The DC charging cable has the characteristics of fast charging and can usually fully charge the battery in 30 minutes. It is mainly suitable for long-distance travel or urgent need for charging. To improve the charging speed of the charging cable, you can start from the following aspects.

1. Increase the power of charging piles

The power of DC fast charging directly affects the charging speed. Generally, the higher the power of the charging pile, the faster the charging speed. Therefore, choosing a high-power DC charging pile, such as 120kw or higher, can significantly improve charging efficiency.

2. Optimize battery design

The material and structure of the battery are also key factors that affect the charging speed. Using advanced battery technology, such as lithium-ion batteries, can improve charging efficiency. At the same time, the optimization of the battery management system can also ensure that the battery remains in optimal condition during the charging process, thereby increasing the charging speed.

3. Control charging temperature

Battery temperature has an important impact on the charging speed. In a low temperature environment, the chemical reaction rate inside the battery slows down, resulting in a decrease in the charging speed. Therefore, keeping the battery temperature appropriate during charging with a DC charging cable can increase the charging speed.

4. Optimize charging strategy

A reasonable charging strategy can increase the charging speed. For example, when the remaining battery power is low, a higher charging current is used for fast charging, and when the battery is close to full power, the charging current is reduced to protect the battery.

5. Regular maintenance and inspection

Regular maintenance and inspection of the charging gun and charging pile to ensure they are in good working condition is also an important measure to increase charging speed.

In summary, by increasing the power of the charging pile, optimizing the battery design, controlling the charging temperature, optimizing the charging strategy, and conducting regular maintenance inspections, the charging speed of the DC charging cable can be effectively improved.