2AH8S-20019-M5000 mAh - Powerbank - Black

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.The distance between user and products should be no less 20cm.

July 12, 2023 Federal Communications Commission Authorization & Evaluation Division 7345 Oakland Mills Road Columbia, Maryland 21046 Authority to Act as Agent On our behalf, I appoint Shenzhen Timeway Testing Laboratories/ Zone C, 1st Floor, Zone C, 1st Floor, Block B, Jun Xiang Da Building, Zhongshan Park Road West, Tong Le Village, Nanshan District, Shenzhen, China (Name of Agent company name and address) to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the Federal Communications Commission’s regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for certification, still resides with B e s t c a s e a n d A c c e s s o r i e s , I n c ./ 140 58th Street, Unit 2-I, Brooklyn, New York 11220 USA <Signature>： Name：Charles Chu Title：Certification Consultant Company：Bestcase and Accessories, Inc.

July 12, 2023 Equipment Autorisation Division Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AH8S-20019-M Product Name: 5000 mAh - Powerbank - Black Request for Confidentiality Pursuant to Sections 0.457 and 0.459 of the commissions rules, we hereby request that the following documents be held confidential:  Schematics  Block diagram  Operation description These materials contain trade secrets and proprietary information and are not customarily released to the public. The public disclosure of this information might be harmful to the company and provide unjustified benefits to our competitors. <Signature>： Name：Charles Chu Title：Certification Consultant Company：Bestcase and Accessories, Inc.

Outside V iew

Model:20019 Cell capacity:5000mAh Input: DC5V/2A Output: DC5V/2.4A(MAX) Wireless: 5W DCN:21-230522 FCC ID2AH8S-20019-M

Label Location

Inside View

FCC ID: 2AH8S-20019-M RF Exposure Evaluation 1 Measuring Standard KDB 680106 D01 RF Exposure Wireless Charging App v03 r01 And KDB Tracking Number 671578; TCB Workshop, October 2018, 5.2 RF Exposure Procedures 2 Requirements According to the item 5 of KDB 680106 D01 RF Exposure Wireless Charging App v03 r01: (1) Power transfer frequency is less than 1 MHz Yes (2) Output power from each primary coil is less than or equal to 15 watts. Yes, the wireless outpower is 5W (3) The transfer system includes only single primary and secondary coils. This includes charging systems that may have multiple primary coils and clients that are able to detect and allow coupling only between individual pairs of coils. Yes (3) Client device is placed directly in contact with the transmitter. Yes (5) Mobile exposure conditions only (portable exposure conditions are not covered by this exclusion). No (6) The aggregate H-field strengths at 15 cm surrounding the device and 20 cm above the top surface from all simultaneous transmitting coils are demonstrated to be less than 50% of the MPE limit. Yes 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) Report No.: TW2306181-H Page 2 of 5 Date: 2023-06-28 The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the SHENZHEN TIMEWAY TESTING LABORATORIES.It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the SHENZHEN TIMEWAY TESTING LABORATORIES. to his customer. Supplier or others persons directly concerned. SHENZHEN TIMEWAY TESTING LABORATORIES. will not, without the consent of the client enter into any discussion of correspondence with any third party concerning the contents of the report. In the event of the improper use of the report. The SHENZHEN TIMEWAY TESTING LABORATORIES.reserves the rights to withdraw it and to adopt any other remedies which may be appropriate. 3 Test Setup A: B: Report No.: TW2306181-H Page 3 of 5 Date: 2023-06-28 The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the SHENZHEN TIMEWAY TESTING LABORATORIES.It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the SHENZHEN TIMEWAY TESTING LABORATORIES. to his customer. Supplier or others persons directly concerned. SHENZHEN TIMEWAY TESTING LABORATORIES. will not, without the consent of the client enter into any discussion of correspondence with any third party concerning the contents of the report. In the event of the improper use of the report. The SHENZHEN TIMEWAY TESTING LABORATORIES.reserves the rights to withdraw it and to adopt any other remedies which may be appropriate. 4 Test Procedure 1) The RF exposure test was performed in an echoic chamber; 2) The measurement probe was placed at test distance(15 cm from edges, 20 cm from top) Which is between the edge of the charger and the geometric center of probe, for test setup A; 3) In addition to what is described in KDB 680106 D01v03r01, please measure and provide magnetic and electrical field strength at a distance 10cm to 1cm at 1cm iteration, i.e. at a distance of 10cm, 9cm, 8cm, ....... 1cm. Which is between the edge of the charger and the edge of probe, for test setup B; 4) The highest emission level was recorded and compared with limit as soon as measurement of each points (A, B, C, D, E) were completed; 5) The EUT was measured according to the dictates of KDB680106 D01v03r01; And KDB Tracking Number 671578; TCB Workshop, October 2018, 5.2 RF Exposure Procedures Remark：The EUT’ s test position A, B, C, D and E is valid for the E and H field measurements. The device have AC power in mode and battery power mode . They All have been tested, only report worse case battery power mode. 5 Test Instruments list Test Equipment Manufacturer Model No. SN. Cal.Date (mm-dd-yy) Cal.Due date (mm-dd-yy) EMF Meter NARDA ELT-400 N-0356 Oct 08, 2022 Oct 07, 2023 EMF probe NARDA B-Field Probe M-0812 Oct 08, 2022 Oct 07, 2023 6 Test Result Test Result for Test setup A: Note: Frequency Range 0.1115-0.205 (MHz); <5%, 50 %,> 90% load all have been tested, Only worse case Max load (>90%) is reported. E-Filed Strength at (15 cm from edges A, B, C, D, 20 cm from top E) surrounding the EUT (V/m) Charging Load Worse case Test Position A(V/m) Test Position B(V/m) Test Position C(V/m) Test Position D(V/m) Test Position E(V/m) Limits (V/m) Max load 1.68 1.61 1.45 1.39 1.51 614 H-Filed Strength at (15 cm from edges A, B, C, D, 20 cm from top E) surrounding the EUT (A/m) Charging Load Worse case Test Position A(A/m) Test Position B(A/m) Test Position C(A/m) Test Position D(A/m) Test Position E(A/m) Limits (A/m) Max load 0.73 0.62 0.49 0.48 0.42 1.63 Report No.: TW2306181-H Page 4 of 5 Date: 2023-06-28 The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the SHENZHEN TIMEWAY TESTING LABORATORIES.It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the SHENZHEN TIMEWAY TESTING LABORATORIES. to his customer. Supplier or others persons directly concerned. SHENZHEN TIMEWAY TESTING LABORATORIES. will not, without the consent of the client enter into any discussion of correspondence with any third party …

