How to activate a starving lithium battery

Introduction How to activate a starving lithium battery? A starving lithium battery is actually a non-technical term. In lithium battery technology, lithium batteries that are not used for a long time and cannot be recharged in time are called starvation.

How to activate a starving lithium battery

A starving lithium battery is actually a layman's term. In lithium battery technology, lithium batteries that are not used for a long time and cannot be recharged in time are called starvation. Since lithium batteries are full of chemicals, once they fail, it is an irreversible process and the internal chemical materials cannot be reactivated by technical means. Therefore, in this case, only new lithium batteries can be replaced to ensure normal use.

What to do if an electric vehicle's lithium battery is discharged

The simplest way to reactivate the lithium battery is as follows:< /strong>

1. The lithium battery is completely “starved” and the power loss is severe. Generally speaking, the power loss of lithium battery is maincaused by excessive discharge. For example, if an electric vehicle goes for a long time without regular charging, the lithium battery will “starve”.

At this point, you can use a high voltage charger to charge the electric vehicle to activate the battery. For example, if you want to activate a 48 volt lithium battery, you can find a 60 or 72 volt battery charger to charge it, then charge it for 20 minutes and then replace it with the original charger.

2. The lithium battery still has some energy and the headlights can be turned on. At this time, another method can be used to activate it. The method is relatively simple, that is, turn on the headlights of the electric vehicle, then connect it to the original charger to charge it. If the charger light changes from green to red, it means the lithium battery has been charged. charge for a few hours. Finally, the lithium batteryium is ready to use.

3. You can connect the exhausted lithium batteries in parallel, find a battery of the same model as the original battery, and connect the two with a wire for charging. If there is a device to detect voltage, you can use it to test and see if it has any effect. If you cannot activate the lithium battery after trying several methods, you can only solve the problem of not being able to charge by replacing the battery.

Notes on using lithium batteries:

1 When riding in rain or snow, it There is a gap between the battery and the electric bike. The discharge plug part should not come into contact with water. When not in use, turn off the battery power switch to avoid the consequences of a short circuit. And try to avoid using electric vehicles in dharsh environments. Pay attention to the tightness of the battery pack.

2. The battery should be placed away from water and fire sources, kept dry, and avoid strong shaking, shock and short circuit. In summer, batteries should be stored away from direct sunlight.

Special reminder: Do not unpack, modify or damage the battery without authorization; it is strictly prohibited to use this battery on other brands or models of electric vehicles; prevent foreign objects from short-circuiting the load and; discharge ports when in use.

Summary: If an electric vehicle is not used or charged for a long time, the battery plates will undergo irreversible sulfation and will not be able to react during charging. This is the reason why the lithium battery is electric. the vehicles are hungry. What should I do if my car's lithium batteryelectric iture is flat? Can an electric vehicle's lithium battery be activated if it starves? Here is the relevant knowledge about starving electric vehicle lithium batteries. 1. Lithium Battery for Electric VehiclesWhat does it mean when the battery is flat?

During the storage process of an electric vehicle, the battery will have a self-discharge function if the electric vehicle has not been used or charged for a long time. , and the air switch under the seat of the electric vehicle will also do it. Regardless, the self-discharge is about 0.3% to 0.5% every day. If the electric vehicle is not charged for a long time, it will continue to chronically discharge. When the electric vehicle completely discharges the battery, the battery will easily lose power and “starve to death”. In the event of battery “starvation”, under circumstancesnormal conditions, the electric vehicle charger cannot charge and the display status is green or flashing continuously. This situation is considered battery starvation.

2. Can the lithium battery of an electric vehicle be activated if it is starving

If it is not serious, it can be activated, but if the battery is stored for more than 3 months , activation is usually more difficult, if it is more than 3 months old, it is recommended to buy a new battery to solve the problem.

3. How to activate an electric vehicle's lithium battery if it's starving

Here are six best methods that can save most of these "starving" batteries. Note that most are not 100%.

1. Turn on the headlights to charge

Turn on the ignition key first, then turn on the headlights and let the headlights stay on for 4-5 hours. This will also activate the battery. AfterActivation, turn off the headlights, then the screen shows normal charging. You can continue charging until the battery is full. If the charger still flashes after the headlights are turned off, continue. turn on the headlights and continue charging. How long should we charge? Just turn off the headlights and it will show normal on the charger.

2. Series Connection Method

Connect another 12 volt battery with normal voltage in series to all the batteries. For example, if the original car has a 48V-20AH battery, then we will connect another 12V-20AH battery in series. A 12V battery with sufficient power has a voltage of about 13V. After being connected in series, the voltage of the entire battery can be increased, and then the original charger is used to charge it. . After plugging in the charger, the charger is lit red, you can charge the battery at this time. When the charger turns green, remove the other battery connected in series, then charge normally.

3. Parallel connection method

This method is a little more inconvenient. For example, the vehicle originally had a 48V-20Ah battery, and we connected another set of 48V-20Ah batteries in parallel. Everyone knows that the voltage everywhere in a parallel circuit is equal and the higher voltage end will flow to the lower voltage end. This method is also used by many battery dealers to detect completely dead batteries. Then charging can also achieve the charging target. This principle is similar to connecting a battery in series, which also increases the voltage of the entire bank.

4. Low voltage charging method

Choose a smaller charger for charging. For example, if it is a drum sets 60V-20AH, then we use 48V-20AH charger to charge. In most cases this can be charged. WaitAfter charging the battery for at least two hours, the operating voltage will increase significantly. Then upgrade to a 60V-20Ah charger to charge the battery.

5. Single Battery Charging Method

Charging a single battery with a 12-volt electric vehicle charger can activate the battery, but this charging is relatively slow and usually requires additional charging. more than 7 hours, the battery voltage will slowly increase to around 12 V. It takes a long time to charge all the individual blocks.

6. Special charger method

Some chargers automatically identify the battery voltage, no matter how many volts a set of batteries have, it can automatically identify the voltage and charge it. . For example, the original care had a 60V-20Ah battery, but now it only has less than 30V and it can still be charged indoors. As the voltage increases, it fully adapts to the higher voltage level and then charges the battery.

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