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How long does the electric bicycle battery need to be replaced

How long does the electric bicycle battery need to be replaced

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Recently, an electric bicycle user asked me such a question, that is, how long does the electric bicycle battery need to be replaced? Regarding this issue, as an industry master, I will give you a detailed analysis today so that more people can understand it better.

Recently, an electric bicycle user asked me such a question, that is, how long does the electric bicycle battery need to be replaced? Regarding this issue, as an industry master, I will give you a detailed analysis today so that more people can understand it better.
First of all, we look at the normal use of the electric bicycle battery. As the current mainstream electric bicycle batteries are lead-acid batteries and lithium batteries, and lead-acid batteries generally have a maximum charge and discharge times of about 360, which means that under normal driving conditions, if an electric bicycle is charged once every three days, the electric bicycle battery is approximately Can be used for 3 years. The maximum number of charging and discharging of a lithium battery is more than 500 times. The electric bicycle battery can be used for about 4 and a half years if it is charged once in three days. Therefore, from this perspective, whether it is a lithium battery or a lead-acid battery, under normal driving conditions, a new battery only needs to be replaced every 3 to 5 years.


Secondly, we look at the situation from the excessive use of the battery. Many users like to use electric bicycles to pull goods or drive for long distances. This makes electric bicycles charge once a day, which means that the service life of electric bicycle batteries will be consumed prematurely. As far as lead-acid batteries are concerned, they can only be used for about one year, and lithium batteries can only be used for one and a half years at most. Of course, in this case, the electric bicycle battery may be strained or even scrapped in advance. Therefore, from this perspective, the excessive use of electric vehicles requires replacement of new batteries every one to one and a half years.
Finally, let's look at how long the electric bicycle battery needs to be replaced when it is lightly used. Some users usually use electric vehicles less frequently, and they are likely to charge them only once a week, and the loss of the battery is relatively small. In the case of lead-acid batteries, considering battery aging, it can be used for about 5 years, while for lithium batteries, it can be used for about 7 years. Therefore, from this perspective, whether it is a lithium battery or a lead-acid battery, in the case of light use, a new battery only needs to be replaced every 5 to 7 years. Of course, users need to pay attention to that if the electric bicycle is not used for a long time, the battery may also be vulcanized and shorten the life of the electric bicycle battery. Therefore, at least the frequency of charging once a week should be maintained.
In short, how often the electric bicycle battery needs to be replaced is calculated based on the user's frequency of use. If the frequency is higher, the replacement cycle will be shorter. Of course, if you develop good maintenance habits in your daily life, you can extend the battery replacement cycle to a certain extent.