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1、 What are the advantages and disadvantages of lithium battery electric bicycles

1. The advantages of lithium battery electric bicycles include long lifespan, lightweight, and small size. Nowadays, there are various brands of lithium battery electric vehicles, such as Giant, Kaiqi, Jieobi, and Tu'er Lithium Tram The power function of a lithium-ion battery electric bicycle is similar to that of a lead-acid battery (a simple electric bicycle). It can be charged for 6-8 hours and can run 30-45 kilometers depending on the battery capacity. The weight required is only about 1/5 of that of a lead-acid battery. The biggest advantage of a lithium-ion battery electric bicycle is its long lifespan. The global price of lithium batteries is only based on their appearance. In fact, when carefully calculated, the cost is similar to that of lead-acid batteries. Nowadays, lithium batteries are generally guaranteed for 2 years, while lead-acid batteries are guaranteed for 1 year.

Lithium batteries have the characteristic of no activation. When using lithium batteries, it should be noted that after being left for a period of time, the battery enters a sleep state. At this time, the capacity is lower than the normal value, and the usage time is also shortened. But lithium batteries are easy to activate, requiring only 3-5 normal charging and discharging cycles to activate the battery and restore normal capacity. Due to the inherent characteristics of lithium batteries, they have almost no recall effect. Therefore, users do not need special methods or equipment during the activation process of new lithium batteries. Lithium batteries have a memory effect. When customers charge lead-acid and nickel batteries, they constantly worry about the memory effect. When they use lithium batteries, we can all relax and say that lithium batteries do not have a memory effect. If there are still customers who don't know how to charge lithium batteries, then it's okay to take a look at the following content.

2. Defects of lithium battery electric vehicles

The high price of lithium-ion battery electric vehicles is due to lithium-ion batteries. Nowadays, the price of lithium-ion battery electric bicycles is generally several hundred to one thousand yuan higher than that of lead-acid battery electric bicycles, making it difficult to gain recognition from customers on the market. Lithium batteries are lightweight, environmentally friendly, and will not cause environmental pollution when discarded. Once the application technology is mature and market sales increase, the price of lithium battery electric bicycles will decrease. Long charging time for lithium batteries can promote seedling growth. Lithium batteries or chargers will automatically stop charging after the battery is full, and there is no "trickle" charging that nickel chargers refer to as continuing for more than 10 hours. That is to say, if your lithium battery is fully charged and placed on the charger, it will also be charged in vain. And none of us can guarantee that the characteristics of the charging and discharging protection circuit of the battery will never change and the quality will be fully guaranteed, so your battery will be at the edge of risk for a long time. This is also another reason why we oppose long-term charging. In addition, on some electric vehicles, if the charging exceeds a certain period of time and the charger is not removed, the system will not only stop charging, but also initiate a discharge charging cycle. Perhaps the manufacturer of this approach has their own intentions, but it is clearly detrimental to the battery's lifespan. So after purchasing a lithium-ion battery electric vehicle, it is necessary to consult the company or dealer and do a good job in protecting the lithium-ion battery. The power performance of lithium batteries needs to be improved. Compared to lead-acid batteries, lithium batteries have much less ability to withstand shaking in terms of charging and discharging. For high-power vehicles nowadays, the inability to effectively use lithium batteries is also a major problem, leading to a decrease in durability.

The safety issues of lithium-ion batteries are prominent

The safety of lithium batteries still needs to be improved. The danger of lithium-ion batteries catching fire, calming down, and even exploding cannot be completely eliminated now. The collision of the vehicle may cause the positive and negative electrode data of the battery to break through the separator, and the instantaneous ultra-high current when the energy quickly recharges to the battery during braking can cause the battery to short circuit, increase in temperature, and cause the battery to explode. The cause of the fire is collision and short circuit, which causes lithium ions to separate. Contact with air can cause the fire to ignite and subside. In addition, the electrolyte of lithium-ion batteries is organic electrolyte, which makes it easier to ignite and extinguish fires when these substances come into contact with air.

2、 How to choose a lithium battery electric bicycle

1. Look at the brands now, there are many brands of electric bicycles. Customers should choose brands with long operating hours, low repair rates, good quality, and promises. For example, choosing an enterprise that has passed the ISO9001-2000 quality management system certification. Assuming uncertainty, it is possible to purchase some large brand electric bicycles,

2. Currently, various components of electric vehicles are not yet interchangeable, and repairs cannot reach socialization. Therefore, when choosing an electric vehicle, one must pay attention to whether there is a dedicated repair department in the local area. If you want to be cheap and ignore after-sales service, it is easy to fall for it.

3. The selection of electric bicycles can generally be divided into four types: luxury, general, front and rear suspension, and bulky and heavy-duty. The luxury model has complete functions, but the price is high. The general model has a refined structure and is economically applicable; Stupid, heavy, lightweight, and agile, but with a short journey. Ice Lan electric vehicles remind customers to pay attention to this when making purchases.

4. The strength and functional requirements of electric bicycle components should be higher than those of bicycles. When making a purchase, users need to consider the quality of the selected parts for the entire vehicle, such as whether there are defects in the welding and appearance of the frame and front fork, whether the manufacturing of all components is excellent, whether the double supports are sturdy, whether the tires can be branded, and whether the fasteners can prevent rust.

5. A new set of batteries with a capacity of 36V/12Ah for extended driving usually has a range of about 50 kilometers. Generally, the longest interval for daily cycling is about 35 kilometers, which is more suitable (due to the influence of road conditions on the actual continued driving distance). For those who ride at a maximum interval of more than 50 kilometers per day, they should consider whether there is a possibility of charging at intervals twice a day. Assuming there is no such possibility, it is not suitable to choose an electric bicycle.

3、 Price of lithium batteries for electric vehicles

According to different specifications such as 72V, 60V, 36V, 48V, and 12V, the price ranges from a few hundred to a thousand yuan.

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