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Report No.: TW2306181E Applicant: Bestcase and Accessories, Inc. Product: 5000 mAh - Powerbank - Black Model No.: 20019 Trademark: JW Test Standards: FCC Part 15 Subpart C Test Result: It is herewith confirmed and found to comply with the requirements set up by ANSI C63.4&FCC Part 15 Subpart C, for the evaluation of electromagnetic compatibility Approved By Terry Tang Manager Dated: June 28, 2023 Results appearing herein relate only to the sample tested The technical reports is issued errors and omissions exempt and is subject to withdrawal at SHENZHEN TIMEWAY TESTING LABORATORIES Zone C, 1st Floor, Block B, Jun Xiang Da Building, Zhongshan Park Road West, Tong Le Village, Nanshan District, Shenzhen, China Tel (755) 83448688, Fax (755) 83442996, E-Mail:[email protected] Report No: TW2306181E Page 2 of 29 Date: 2023-06-28 The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the SHENZHEN TIMEWAY TESTING LABORATORIES. It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the SHENZHEN TIMEWAY TESTING LABORATORIES. to his customer. Supplier or others persons directly concerned. SHENZHEN TIMEWAY TESTING LABORATORIES. will not, without the consent of the client enter into any discussion of correspondence with any third party concerning the contents of the report. In the event of the improper use of the report. The SHENZHEN TIMEWAY TESTING LABORATORIES. reserves the rights to withdraw it and to adopt any other remedies which may be appropriate. Special Statement： The testing quality ability of our laboratory meet with "Quality Law of People's Republic of China" Clause 19. The testing quality system of our laboratory meets with ISO/IEC-17025 requirements, which is approved by CNAS. This approval result is accepted by MRA of APLAC. Our test facility is recognized, certified, or accredited by the following organizations: CNAS-LAB Code: L2292 The EMC Laboratory has been assessed and in compliance with CNAS-CL01 accreditation criteria for testing Laboratories (identical to ISO/IEC 17025:2017 General Requirements) for the Competence of testing Laboratories. FCC-Registration No.: 744189 The EMC Laboratory 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. Registration No.: 744189. Industry Canada (IC) —Registration No.:5205A The EMC Laboratory has been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing with Registration No.: 5205A. A2LA (Certification Number:5013.01) The EMC Laboratory has been accredited by the American Association for Laboratory Accreditation (A2LA). Certification Number:5013.01 Report No: TW2306181E Page 3 of 29 Date: 2023-06-28 The report refers only to the sample tested and does not apply to the bulk. This report is issued in confidence to the client and it will be strictly treated as such by the SHENZHEN TIMEWAY TESTING LABORATORIES. It may not be reproduced rather in its entirety or in part and it may not be used for adverting. The client to whom the report is issued may, however, show or send it . or a certified copy there of prepared by the SHENZHEN TIMEWAY TESTING LABORATORIES. to his customer. Supplier or others persons directly concerned. SHENZHEN TIMEWAY TESTING LABORATORIES. will not, without the consent of the client enter into any discussion of correspondence with any third party concerning the contents of the report. In the event of the improper use of the report. The SHENZHEN TIMEWAY TESTING LABORATORIES. reserves the rights to withdraw it and to adopt any other remedies which may be appropriate. Test Report Conclusion Content 1.0 General Details................................................................................................ 4 1.1 Test Lab Details................................................................................................ 4 1.2 Applicant Details............................................................................................... 4 1.3 Description of EUT ........................................................................................... 4 1.4 Submitted Sample.............................................................................................. 5 1.5 Test Duration.................................................................................................... 5 1.6 Test Uncertainty................................................................................................. 5 1.7 Test By.......................................................................................................... 5 2.0 List of Measurement Equipment......................................................................... 6 3.0 Technical Details............................................................................................. 7 3.1 Summary of Test Results..................................................................................... 7 3.2 Test Standards.................................................................................................. 7 4.0 EUT Modification............................................................................................ 7 5.0 Power Line Conducted Emission Test................................................................... 8 5.1 Schematics of the Test........................................................................................ 8 5.2 Test Method and Test Procedure............................................................................ 8 5.3 Configuration of the EUT.................................................................................... 8 5.4 EUT Operating Condition..........................................…

