Cycle is to use, we are using the car emergency start power, concerned about the use of time, in order to measure how long the car emergency start power can use such a performance, it provides the definition of the number of cycles. The actual user ever-changing , Because different conditions of the test is not comparable, there must be a comparison of the definition of cycle life.
GB specifies the cycle life of automotive emergency start power test conditions and requirements: constant current and constant voltage at 25 degrees at room temperature with 1C charging system charging 150 minutes to discharge constant current 1C discharge system to 2.75V until the end of a cycle. When a discharge time of less than 36 minutes when the end of the test, the number of cycles must be greater than 300 times.
Explanation:
A. This definition provides that the test of cycle life is carried out in deep and deep way.
B. The provisions of the cycle life in accordance with this model must be performed after more than 300 times the capacity is still more than 60%.
Another measure of the cycle life is time.It has been pointed out experts in the car emergency start using the power often put forward the general automotive emergency start power life is 2 to 3 years, with the actual situation, such as 60% Capacity for the termination of life, coupled with the automotive emergency start power aging effect, time to express the cycle life I think more reasonable.
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