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• 86.

  Do lithium batteries need equalizing?

  Yes,  lithium batteries need equalizing.
• 87.

  Does AWD affect EV range?

  Yes, all-wheel drive (AWD) has an impact on the electric vehicle (EV) range, but its impact is affected by a variety of factors. Here are some things to note:

  
  

  ① Extra weight:
  All-wheel drive systems typically involve additional components, such as additional electric motors for the front or rear wheels. This results in increased weight, and generally speaking, heavier vehicles tend to consume more energy. The added weight may result in a slight decrease in efficiency and range.
  
  ② Increased mechanical complexity:
  All-wheel drive systems bring more mechanical complexity to the drivetrain. While modern all-wheel drive systems in electric vehicles are designed for efficiency, any additional mechanical components result in a loss of energy.
  
  ③ Driving conditions:
  All-wheel drive is particularly beneficial in certain driving conditions, such as smooth or uneven surfaces. When the extra traction and stability provided by all-wheel drive is not needed, the system may be less active, potentially minimizing its impact on energy consumption.
  
  ④ Efficiency improvement:
  Advances in electric powertrain technology continue to make all-wheel drive systems more efficient. Manufacturers often employ technologies such as intelligent torque distribution and on-demand all-wheel drive to optimize energy use and mitigate the impact on driving range.
  
  ⑤ Regenerative braking:
  Some all-wheel drive systems use regenerative braking technology. Regenerative braking can help recover energy during deceleration, helping to improve the overall efficiency of the vehicle.
  
  It's worth noting that the impact of all-wheel drive on EV range varies from model to model and depends on how the system is implemented. Many electric vehicles with all-wheel drive still offer a competitive range, and technological advancements continue to address efficiency concerns.
  
• 88.

  Why do electric cars have plastic rims?

  Electric vehicles may feature plastic rims or wheel covers for a variety of reasons, often related to improving the vehicle's overall efficiency, aerodynamics and energy consumption.

  Here are some key considerations:

  ① Aerodynamics:

  Plastic wheel covers are designed with aerodynamics in mind. They help smooth the airflow around the wheels and reduce aerodynamic drag. By minimizing drag, cars can move through the air more efficiently, helping to improve energy efficiency and increase driving range.
  
  ② Reduce weight:
  

  Plastic rims are generally lighter than traditional metal rims. Reducing the weight of the wheels can have a positive impact on the overall weight of the vehicle. Lighter vehicles generally require less energy to move, helping to improve energy efficiency and driving range.

  
  

  ③ Efficiency and scope:
  Electric car manufacturers aim to maximize the efficiency of their vehicles to achieve a longer driving range on a single charge. The use of lightweight materials and aerodynamic design, including plastic wheel covers, supports this goal by reducing energy consumption.
  
  ④ Streamlined aesthetics:
  Plastic wheel covers contribute to the overall aesthetic design of an electric vehicle. The streamlined appearance is consistent with the modern and futuristic design language associated with electric vehicles.
  
  It's worth noting that while plastic rims or wheel covers are common, some electric vehicles offer the option of different wheel designs, including traditional metal rims. Car owners have the flexibility to choose from a variety of wheel styles based on personal preference, taking into account factors such as aesthetics, aerodynamics and energy efficiency.
  
• 89.

  Why do electric cars have Aero wheels?

  Electric vehicles are often equipped with aerodynamic wheels, often called aero wheels or wheel covers. The main reasons for using aero wheels on electric vehicles have to do with improving energy efficiency and maximizing the vehicle's driving range. The main reasons are as follows:
  
  ① Reduce air resistance:
  Aero wheels are designed to reduce the aerodynamic drag, or air resistance, of a vehicle as it moves through the air. Minimizing drag is critical to increasing energy efficiency and thus optimizing the range of electric vehicles.
  
  ② Increase the range:
  By reducing aerodynamic drag, aero wheels help improve the overall efficiency of electric vehicles. With lower drag, the car requires less energy to overcome air resistance, improving energy efficiency and extending range on a single charge.
  
  ③ Streamlined aesthetics:
  Aero wheels often feature sleek and modern designs that help enhance the overall aesthetics of your electric vehicle. The streamlined appearance is in line with the futuristic and environmentally friendly image portrayed by electric vehicles.
  
  ④ Noise reduction:
  In some cases, aerodynamic wheels help reduce wind noise when the vehicle is traveling at high speeds. Design elements that minimize air turbulence around the wheels can have a positive impact on overall noise levels in the cabin.
  It’s worth noting that while aerospace wheels are designed for efficiency, some EV manufacturers offer the option of different wheel designs. Owners can choose different wheel styles based on personal preference and weigh the potential changes in aesthetics and energy efficiency.
  
• 90.

  Do electric cars have mechanical issues?

  While electric vehicles (EVs) typically have fewer moving parts than traditional internal combustion engine vehicles, they are not completely immune to mechanical issues. Here are some things to note:
  ① Motor:
  The electric motors in electric vehicles are known for their reliability, but like any mechanical component, they can experience problems over time. Common problems include worn bearings or electrical failures.
  
  ② Battery problem:
  The battery is a critical component of an electric vehicle, and it can experience degradation over time. This can result in reduced range and overall performance. However, advances in battery technology are solving these problems.
  
  ③ Charging system:
  Electric vehicles rely on charging systems, and problems can arise with charging cables, connectors, or the charging infrastructure itself. Ensuring compatibility with different charging stations is crucial.
  
  ④ Electronic components:
  Electric vehicles have complex electronic systems that control various functions. Faulty sensors, control units or software can cause problems that affect the vehicle's performance.
  
  ⑤ Inverter or power electronic equipment:
  The inverter converts the DC power from the battery into AC power from the electric motor. Failure of the inverter or power electronics can affect the vehicle's drivability.
  
  ⑥ Tires and suspension:
  While this isn't unique to electric vehicles, tires and suspension components can still experience wear and tear. Proper tire maintenance and regular suspension inspections are crucial.
  
  ⑦ Braking system:
  Electric vehicles often use regenerative braking, which reduces wear on traditional braking systems. However, brake components can still develop problems and require routine inspection.
  
  ⑧ Cooling system:
  Electric vehicles use cooling systems to regulate the temperature of batteries and other components. Cooling system issues can affect your vehicle's overall performance.
  
  ⑨ Water intrusion:
  

  Water entering sensitive electronic components can cause malfunctions. Proper sealing and protection against water intrusion are critical.

  
  

  ⑩ HVAC system:
  Problems with the heating, ventilation, and air conditioning (HVAC) system can affect driver comfort. These parts require regular maintenance.