2BB9G-KEC-5000Smart li polymer Battery Pack

LED display when charging Prod Batte Type DCO Mate Size Prod Con v Prod 1.Th 2.Lo 3,sh 4.S e s Capacity 0%- 25% 50% 75% 1 ductSpecifi eryCapacity：5 e-CInput：5V- Output：5V-2A erial：ABS+PC ：77*59*13m m uctweight：1 versionefficien ductinstruc hisproductisu ongpressthep ortpressthep eeattachedtab LED status y percentage -25% %-50% %-75% %-99% 100% ication 5000mAh 2A A m 10g ncy:85% ctions usedtopower powerbuttont powerbuttona bleforthepow LE Twin Bri Bri Bri Bri Smart li polymer Battery Pack Instr heatingprodu toturnon,and aftertheboot werdisplay. figur ED1 nkle ght ght ght ght uction M ucts,suchashe dlongpressto canbeadjust e re lamp s LED2 Destro Twinkl Brigh Brigh Brigh Manual eatingclothes, turnoff. ed,adjustedto tatus oy le t t t heatingglove oseetheattach LED3 Destroy Destroy Twinkle Bright Bright es,etc. hedtable. LED4 Destroy Destroy Destroy Twinkle Bright Bluetoothconnectionmethod 1、 Mobile phone scan code download APP 2、After turning on the power switch of the product, operate on the APP and connect the Bluetooth to use it. SafetyInstruction 1、Please read the instructions and product surface words carefully before using. 2、Please keep away from heat sources, high voltage or reachable for children when using the power bank,do not drop the product. 3、Charging the power bank by USB to computer or adapter, charging time is no more than 24 hours.(Charging is finished when all indicators light and unplug the power bank). 4、Please do not disassemble the product by yourself and keep away from damp place for safety. 5、When out of service for long period, the power bank is better in half of power state and shouldbe stored in a dry and cold place. LED display when discharging LED status Capacity percentage LED1 LED2 LED3 LED4 Output 100% Bright Bright Bright Bright Output 75% Bright Bright Bright Destroy Output 50% Bright Bright Destroy Destroy Output 25% Bright Destroy Destroy Destroy 6、Waste power bank should be duly handle, do not put into fire or water. ISED Canada Statement: This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada 's licence exempt RSS(s). Operation is subject to the following two conditions: 1)this device may not cause interference and 2)this device must accept any interference, including interference that may cause undesired operation of the device. Radiation Exposure: This equipment complies with Canada radiationExposure limits set forth for an uncontrolled environment to maintain compliance with IC's RF Exposure guidelines. This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter. Déclaration du Canada: Ce dispositifcontient un (S) émetteur (S)/ récepteur (S) exempté (S) de licence qui respectel’innovation, Science et développementéconomique Canada a exempté le ou les RSS de licence. L’exploitationestsoumise aux deux conditions suivantes: 1) cetappareil ne doit pas causer d’interférences et 2) cedispositif doit accepter touteinterférence, y compristouteinterférencepouvantentraîner un fonctionnementindésirable du dispositif. Exposition au rayonnement: cetéquipementestconforme au rayonnement Canada Les limitesd’expositionfixées pour un environnement non contrôléafin de maintenir la conformité avec les lignes directrices d’exposition aux RF d’IC. Ce dispositif et sesantennes ne doivent pas être co-localisésnifonctionnerenconjonction avec uneautreantenneou un autreémetteur. FCC Warning 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 1: 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. NOTE 2: Any changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Dongguan Jintai Electronic Technology Co., LTD. 2.911 (d)(5)(i) Equipment Type Attestation v1.2 Section 2.911(d)(5)(i) Certification – Equipment Type Company name: Dongguan Jintai Electronic Technology Co., LTD. Address: Third floor, Building A, 217 South Jie Road, Xiaojie Jiao Community, Humen Town, Dongguan City, China Product Name: Smart li polymer Battery Pack FCC ID: 2BB9G-KEC-5000 Model(s): KEC-5000 2.911(d)(5)(i) Equipment Type We, [Dongguan Jintai Electronic 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: Sophie Long Date: Aug. 22, 2023 Title: Engineer Company name: Dongguan Jintai Electronic Technology Co., LTD. Signature: 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

