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Secondary cells and batteries

What are Secondary cells and batteries?

In Common Words those batteries are rechargeable are known as secondary batteries.Secondary batteries & Cells are the rechargeable. They have the advantage of being more cost-efficient over the long term.

Applications Secondary cells and batteries:


Power tools

Motor drives

Laptop computers

Mobile phones



Our Accreditations (ITC India Pvt. Ltd.)

ITC India Electrical Safety Testing Laboratory Accreditated by NABL (ISO/IEC 17025) & BIS. For any query Email us ( ) or Visit our Website ( )

For the safe operation or safety purposes IEC ( International Electrotechnical Commission) Introduce the IEC 62133 ( for more info visit our website ( ) the standard for Secondary cells and batteries containing alkaline or other non-acid electrolytes.  This standard covers rechargeable Nickel cells and batteries, as well as lithium ion (Li-Ion) cells and batteries.

About the IEC 62133 Standard

IEC 62133 is the most important standard for exporting Lithium-Ion batteries, including those used in IT equipment, tools, laboratory, household and medical equipment.

Following Tests as per IEC 62133/IS 16046

ClauseMeasurement/testingTesting / measuring equipment / material needed
5.2Insulation resistanceInsulation resistance measurement equipment. Per IEC 62133-1:2017, Clause 5.2.
6Type test conditionsTemperature recorder.
7.1Charging procedures for test purposesDC power supply.
Electric load.
7.2.1Continuous low-rate charging (cells)Multimeter.
DC power supply.
7.2.2VibrationVibration tester. Per IEC 62133-1:2017, Clause 7.2.2.
7.2.3Case stress at high ambient temperature (batteries)Oven.
7.2.4Temperature cyclingOven. Per IEC 62133-1:2017, Clause 7.2.4.
7.3.1Incorrect installation (cells)Multimeter.
7.3.2External short circuitMultimeter – 80 mΩ ± 20 mΩ.
Temperature measurement device. Per IEC 62133-1:2017, Clause 7.3.2.
7.3.3Free fallConcrete floor.
Height measurement.
7.3.4Mechanical shock (crash hazard)Shock tester. Per IEC 62133-1:2017, Clause 7.3.4.
7.3.5Thermal abuse (cells)Oven. Per IEC 62133-1:2017, Clause 7.3.5.
7.3.6Crushing of cellsCrush tester. Per IEC 62133-1:2017, Clause 7.3.6. Multimeter.
7.3.7Low pressure (cells)Vacuum chamber. Per IEC 62133-1:2017, Clause 7.3.7.
7.3.8OverchargeDC power supply.
7.3.9Forced discharge (cells)DC power supply.
8.2Small cell and battery safety informationIngestion gauge. Per IEC 62133-1:2017, Figure 2.

Sample Test Report

For Sample test report of Is 16046/IEC 62133 visit our website ( ) or Email us for any clarification ( )

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