I. Overview of the IECEE Certification System

The IECEE CB Scheme is a global mutual recognition system based on IEC standards, covering 54 member countries and regions including major economies like the EU, USA, Japan, Australia, and South Korea.

Its core value lies in the "test once, accept everywhere" model. Products tested at any IECEE-recognized NCB (National Certification Body) laboratory can obtain CB test reports and certificates that are recognized by other member countries, enabling quick conversion to local certifications.

For battery, energy storage, and consumer electronics companies, this system helps overcome the technical barriers created by varying national certification requirements, avoiding redundant testing and shortening time-to-market.

II. IECEE Certification Requirements for Battery Products

Portable Device Batteries

• Standard: IEC 62133
• Scope: Lithium-ion and nickel-based batteries for portable electronics
• Tests: Continuous charging, external short circuit, overcharge, forced discharge, crush, drop
• Special requirements: Thermal abuse testing for lithium-ion batteries

Industrial Energy Storage Batteries

• Standard: IEC 62619
• Scope: Fixed energy storage systems, telecom backup power
• Focus: BMS functional safety evaluation
• Characteristics: Comprehensive safety assessment including thermal abuse testing

Automotive 动力电池

• Standard: IEC 62660
• Scope: Traction batteries for electric vehicles
• Focus: Safety performance under high-power conditions
• Updates: 2022 version strengthened safety testing requirements

III. Certification Considerations for Energy Storage Systems

Portable Energy Storage (PES)

• Standards: IEC 62619 + IEC 62368-1
• Features: Combined battery storage and power conversion
• Focus: Charge/discharge management, temperature control, circuit protection

Home Energy Storage Systems

• Standards: IEC 62477-1 + battery standards
• Special requirements: Grid connection safety, islanding protection
• Installation: Long-term reliability assessment for fixed installations

IV. Certification Highlights for Consumer Electronics

Based primarily on IEC 62368-1 for audio/video, information, and communication technology equipment:

Power Adapters

• Key tests: Clearance, creepage distance, flame-retardant enclosures
• Considerations: Adaptability to different national grid standards

Smart Terminals

• Focus: Integrated safety of battery and host device
• Scenarios: Normal use and reasonably foreseeable misuse

Household Appliances

• Standards: IEC 60335 series
• Focus: Protection against mechanical, thermal, and electrical hazards

V. Certification Process and Implementation Steps

1. Preparation:

   • Identify target markets and standard differences
   • Select qualified NCB
   • Prepare technical documentation and samples

2. Testing:

   • Conduct full safety testing at CBTL
   • Implement necessary product improvements
   • Address all non-conformities

3. Certification:

   • NCB reviews report and issues CB certificate
   • Obtain complete CB test report

4. Local Conversion:

   • Apply for local certification using CB documents
   • Usually requires only supplementary testing

VI. Common Certification Challenges

Standard Interpretation Issues

• Problem: Inaccurate understanding leading to design flaws
• Solution: Early technical communication with certification bodies

Test Failures

• Common issues: Insulation withstand voltage failures, excessive temperature rise
• Solutions: Circuit optimization, improved heat dissipation

Documentation Problems

• Requirements: Complete technical files and accurate BOM
• Prevention: Establish robust document management system

VII. Key Factors in Selecting a Certification Partner

• Accreditation: IECEE-recognized NCB status
• Experience: Track record in battery, storage, and consumer electronics
• Network: Multinational certification conversion capabilities
• Technical capability: Complete testing facilities and Professional team
• Efficiency: Testing turnaround and responsiveness