Repair method of balance car 36V lithium battery

Introduction Balance car 36v lithium battery repair method 1. Lithium ion battery repair method 1: Use a rubber brush or other cleaning tools to wipe off the rusty material on the surface. Lithium ion battery

Repair method of balance car 36V lithium battery

1. Lithium-ion battery repair method 1:

Use a rubber scraper or other cleaning tools to wipe off the rusty material on the surface.

Principle of lithium-ion battery repair method:

The metal surface of lithium-ion batteries used since long time will have a certain degree of damage. Battery oxidation causes poor contact between the mobile phone battery and the mobile phone, and the life of the lithium-ion battery is shortened. Use a rubber scraper or other cleaning tools to remove it. The material rusts on the surface, so that the contact between the battery and the cell phone becomes better.

2. Second lithium-ion battery repair method:

Remove your battery after use and use the temperature When the temperature is unstable, the usage timeization of the battery will be greatly shortened, because the battery has no electricity and a considerable part of the lithium ions already have electricity memory. This method can release some of the memory electricity when winter comes. put it away Leave it outside for a while, then bring it inside.

Principle of the second method of repairing a lithium-ion battery:

Low temperature can cause the electrolyte inside the lithium-ion. Ionic battery to change. Promotes chemical reactions in freshly frozen batteries. The process of using lithium-ion batteries is actually a process of charging and discharging. During this time, the negative and positive charges of the battery collide. The reason why batteries are becoming less and less durable is that at normal room temperature, the internal kinetic energy of the electrons is relativelyimportant, so the battery is in an active state and leaks are relatively common. When a lithium-ion battery is placed in a low temperature environment, the microstructure of the lithium film and the electrolyte on the surface of the lithium-ion battery, as well as their interface, will undergo significant changes, resulting in temporary inactivity inside. the battery and reduces the leakage current. Therefore, after recharging, the standby time of the mobile phone battery will be increased.

3. Third method of repairing lithium ion battery:

There is another method, remove the battery and leave it for about a week. To consume electricity slowly, first use a machine to consume it completely. Then charge it fully. I assume your current charge time must be very short. After fully charging it, unplug it and rechargeez it several times.

Principle of the third method of repairing a lithium-ion battery

The lifespan of a battery lithium-ion is about 600 times. If the charging times are too long, the thermal movement of molecules will gradually destroy the microstructure of the internal molecular arrangement and the charge storage efficiency will gradually decrease. The freezing process can easily destroy the original internal structure of the battery. The charging capacity can be increased in a short time, but it may not be effective for long-term use. Once the microstructure of a lithium-ion battery is destroyed, it is impossible to completely recover it. Long-term use of this method will accelerate the loss of cell phone batteries.

Principle of the third method of lithium-ion battery repair: deep repair of the mobile phoneDischarging involves reaching a deeper level of recharge by depleting internal electrical energy, which requires unconventional methods. Find a way to connect the cell phone to a small 1.5V light bulb. The energy in the lithium-ion battery will be transferred to the small bulb until all the light is emitted. Cell phones drain their power slowly thanks to lower voltages. Under normal circumstances, if the mobile phone is connected to a voltage lower than the rated voltage of 3.6 volts, it will automatically turn off. Once discharged, the cell phone battery can be used for longer when recharged.

The battery is a very important part of the mobile phone. The mobile phone needs a battery to work, but after using the battery for a long time, there will be problems. So how to repair the lithium battery of acellphone ? Let me explain below!

How to repair cell phone lithium battery

 1. Use a clean eraser or use cleaning tools made from other materials to gently wipe the lithium battery metal contacts and mobile phone metal contacts, which will improve the charging status and durability of the power supply.

2. Wrap the old cell phone lithium battery that will automatically turn off in plastic wrap and try to wrap it as tightly as possible, with a total of three layers inside and outside, to make sure the battery is in an empty state. Then wrap three layers of newspaper outside the plastic film to completely seal the lithium battery. Place it in the freezer layer of the refrigerator. After 48 hours, remove the battery and remove the six layers of wrapping paper one by one. There is no surface expansion or deformation of the lithium battery due to freezing. After cooling for a while, then charge.

3. Fully discharge the almost discarded lithium battery, then recharge it to activate the battery. The specific method is: deep discharge of the mobile phone is to achieve deeper recharge by exhausting the internal power, which requires unconventional methods.

Use a specific device to connect the cell phone to a small low-voltage light bulb. The energy inside the battery will be transferred to the small bulb until all the light is emitted. "Cell phones must slowly drain due to lower voltages. Under normal circumstances, if the cell phone is connected and is lower than the rated voltage of3.6 volts, it will automatically turn off after discharge, the mobile phone battery recharged." can be used longer.