Dongguan Jintai Electronic Technology Co., LTD. 2.911 (d)(5)(ii) Applicant Attestation v1.3 Section 2.911(d)(5)(ii) Certification – Applicant (Covered List ) Company name: Dongguan Jintai Electronic Technology Co., LTD. Address: Third floor, Building A, 217 South Jie Road, Xiaojie Jiao Community, Humen Town, Dongguan City, China Product Name: Smart li polymer Battery Pack FCC ID: 2BB9G-KEC-5000 Model(s): KEC-5000 2.911(d)(5)(ii) Applicant filing We, [Dongguan Jintai Electronic Technology Co., LTD.] (“the applicant”) certify that, as of the date of the filing of the application, the applicant 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: Sophie Long Date: Aug. 22, 2023 Title: Engineer Company name: Dongguan Jintai Electronic Technology Co., LTD. Signature: 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

Dongguan Jintai Electronic Technology Co., LTD. Agent Authorization Company: Dongguan Jintai Electronic Technology Co., LTD. Address: Third floor, Building A, 217 South Jie Road, Xiaojie Jiao Community, Humen Town, Dongguan City, China Product Name: Smart li polymer Battery Pack Model Number(s): KEC-5000 Product Description: Smart li polymer Battery Pack 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. Signature: Date: Aug. 22, 2023 Name: Sophie Long Title: Engineer Company: Dongguan Jintai Electronic Technology Co., LTD.

Dongguan Jintai Electronic Technology Co., LTD. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Aug. 22, 2023 Subject; Request for Confidentiality FCC ID: 2BB9G-KEC-5000 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, Signature: Name: Sophie Long Title: Engineer

Annex A External Photos Test Model No.: KEC-5000 Page 1 of 4 Test Model No.: KEC-5000 Page 2 of 4 Test Model No.: KEC-5000 Page 3 of 4 Test Model No.: KEC-5000 Page 4 of 4

FCC ID LABEL: Ca. 20mm x 20mm Label Location FCC ID: 2BB9G‐KEC‐5000

Annex B Internal Photo Test Model No.: KEC-5000 Page 1 of 3 Test Model No.: KEC-5000 Page 2 of 3 Antenna Test Model No.: KEC-5000 Page 3 of 3

FCC RF Exposure EUT Description: Smart li polymer Battery Pack Model No.: KEC-5000 FCC ID: 2BB9G-KEC-5000 1. Limits According to KDB 447498 D04 General RF Exposure Guidance v01 The 1‐g and 10‐g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤50 mm are determined by: [(max power of channel, including tune‐up tolerance, mW)/(min. test separation distance, mm)]·[√f(GHz)]≤3.0 for 1‐g SAR and ≤ 7.5 for 10‐g extremity SAR, Where: Result=P/D*√F F= the RF channel transmit frequency in GHz P=Maximum turn‐up power in mw D=Min. test separation distance in mm 2. Test Result of RF Exposure Evaluation Output power (dBm) Tune Up Power (dBm) Max Tune Up power dBm/mW Min test separati on distance mm ResultLimit SAR Test Exclusion BLE 2.86 2±1(3) 1.995 5 0.6183.0 Pass Note: PK Output power= conducted power. Conducted power see the test report HK2308163720-E, antenna gain=1.81dBi Per KDB 447498 D04, when the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. The test exclusion threshold is 0.618 which is<= 3, SAR testing is not required. Note: Exclusion Thresholds Results=[(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)] ·[√f (GHz)] f(GHz) is the RF channel transmit frequency in GHz Distance=5mm

