How to maintain dry battery

How to maintain dry battery

Nowadays, more and more people use electric bicycles for transportation. How to maintain the battery, which is power of electric bicycles? There are five suggestions from expert:

1. Avoid loss of electricity and loss of electricity status means that the battery is not charged in time, it is prone to sulphation, lead sulphate crystals attached to the plate, blocking the ion channel, resulting in insufficient charging, battery capacity decreased. The longer the idle state is idle, the more serious the battery damage. When the battery is not in use, it should recharged once a month, which will extend the battery life.

2. Periodic inspection In the course of use, if the mileage of the electric bicycle suddenly drops by more than ten kilometers in a short time, it is very likely that at least one battery in the battery group has broken grid, plate softening, and plate activity. Short circuit such as material falling off. At this time, you should go to the professional battery repair organization for inspection, repair or matching.

3. Do not discharge the electric current bicycle. When starting, operating or going uphill, it is best to use the ankle to assist and avoid the instantaneous high current discharge. Large current discharges tend to cause lead sulfate to crystallize, thereby damaging the physical properties of the battery plates.

4. Master the charging time under normal circumstances, the battery charged at night, and the average charging time is about 8 hours. If it is a shallow discharge (the mileage after charging is very short), the battery will soon be full. If it continues to charge, it will overcharge, causing the battery to lose water and heat, reducing battery life. Therefore, when the battery discharged at a depth of 60%-70%, the charge is optimal. In actual use, it can converted into a riding mileage, and necessary charging according to the actual situation to avoid harmful charging.

5. Prevent high temperature exposure of electric vehicles from exposure to sunlight. If the temperature is too high, the internal pressure of the battery will increase and the battery pressure-limiting valve will forced to open automatically. The direct consequence is to increase the water loss of the battery. The excessive water loss of the battery will inevitably lead to a decrease in battery activity, accelerate the softening of the plate, and charge the case. Fatal damage such as body heat, shell drumming, deformation, etc.

You can use the portable charger to charge, connect the charger to the positive and negative terminals of the battery, set the charging parameters (described below), start charging, the normal charging time is 20 hours, if you want to charge quickly, you can charge It takes 6-8 hours for the battery to double.

Car start battery normal charging method:

Charging needs generally 20 hours, such as 12V60Ah charging mode: using constant voltage current limiting mode for charging, constant voltage 14.8V current limit 15A charging for 16 hours, and then charging with 3A constant current for 4 hours, a total of 20 hours.

The battery is fully charged and cane judged according to the following phenomena:

1) A large number of bubbles generated in the battery, and there is a phenomenon of "boiling".

2) The terminal voltage rises to the maximum value and does not rise within two hours.

3) The electrolyte rises to the highest position and does not rise for two hours.

Alternatively, observe the electric eye, the full power state can judged from the green of the electric eye.

If it not used for a long time, it should done:

1, the battery must be fully charged before leaving, and on the premise of full power, it is generally recommended to recharge the battery in 2 to 3 months, if necessary, it is best to charge once every 1 to 2 months.

Two, try to store in a cool and ventilated room, the higher the temperature, the faster the discharge will be. 】

Charging the battery car should not be too long. Overcharging will cause the battery to heat up for a long time and speed up the scrapping of the battery. In theory, after complete discharge, the battery is charged at a nominal rate of 0.1 (standard battery charge), and can be fully charged in about 10 hours. Considering the efficiency of the charger and the depreciation of the battery, the general charging time can be between 10 hours and 12 hours. The limit should not exceed 16 hours. Many people have misunderstandings and think that the charger is smart charging. It does not matter how it is charged. Therefore, the charger not disconnected for a long time, which not only damages the charger but also damages the battery.

How to maintain the battery car

2.The number of rechargeable batteries is limited. A good battery can theoretically reach about 1000 times. A typical electric vehicle battery can washed about 300 times. Therefore, try to recharge the battery when it used up to extend the battery life. In addition, do not over-discharge, the battery often severely under-voltage, and it will lead to accelerated scrapping. The new generation of controllers have under-voltage protection. Old-fashioned controllers may not have under-voltage protection. Therefore, this situation requires special attention to avoid frequent owing. Pressure.