The lifespan of lithium batteries is about 600 times. If charging times are too long, the thermal movement of molecules will gradually destroy the microstructure of the internal molecular arrangement, and the charge storage efficiency will gradually decrease. "The freezing process can easily destroy the original internal structure of the. battery. It can increase the charging capacity in a short time, but it may not be effective for long-term use," said Professor Ye. The microstructure of the lithium battery is destroyed, it needs to be completely restored. It It is impossible that long-term use of this method will accelerate the loss of cell phone battery

Regarding the "activation" problem of lithium batteries, many opinions.ions are as follows: the charging time should be more than 12 hours, and full charging and discharging should be repeated three times in order to activate the battery. This claim that "the first three charges take more than 12 hours" is for rechargeable batteries from the 1990s. Nickel-cadmium batteries have a memory effect and must be completely discharged to ensure battery capacity. The mobile phone uses a lithium-ion battery that has no memory effect and can be fully charged in 2-3 hours.

Proper maintenance of lithium batteries

1. Mobile phone batteries are most afraid of high or low temperatures

1. above 100℃

This will seriously affect the battery life and energy storage capacity, and may cause the battery to melt or explode. Therefore, please keep lithium batteriesum away from fire and other heat sources.

2. High temperature from 35℃ to 100℃

Yes, you read correctly, from 35℃ (human body temperature is generally 36.2℃ to 37.2℃), battery life begins to be affected. Temperature has an obvious impact, and the higher the temperature, the greater the impact.

The rated life of lithium batteries is at least 800 times fully charged and discharged. Based on the average charge of a mobile phone once per day, a battery should last approximately three years. But the vast majority of batteries don't last that long. This is largely explained by the fact that the battery is affected by the temperature of the human body, and by the heat generated by the other chips of the mobile. phone.

Why do laptop batteries always seem to last less than cell phone batteries? This is dueto the fact that: First, laptops generate much more heat when operating than cell phones, and the heat from the computer chip is easily transmitted to the battery. easy to exceed 40℃. Second, in order to charge faster, laptops generally have higher charging current and larger battery capacity, and the battery itself generates heat during charging and discharging. Third, the battery is usually located on the bottom panel, making it less likely to dissipate heat.

Also, if your device generates more heat during use, such as making long calls on your mobile phone, playing large games on your mobile phone, or playing games on your laptop, this heat will be conducted to the battery, Additionally, the heat generated by the battery itself during thecharging will not pose a safety risk, but it will also affect the battery.

So if you find that the device is noticeably warm while charging (like an iPhone playing 3D games while charging), you might consider waiting until it is fully charged before charging. play with the charging cable.

3. Below -40 ℃

It will reach the freezing point and freeze completely.

4. Low temperature from 10℃ to -40℃

This will reduce battery life, but will not cause permanent damage to the battery as long as the temperature returns piece. .

2. Ideal condition of lithium batteries

It is more suitable that the working environment temperature of lithium batteries is around 20 ℃ (almost at 'interior). Temperature). At this time, the battery discharge and charge performance can be maximized. If you want to leave the batteryidle for a long time (more than three months), be sure to charge it to about 40% before leaving it idle (forget it for a short time, the key is the problem). For this reason, when the battery leaves the factory, the battery factory charges it to 40% before leaving the factory. The lower the temperature of the unused battery, the slower it will age, but it should not be below -40℃.

Proper use of lithium batteries

1. New batteries: No treatment is required, such as activation, etc., and can be used normally. directly.

2. Batteries that have not been left unused for a long time (within three months): do not require any treatment (such as activation, etc.) and can be directly used normally.

3. Batteries that have been left unused for a long time (more than three months) can be activated to amener battery activity to its highest level, or to not allow it to naturally return to its highest activity with normal use.

4. For electronic product evaluators, to ensure accurate battery life statistics, it is necessary to perform activation processing before testing.

The right way to charge your cell phone

Don't worry, charge it whenever you want and you can stop charging at any time no problem. scruples. This is an important advantage of lithium batteries: no memory effect. But don't wait until your phone runs out of power and automatically turns off before recharging it. It is also necessary to carry out a full cycle of discharge and charge at least once a month, that is, use the phone's energy to less than 20%, then charge it up to Thislet it be full. Once it's full, let it charge. some time. In short, just one sentence to summarize: recharge as you go, don't wait for it to run out to recharge, recharge it once a month.

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