The CB system is an international system operated by the "International Electrotechnical Commission Electrotechnical Product Qualification Testing and Certification Organization" (IECEE). The certification bodies of each member country of IECEE test the safety performance of electrical products based on the IEC standard.

1. IECEE

 The full name of IECEE is "International Electrotechnical Commission Electrotechnical Product Qualification Testing and Certification Organization". It is an international certification organization under the International Electrotechnical Commission (IEC).

 The purpose of IECEE is to promote the international trade of electrical products mainly used in homes, offices, workshops, health care and similar places.

 The ultimate goal of IECEE's implementation of international certification is: one electrical product, one IEC standard, one test, one conformity assessment, to be accepted globally.

2. IECEE-CB system

The IECEE-CB system is "a mutual recognition system for electrical product test certificates". The system is based on mutual recognition (two-way acceptance) of test results between members participating in the CB system to obtain national certification or approval, so as to achieve the purpose of promoting international trade. The CB system applies to electrical products within the scope of the IEC standard adopted by IECEE. The CB certificate is a document issued by a certification body that participates in the CB system with certification and accreditation qualifications. The CB certificate is only valid when the relevant CB test report is attached.

The implementation unit of the CB system is the national certification body (NCB) accepted according to the CB system rules, and the CBTL (CB testing laboratory) accepted by the CB system is also used by the NCB.

3. The main goals of the CB system

The means of promoting international trade is to promote the harmonization of national and international standards and the cooperation of product certification agencies to bring manufacturers closer to the ideal one-time test and the goal of global recognition. The advantage of obtaining a CB certificate is that when applying for certification in various countries, the CB report can greatly save time and cost.

4. Advantages of Lithium Battery CB Certification

The vast majority of electrical and electronic products need to meet different regulations when entering various countries. In the past, obtaining product safety certification from various countries was a difficult and time-consuming process. But now relying on the CB system, manufacturers can obtain safety certifications from more than 50 countries at once.

After successfully completing the test, a CB test certificate and corresponding CB test report will be issued for the product. The certificate and report together constitute an international pass, and the manufacturer can apply for national certification from any national certification body in the country or region participating in the CB system, and no additional testing is usually required.

5. Lithium battery CB certification product range

Portable sealed secondary battery cells and batteries (groups) containing alkaline or non-acid electrolyte

Lithium battery CB certification test standard

IEC 62133

Secondary cells and batteries (groups) containing alkaline or non-acid electrolytes: safety requirements for portable sealed secondary cells and batteries (groups) used in portable equipment

6. The main test items for CB certification of lithium batteries:

Cell: continuous low rate charging, vibration, temperature cycling, external short circuit, free fall, shock (collision), thermal misuse (thermal shock), extrusion, low air pressure, overcharge, forced discharge, high rate charging Protection function (lithium system), labeling and packaging, incorrect installation (nickel system).

Battery: Vibration, shell stress at high temperature, temperature cycling, external short circuit, free fall, impact (collision), marking and packaging, overcharge (nickel system power: I5O-I403-I958).

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