How to maintain the battery car

Even if the electric car does not ride, the battery will discharge, and many electric cars will fully discharged within a week or two. Therefore, in order to protect the battery, it is necessary to charge once every week or two without cycling. The specific charging interval depends on the discharge speed of the battery. After going out for a year and a half, no one is using the car at home, so in the case of idle electric vehicles for a long time, it is best to remove the wiring of the battery pack, at least to remove the negative wiring, which can slow the slow discharge of the battery and protect it. Battery.

How to maintain the battery car

Sometimes the charger needs to replace if it is broken. It is best to re-purchase the charger according to the output parameters of the original charger. Do not listen to other people's suggestions and buy a so-called fast charge charger. Although the standard charging speed is slower, it is beneficial to protect the life of the battery. Frequently charging quickly will accelerate the battery scrap. In addition, some advanced chargers have adjustable charging time, which means that the charging current or charging voltage can adjusted to achieve fast charging, standard charging and slow charging. In addition to emergency vehicles, fast charging not recommended.

How to maintain the battery car

Electric vehicles often use battery packs. When the battery storage capacity greatly reduced, many people often think of such a way to save money. Only replace some batteries with the worst storage capacity (often buy some used refurbished batteries are replaced instead of new ones. When replacing batteries, the specifications and brand of the battery often not considered, as long as the output voltage is the same. This not recommended. The battery specifications are not uniform, which will not only speed up the battery scrapping, but also damage the motor and other components. To change the battery, it is best to replace the battery pack with a uniform size.

How to maintain the battery car

Many batteries used in electric vehicles, although known as dry powder batteries, are not just dry powder batteries, but are sealed and maintenance-free lead-acid batteries. Because of the excessive overheating and the leakage of acid, some batteries are not used for a long time (until the battery is scrapped), and the storage capacity is often poor. This is not the battery scrap, but the battery internal electrolysis. Too little liquid, many people do not understand this reason, thinking that the battery scrapped, and often re-purchase the battery pack. In fact, the battery can repaired by itself, the sealing cover opened, and then the electrolyte injected into the battery. Battery electrolyte replenished is available in shops such as auto parts, auto parts, auto repair and repair.

How to maintain the battery car

After the electric vehicle fully charged and power off, first pull out the power plug of the charger, and finally pull the connection plug of the charger and the electric car. If it reversed, it may burn out the battery or the charger, and it is more likely to burn out the charger. In addition, it is necessary regularly check whether the electric vehicle's line is leaking or the insulation damaged, to prevent electric leakage when charging, and more importantly to prevent charging or short-circuit fire during driving, and the poor insulation of the line will accelerate power consumption.

How to maintain the battery car

The line connector of the electric vehicle and the battery wiring should checked regularly for looseness. The key point is to check the oxidation of the line connector. Once it is loose or severely oxidized, it will not only affect the driving performance, but also cause the line and battery to heat up and reduce the battery life. Seriously, it will also cause a fire.

How to maintain the battery car

Electric vehicles should not parked in a humid environment, especially in corrosive environments such as chemical raw material warehouses. Otherwise, metal parts and tires will accelerate corrosion and rust. In addition, try to avoid long-term sun exposure, which is easy to damage the tires and seat cushions.

How to maintain the battery car

Regularly check the brake performance to prevent traffic accidents caused by brake failure on the road. Regularly check the damage of the tires to prevent accidents during the exercise. Once the door locks and controllers are inflexible or occasionally fail, they must repaired or replaced to prevent armpits when they go out.

How to maintain the battery car

When driving normally, ensure that the tire pressure is normal. If the air pressure is too high, it is easy to cause a puncture, especially in hot summer days. The probability of a fast puncture under high pressure is very high. The air pressure of the tire should not be too low. If the air pressure is too low, the tire will crushed, the friction between the tire and the road surface will increase, and the power consumption will be too large.

How to maintain the battery car

To protect the frame of electric vehicles, electric vehicles should not overloaded during normal riding to protect the frame of electric vehicles. The load-bearing capacity of electric vehicles is far less than motorcycles, but some people used to overload electric vehicles. Once frame metal is fatigued and breaks during diving, it is likely to cause serious accidents.

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