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深圳市瑞通千业科技有限公司 客户/Ciient 名称/TYPE A11-6.3UH超薄无线充发射线圈 产品型号 Model NO 单线圈G41.5*0.7双槽有孔45长背胶 产品编号 Part nunbering systey 客户料号 Cient p/NO 工程编号 Enginrer NO 日期/Date 2022年2月18日 本公司工程部/For Enginer Departner Only 修改内容/Rrvised Cintent 认可日期/APProved Date 编制/Prepared 审核/Checked 认可/Approved 万纪美 万纪美 刘成昭 客户认可回签/Authorixed Signaturure Company Chop 工程/ Enginrer 认可/QC APProved 认可日期/APProved 深圳市瑞通千业科技有限公司 一、 线圈工艺/Winding Procese: NO 绕组 线规 匝数 绕线方向 备注 1 N1 2UEW-B-0.08*24*2P 10TS CCW 2 二．电气性能/FEATURES: 1.测试条件（Test conditions）：25°C,65%RH@100kHz/1V 1.1 电感量（Inductance） 1.11 L0A（单独线圈）=3.8uH±20% 1.12 L0A(线圈+磁片)=6.5uH±10% 1.2 Q值=50MIN 1.3 直流电阻（DCR）：60mΩ MAX 1.4 工作温度(Operating Temperature)：-25°C~85°C 2.测试仪器(Test instrument)：L:创达1068+1310;DCR:502BC;SIZE:Callipers 3.材料清单 N O 项目 材料 1 WIRE ￠0.08*24*2p 2UEW- 2 FERRITE 41.5*5.3*0.7 L型双槽 有孔铁氧体硬磁背面双面胶 3 GLUE 水性白胶 4 SOLDER HQ-996/JS-996 5 Tin 千岛纯锡 6 High temperature adhesive 8MM高温胶带 7 8 深圳市瑞通千业科技有限公司 三．电路图/CIRCUIT DIAGRAM 单位： MM 四．外形图/OUTSIDE DIAGRA 注：线圈出线位置缠绕8mm（ref）高温胶纸，磁片背面贴双面背胶。 标准 A B C D E F G STD 41.5± 0.5 38.5±0.5 20.5±0.5 5.3±0.5 80±2 3±1 1.5±0.5 单位： mm 深圳市瑞通千业科技有限公司 五．包装/PACKAGE 5.3包装以现有包装盘为参照标准，以实际出货包装为准，如有特殊要求可定制。 The packaging shall be based on the exusting packing plate and the actual delivery package shall prevail .If there is any requirement,we can customize it. 深圳市瑞通千业科技有限公司 六、贮存和使用条件 Storage and Use condition 6.1 贮存条件 Storage condition 6.1.1 建议贮存条件：温度-25°C~ 85°C ，湿度70% (Max.) Recommended keeping conditions: -25°C ~85°C, 70%RH (Max.) 6.1.2 贮存期限：自生产之日起六个月内 Storage life : Within the limits of six months from being produced. 6.2 使用条件 Use condition 使用条件限制：温度=-25°C~ 85°C, 湿度≤ 90% Use condition limit: T=-25°C~85°C, RH≤ 90%.

Conducted test View: Radiated emission test view: