-What are the rated capacity and actual capacity of the battery?

What are the rated capacity and actual capacity of the battery?
author:enerbyte source:本站 click133 Release date: 2024-06-03 10:10:02
abstract:
1. Rated capacity of battery:It is the battery capacity specified by national standards. The unit is represented by Ah, which reflects the size of the battery's stored energy. The larger the value, the more electricity is stored. Currently, the capacity of electric vehicle batteries on the marke...

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1. Rated capacity of battery:

It is the battery capacity specified by national standards. The unit is represented by Ah, which reflects the size of the battery's stored energy. The larger the value, the more electricity is stored. Currently, the capacity of electric vehicle batteries on the market is generally 10Ah, discharged at a constant current of 5A for 120 minutes.

2. Actual capacity of battery:

Reflect the actual storage capacity of the battery, expressed in Ah ampere hours. The larger the ampere hour, the larger the battery capacity, and the longer the range of electric vehicles. During use, the actual capacity of the battery will gradually decrease. The national standard stipulates that newly produced batteries with actual capacity greater than the rated capacity are qualified batteries. For electric bicycle batteries on the market, discharging at a constant current of 5A takes more than 2 hours (120 minutes), and is greater than (2 hours x 5A) 10Ah. Equivalent to electric vehicles driving continuously on flat roads for more than 2 hours.

3. Discharge cycle life:

It refers to the number of cycles in which a battery is charged and discharged until its capacity decreases to 70% of its rated capacity, and then discharged to a certain depth after being fully charged as one cycle. The more cycles a battery has, the longer its lifespan. The lifespan of an electric bicycle battery should not be less than 350 cycles, and a battery with a lifespan below 350 cycles is considered unqualified.


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