1、 Capacity

　　The capacity of automotive lithium batteries refers to the amount of electricity that can be stored under specific conditions, usually measured in ampere hours (Ah). Capacity is one of the important indicators of battery performance, which directly affects the vehicle's range and power performance. When choosing lithium batteries for automobiles, it is advisable to choose batteries with moderate capacity and stable performance. Generally speaking, the larger the battery capacity, the better the vehicle's range and power performance.

　　2、 Internal resistance

　　Internal resistance refers to the size of the internal resistance of a battery and is one of the important indicators for measuring battery performance. The smaller the internal resistance, the higher the output power and efficiency of the battery, and the better the power performance and range of the vehicle. Generally speaking, lithium-ion batteries have lower internal resistance and therefore have higher output power and efficiency.

　　3、 Energy density

　　Energy density refers to the amount of energy that can be stored per unit volume or mass, typically measured in watt hours per kilogram (Wh/kg) or megawatt hours per kilogram (MWh/kg). Energy density is one of the important indicators for measuring battery performance, which directly affects the vehicle's range and battery weight. When choosing lithium batteries for automobiles, it is advisable to choose batteries with high energy density, small size, and light weight to achieve lightweight, long endurance, and high efficiency of the vehicle.

　　4、 Charge discharge rate

　　Charge discharge rate refers to the current magnitude of a battery during the charging and discharging process, usually expressed in C. The higher the charging and discharging ratio, the faster the charging and discharging speed of the battery, and the better the acceleration and response performance of the vehicle. However, excessive charging and discharging rates may lead to shortened battery life and safety hazards. Therefore, when selecting lithium batteries for automobiles, the selection should be based on the performance requirements of the vehicle and the specifications of the battery.

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