This standard specifies the requirements, test methods, inspection rules and markings, packaging, storage, and transportation of lithium-ion power chargers (hereinafter referred to as chargers) for mobile communication handheld devices. This standard applies to chargers for lithium-ion power supplies used in mobile communication handheld devices. 2 Normative References: The clauses in the following documents become the clauses of this standard through the reference surface of this standard. For dated reference documents, all subsequent amendments (excluding corrected content) or revisions are not applicable to this standard. Therefore, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest version applies to this standard. GB 2099.1-1996 Plugs and Sockets for Household and Similar Purposes - Part I: General Requirements (eqv IEC 60884-1:1994) GB/T 2423.1-2001 Environmental Testing of Electrical and Electronic Products - Part 2: Test Methods: Test A; Low temperature (idt IEC60068-2-1: 1990) GB/T 2423.2-2001 Environmental Testing for Electrical and Electronic Products - Part 2: Test Method: Test B; High temperature (idt IEC60068-2-2:1974) GB/T 2423.8-1995 Environmental testing for electrical and electronic products - Part 2: Test methods - Test Ed; Free Fall (idt IEC60068-2-32:1990) GB/T 2423.9-2001 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods, Test Cb: Constant Damp Heat for Equipment (idt IEC60068-2-56: 1988) GB/T 2423.10-2008 Environmental Testing for Electrical and Electronic Products - Part 2: Test Methods, Test Fc; Vibration (Sine) (IEC60068-2-6: 1995.1DT) GB/T 2828.1-2003 Sampling Inspection Procedures by Count, Part 1: Acceptance Quality Limit (AQL) Batch by batch inspection sampling plan for retrieval (ISO 2859-1; 1999.1DT) GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (applicable to inspection of process stability) GB/T 3873-1983 General technical conditions for packaging of communication equipment products GB4943-2001 Safety of information technology equipment (idt IEC 60950; 1999) GB/T 5013.4-2008 Rubber insulated cables with rated voltages up to and including 450/750 V - Part 4: Flexible cords and cables GB 5023.5-1997 PVC insulated cables with rated voltages up to and including 450/750 V - Part 5; Flexible cables (flexible cords) (idt IEC 227-5:1979)
Function of testing report:
1. Project bidding: Issue authoritative third-party CMA/CNAS qualification report
2. Online e-commerce platform entry: Quality inspection report recognized by major e-commerce platforms 3. Used as a sales report: issuing legally effective testing reports to make consumers more confident 4. Papers and research: Provide professional personalized testing needs 5. Judicial services: providing scientific, fair, and accurate testing data 6. Industrial problem diagnosis: Verify the troubleshooting and correction of industrial production problemsBaijian and testing process:
1. Telephone communication and confirmation of requirements
2. Recommend solutions and confirm quotations 3. Mail samples and arrange testing 4. Progress tracking and result feedback 5. Provide reports and after-sales service 6. If urgent or priority processing is requiredTesting and testing characteristics:
1. The testing industry is fully covered, meeting different testing needs
2. Fully cover the laboratory and allocate localized testing nearby3. Engineers provide one-on-one services to make testing more accurate
4. Free initial testing, with no testing fees charged
5. Self service order delivery for free on-site sampling
6. Short cycle, low cost, and attentive service 7. Possess authoritative qualifications such as CMA, CNAS, CAL, etc 8. The testing report is authoritative and effective, and is generally used in China