The electric bike's lithium battery is too discharged, how should I repair it?

Introduction The electric bike's lithium battery is too discharged, how should I repair it? Once the electric bike lithium battery is over-discharged, it cannot be recharged and can be repaired by yourself. 1. After the electric bike lithium battery is discharged,

The electric bike's lithium battery is too discharged, how should I repair it?

Once the electric bike's lithium battery is over-discharged, it can no longer be recharged. You can repair it yourself.

1. Once the electric bicycle lithium battery is over-discharged, it cannot be recharged because the battery capacity liquid is reduced and vulcanized. If it's not serious and only loses power occasionally, you can add a little diluted solution. sulfuric acid or sulfuric acid diluted 1:1.28.

2. Once an electric bike's lithium battery has been over-discharged for a long time, it cannot be recharged. If it loses power for a long time, the battery will be seriously vulcanized. the battery needs to be replaced.

Detailed information

How to properly maintain the battery:

1. From the time the battery leaves the factory to the time it is used. is installed in the carre then in your hands A rollover process During the rollover period, the battery will have insufficient capacity due to self-discharge. Therefore, the battery should be charged with a built-in charger until it is sufficient.

2. If you go on a business trip for a long time, the battery should be fully charged before storage, and the battery should be recharged once a month in the future to prevent it from being damaged by sulfate plate due to long-term storage of battery power loss may lead to capacity reduction or even disposal.

3. When using electric vehicles in summer, you should pay attention to the following points:

Avoid exposure to the scorching sun, and charging in high temperature environments is strictly prohibited.

Avoid recharging immediately after driving in temperahigh temperatures to prevent the charging time from being too long (normally around 8 hours).

If the power box becomes hot or the indicator light does not turn green when charging the battery, you should promptly go to the battery store or after-sales service point of our company for inspection and maintenance of the battery or charger. .

Baidu Encyclopedia - Electric Vehicle Batteries

Overdischarge or overcharge of all lithium batteries in the world will cause irreversible crystallization lithium compounds they contain. battery. In simple terms, the battery is discarded and the only solution is to replace the battery cells.

Lithium batteries do not have a “memory effect” like nickel-chromium batteries. Basically what we often see now are 18650 lithium batteries which aret also a lithium battery type and will not. used for a long time, then you will find that the battery cannot be charged. This is due to over-discharging, meaning the battery voltage has been lower than the battery's discharge cut-off voltage, which is usually. about 2.5V for ordinary lithium batteries.

Advantages

1. High voltage

The operating voltage of a single battery is also high. like 3.7-3.8V (lithium iron phosphate is 3.2V), which is three times that of Ni-Cd and Ni-MH batteries.

2. Large specific energy

The actual specific energy that can be obtained is about 555Wh/kg, that is, the material can achieve a specific capacity. of more than 150mAh/g (3 to 4 times that of Ni-Cd, 2 to 3 times that of Ni-MH), which is close to its theoretical value About 88%.

3. Long service life

Generally, it can reach more than 500 times, even more than 1,000 times, and lithium iron phosphate can reach 8,000 times. . For electrical appliances with low current discharge, the battery life will double the competitiveness of the electrical appliance.

4. Good safety performance

No pollution and no memory effect. As the predecessor of Li-ion, lithium batteries tend to form dendrites and short circuits due to metallic lithium, which reduces their application areas: Li-ion does not contain cadmium, lead , mercury and other elements polluting the environment; certain processes (such as sintered Ni-Cd batteries) have a major disadvantage: the "memory effect", which seriously limits the use of batteries, but Li-ion does not have this problem at all.

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