDBY/DATEAPPROVEDBY/DATE HuangBingbing2025/11/15YeLemei2025/11/15 gum Thissideisnot backedwithadhesive Page4 of 4 DONGGUANFineElectronicCO..LTD. TEL：0769-22490287FAX：0769-22499451 SPECIFICATION DESC FYG0272025101301 Rev：A.0 CUST: G027 FineP/N： FYG027007 CUSTP/N: 06.0000384 五、PACKONG: 5.1Packingpictures: 5.2PackingQuantity: 5.3Thepackagingshallbebasedontheexistingpackingplateandtheactualdeliverypackageshallprevail.Ifthere isanyrequirement,wecancustomizeit. 六、Materiallist: numberMaterialnameDescriptionManufacturer 1 wirestock Litzmulti-foldedyarn 2 LeadfreetinstripsLeadfreetinstrips 3 10-layer nanocrystalline (edge-bound) Φ42.4*0.30mm，TheL-slotofthe invoicehasonesidewith adhesivebackingandtheother sidewithout. 4Smallmagnetic disk Φ20*1.0mm（PC40）Groove dimensions:1.5*4.0mm 5Green3Mback adhesive Φ38*0.05mmGreen3Madhesive tapewithtear-offstrip 6High-temperature tape 3mmwide ItemQuantityMaterial Box240PCS370*265*55mm BigCarton 1200PCS420*270*310mm PREPAREDBY/DATECHECKEDBY/DATEAPPROVEDBY/DATE HuangBingbing2025/11/15YeLemei2025/11/15HuWei2025/11/15

Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TEST REPORT FCC ID. ............................ : 2A48S-A20 Test Report No. ............... : TCT260128E030 Date of issue ................... : Feb. 04, 2026 Testing laboratory .......... : SHENZHEN TONGCE TESTING LAB Testing location/ address: 2101 & 2201, Zhenchang Factory, Renshan Industrial Zone, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, 518103, People's Republic of China Applicant's name ............ : Shenzhenshi weiduli Technology Co., Ltd Address ........................... : 4h Floor, Building 4, Dejin industrial Zone, No. 40, Fuyuan 1st Road, HepingCommunity, Fuhai Street, Bao'an District Shenzhen, China Manufacturer's name ... : Shenzhenshi weiduli Technology Co., Ltd Address ........................... : 4h Floor, Building 4, Dejin industrial Zone, No. 40, Fuyuan 1st Road, HepingCommunity, Fuhai Street, Bao'an District Shenzhen, China Standard(s) ..................... : FCC CFR Title 47 Part 15 Subpart C Product Name ................. : Power Bank Trade Mark ...................... : WEIDULI Model/Type reference..... : A20-B, A20-A, A20, X2, PB-57, PB-58 Rating(s).......................... : Refer to EUT description of page 3 Date of receipt of test item ......................................... : Jan. 19, 2026 Date (s) of performance of test ................................... : Jan. 19, 2026 ~ Feb. 04, 2026 Tested by (+signature) ... : Yannie ZHONG Check by (+signature) .... : Beryl ZHAO Approved by (+signature): Tomsin General disclaimer: This report shall not be reproduced except in full, without the written approval of SHENZHEN TONGCE TESTING LAB. This document may be altered or revised by SHENZHEN TONGCE TESTING LAB personnel only, and shall be noted in the revision section of the document. The test results in the report only apply to the tested sample. Report No.: TCT260128E030 Page 2 of 26 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com TABLE OF CONTENTS 1. General Product Information .................................................................. 3 1.1. EUT description ..................................................................................................... 3 1.2. Model(s) list ............................................................................................................ 3 2. Test Result Summary .............................................................................. 4 3. General Information ................................................................................. 5 3.1. Test environment and mode ................................................................................. 5 3.2. Description of Support Units ................................................................................ 6 3.3. Block Diagram of Test Setup ................................................................................ 6 4. Facilities and Accreditations .................................................................. 7 4.1. Facilities ................................................................................................................. 7 4.2. Location ................................................................................................................. 7 5. Measurement Uncertainty ....................................................................... 7 6. Test Results and Measurement Data ..................................................... 8 6.1. Antenna requirement ............................................................................................ 8 6.2. Conducted Emission ............................................................................................. 9 6.3. Radiated Spurious Emission Measurement ...................................................... 13 6.4. 20dB Bandwidth .................................................................................................. 24 Appendix A: Photographs of Test Setup Appendix B: Photographs of EUT Report No.: TCT260128E030 Page 3 of 26 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 1. General Product Information 1.1. EUT description Product Name ...................... : Power Bank Model/Type reference .......... : A20-B Sample Number....................: TCT260128E030-0101 Operation Frequency ........... : 111kHz~205kHz for 5W~15W 360kHz for 25W Output power.....................: 5W/7.5W/10W/15W/MPP 25W Modulation Technology ....... : Load modulation Antenna Type ....................... : Inductive loop coil Antenna Rating(s) ............................... : Battery Energy: 38.5 Wh / 3.85 V Rated Capacity: 5800 mAh (DC 5 V, 3 A) Type-C Input: DC 5 V, 3 A/ DC 9 V, 2.22 A Type-C Output: DC 5 V, 3 A/ DC 9 V, 3 A/ DC 12 V, 2.92 A/ DC 15 V, 2.33 A/ DC 20 V, 1.75 A Wireless Charger Output: 5 W/ 7.5 W/ 10 W/15 W/ MPP 25 W 1.2. Model(s) list No. Model No. Tested with 1 A20-B Other models A20-A, A20, X2, PB-57, PB-58 Note: A20-B is tested model, other models are derivative models. The models are identical in circuit and PCB layout, schematics, and BOM lists. The different are the model names and enclosure colour for commercial purpose. So the test data of A20-B can represent the remaining models. Report No.: TCT260128E030 Page 4 of 26 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 2. Test Result Summary Requirement CFR 47 Section Result Antenna requirement §15.203 PASS AC Power Line Conducted Emission §15.207 PASS Spurious Emission §15.209(a)(f) PASS 20dB Bandwidth §15.215(c) PASS Note: 1. PASS: Test item meets the requirement. 2. Fail: Test item does not meet the requirement. 3. N/A: Test case does not apply to the test object. 4. The test result judgment is decided by the limit of test standard. Report No.: TCT260128E030 Page 5 of 26 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com 3. General Info…

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Report No.: TCT260128E030-A Page 1 of 5 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Appendix- Photographs of Test Setup Product: Power Bank Model: A20-B Radiated Emission Report No.: TCT260128E030-A Page 2 of 5 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Conducted Emission Report No.: TCT260128E030-A Page 3 of 5 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com Internal battery mode: A B Report No.: TCT260128E030-A Page 4 of 5 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com C D Report No.: TCT260128E030-A Page 5 of 5 Hotline: 400-6611-140 Tel: 86-755-27673339 Fax: 86-755-27673332 http://www.tct-lab.com E F