HW-B01PIFAantennadesignspecification: ThisPIFAantennaisusedinHW-B01moduleswithwholelayoutboardwhichsizeis 4.2mm*8.5mmandthicknessis0.4mm （ FR4 ） 11 NormalDonglePIFAAntenna TheperformanceofS11HW-B01asblowshowandtheworkingfrequencyband cover2.4GISMandbandwidthiswiderthannormalantenna. 1-2NormalDonglePIFAS11performance Thegainofthisantenna2Dand3Dasblowshowandthemaximumgainisabout1.5dB. 1-3NormalDonglePIFAgain

Page 1 of 44 Report No.: HK2308163720-E FCC Test Report FCC PART 15 SUBPART C 15.247 Test report On Behalf of Dongguan Jintai Electronic Technology Co., LTD. For Smart li polymer Battery Pack Model No.: KEC-5000 FCC ID: 2BB9G-KEC-5000 Prepared For : Dongguan Jintai Electronic Technology Co., LTD. Third floor, Building A, 217 South Jie Road, Xiaojie Jiao Community, Humen Town, Dongguan City, China Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1-2/F., Building B2, Junfeng Zhongcheng Zhizao Innovation Park, Heping, Fuhai Street, Bao’an District, Shenzhen, Guangdong, China Date of Test: Aug. 16, 2023 ~ Aug. 22, 2023 Date of Report: Aug. 22, 2023 Report Number: HK2308163720-E Page 2 of 44 Report No.: HK2308163720-E Test Result Certification Applicant’s name ................... : Dongguan Jintai Electronic Technology Co., LTD. Address .................................... : Third floor, Building A, 217 South Jie Road, Xiaojie Jiao Community, Humen Town, Dongguan City, China Manufacture's Name .............. : Dongguan Jintai Electronic Technology Co., LTD. Address .................................... : Third floor, Building A, 217 South Jie Road, Xiaojie Jiao Community, Humen Town, Dongguan City, China Product description Trade Mark: N/A Product name ............................. : Smart li polymer Battery Pack Model and/or type reference .. : KEC-5000 Standards ................................ : 47 CFR FCC Part 15 Subpart C 15.247 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK 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. Date of Test .............................................. : Date (s) of performance of tests ................ : Aug. 16, 2023 ~ Aug. 22, 2023 Date of Issue ............................................. : Aug. 22, 2023 Test Result ................................................. : Pass Prepared by: Project Engineer Reviewed by: Project Supervisor Approved by: Technical Director Page 3 of 44 Report No.: HK2308163720-E Contents Page 1 Test Summary ................................................................................................................................................ 5 1.1 Test Description ......................................................................................................................................... 5 1.2 Measurement Uncertainty ......................................................................................................................... 6 1.3 Information of the Test Laboratory ............................................................................................................ 6 2 General Information ....................................................................................................................................... 7 2.1 General Description of EUT ...................................................................................................................... 7 2.2 Description of Test Conditions .................................................................................................................. 9 2.3 Description of Test Setup ........................................................................................................................ 10 2.4 Description of Support Units .................................................................................................................... 11 3 Equipments List for All Test Items ............................................................................................................. 12 4 Test Result .................................................................................................................................................... 14 4.1 Antenna Requirement.............................................................................................................................. 14 4.2 Conduction Emissions Measurement ...................................................................................................... 15 4.3 Radiated Emissions Measurement .......................................................................................................... 19 4.4 Maximum Output Power Measurement ................................................................................................... 28 4.5 Power Spectral Density ........................................................................................................................... 29 4.6 6db Bandwidth ......................................................................................................................................... 32 4.7 Occupied Bandwidth ................................................................................................................................ 35 4.8 Band Edge ............................................................................................................................................... 36 4.9 Conducted Spurious Emissions .............................................................................................................. 38 5 Test Setup Photo ......................................................................................................................................... 42 6 Photos of the EUT ........................................................................................................................................ 44 Page 4 of 44 Report No.: HK2308163720-E ** Modified History ** Revision Description Issued Data Remark Revision 1.0 Initial Test Report Release Aug. 22, 2023 Jason Zhou Page 5 of 44 Report No.: HK2308163720-E 1 Test Summary 1.1 Test Description Test Item Test Requirement Result Antenna Requir…

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Radiated Emissions Conducted Emission