Battery Charge-Discharge Testing

The Battery Charge-Discharge Test is one of the most important qualifying tests to assess a battery manufacturer’s claimed life cycle. In this test, the battery is subjected to repeated charge-discharge cycles.... Read More

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    Battery Charge-Discharge Testing

    Advancements in batteries have created a demand for high quality and precision products to ensure better performance. Among various battery testing methods, charge-discharge testing is one of the battery performance evaluation techniques. This test is performed to determine the number of charge-discharge cycles a battery can undergo before degradation in its performance. The standard test method is to repeat the charge-discharge cycle at recommended rates. Generally, this repetitive loop is studied at a constant current with a set voltage.

    The cycle life of a battery is defined as the number of charge/discharge cycles that a battery can complete before its charge capacity falls below 80% of the initial capacity. Batteries in vehicles call for charge-discharge testing, as a combined profile of charge and discharge cycle is used to access the battery’s cycle life. 

    Typically, there are three different types of batteries available in the market i.e. Lithium-ion batteries, Nickel-cadmium batteries, and Lead-acid batteries. The life cycle of these batteries depends on the temperature, depth of discharge, and charging cycle.

    Video 01: Method to charge and discharge batteries

    Common Uses of Battery Charge-Discharge Testing

    • Determine the cycle life of a battery
    • Battery R&D

    Advantages of Battery Charge-Discharge Testing

    • Helps in accessing the cycle life of batteries
    • Increases the quality standard of batteries

    Limitation of Battery Charge-Discharge Testing

    • Requires skilled labor 
    • It is an additional cost 

    Industrial Application of Battery Charge-Discharge Testing

    • Battery manufacturing industry
    • Automobile

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