EV limitations

EEV has lots of advantages, but there are the top 5 disadvantages that hinder EV growth

  • Higher cost

Since EVs are expensive, they are out of the buying capacity of many people in countries like India.

The main reason for being expensive is that battery and motor costs are very high in EVs. This problem would be solved with the advancement in battery manufacturing.

  • Limited range

It is one of the main disadvantages of EVs. EVs generally come with a range of about 300-500 km per charge, which is intensified by the fact that it also takes hours to get fully charged again. It will also be solved in the future with more research and development.

  • Charging infrastructure

Charging infrastructures are also not available in India, unlike in other developed countries. This thing requires a high investment, which needs to be solved.

  • Battery life

Battery replacement is approximately 50% of the complete EV cost. So degradation in the reseller value at a very high rate is also a big problem.

  • Bad impact on the environment

The mining of lithium, cobalt, nickel, etc., destroys the natural habitat of many wild species. This mining also affects small kids who are forced to work in these mines as child laborers.

Top 8 best-selling EVs in India in August 2024

Electric vehicles are getting popular in India day by day due to their advantages over IC engine cars.

The government is also giving subsidies to customers who buy EVs to promote green energy.

Here is the list of the top 8 EVs in India in 2024 in descending order

  1. Tata Tiago EV
  2. Tata Nixon EV
  3. MG ZS EV
  4. BMW
  5. Volvo
  6. Mercedes-Benz
  7. Audi
  8. Hyundai Ioniq 5

5 top five sellers of EVs are

  • Tata Motors
  • MG Motors
  • Hyundai electric
  • BYD auto (Build your dreams)
  • BMW India

The cheapest EV in India as of August 2024 is the MG Comet, starting at 6.9 lakhs.

The most expensive EV in India as of August 2025 is the Mercedes-Benz EQS 580, worth rupees 1.95 crores (Ex-showroom)

Electric Vehicles

Electric vehicles are getting very popular nowadays for several reasons

  • Zero carbon emission/ clean fuel category
  • Cost-effective if used in long drives
  • Noise-free/vibration-free
  • Effective in flood-affected areas

An electric vehicle, as its name suggests, runs on electric energy that comes from an electric battery. It does not have an internal combustion engine like conventional vehicles.

Electric vehicles have a few main components

  • Electric motor
  • Battery pack
  • Power electronics controller (controls the speed of the electric motor)
  • DC/ DC converter (To convert high voltage to lower voltage for running equipment in the car)
  • Thermal system for cooling
  • Transmission system
  • Protection circuits
  • Different types of sensors

Electric vehicles started developing in the 19th century, but practical vehicles on roads came only after 2010.

Electric vehicles can broadly be classified into 3 categories

Battery electric vehicles: It has a battery pack and an electric motor. The battery pack runs the motor. It is a simple one.

Hybrid electric vehicles: It has both an engine and a motor with a battery pack. It runs on the engine and motor at the same time. The battery of the HEV is charged by the engine.

Plug-in hybrid vehicles: These vehicles have both an engine and a motor. But its battery could be charged from an external charging source.

Tesla is one of the most popular car brands and has the following car models.

  • Tesla Model 3
  • Tesla Model S
  • Tesla Roadster
  • Tesla Model X
  • Tesla Model Y

The above models start from approx. $ 40000 (33.5 lakhs) for Model 3 to approx. $200000 (1.67 crores) for the roadster.

Electric vehicles have different types of sensors as follows

  • Voltage sensors
  • Temperature sensor
  • Current sensor
  • Position sensor
  • Speed sensor
  • Torque sensor
  • Coolant temperature sensor
  • Ambient temperature sensor, Ultrasonic sensor
  • RADAR/ LiDAR sensor
  • Accelerometers
  • Gyroscopes, etc.

Even after this much advancement in recent years in the EV industry, a few limitations exist that are hindering its growth and the replacement of IC engine cars with EVs.

The limitation of EVs is discussed in detail in another blog with a link below.

Air purifiers

Due to deteriorating air quality and rise of the respiratory problems, air purifiers can be seen in not only hospitals but in homes also.

On 5th November 2021 (when I am writing this article), Delhi is the most polluted city in the world with an AQI (Air Quality Index) of 324 (Hazardous). Beijing is on the second rank with an AQI of 220 (very unhealthy).

Air Quality Index – Particulate Matter

301-500Hazardous
201-300Very unhealthy
151-200Unhealthy
101-150Unhealthy for sensitive groups
51-100Moderate
0-50Good

Air purifiers cleanse the air by removing pollutants, toxins, and other harmful elements from the air.

Air purifiers suck the air in, filter it with mesh and neutralize the pollutant and finally recirculate the air into the space where it is placed.

Specification to be notified to buy a new air purifier

  1. Air purifier should have a proper certification
  2. Noise level should not be more than 45-50 decibels
  3. Electricity consumption
  4. Maintenance costs due to changing of filters of air purifiers
  5. Efficiency of filters which should be around 99%

Note: Don’t buy Ion-based air purifiers which neutralize the positive air pollutants with the negative ions but emit ozone which ultimately causes ozone emission.

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Power Banks

Power banks are the portable devices used for the charging of other devices especially when you don’t
want to use your conventional wall charges. Basically, they have a small battery that needs to be changed from time to time.
But it is not only the battery but other circuits like safety circuits that take care of overcharging of the device as
well as a power bank, overheating protection circuits, charging rate, charging time, etc.

If you want to check the total number of times your power bank can charge, then you can use this formula


The labeled capacity of the power bank x 3.7 / output voltage of power bank) x 0.85 /
the battery capacity of device = Total number of recharges

So if you are using One plus 9 pro mobile and power bank of capacity 10000 mah, which is giving 5v output

(10000 x 3.7 / 5) x 0.85 / 4500 = 1.39 charges

Note: So keep in mind while buying a power
the bank that no. of charges is not as simple as 10000/ 4500 = 2.22 charges (wrong)

Important parameters to keep in mind while buying a power bank is
1) Powerbank capacity – It should be at least enough to charge your phone 2 times
2) Charging time – It should support fast charging of at least more than 10W power
3) Size – It should not be too heavy and the battery must be of lithium-polymer and not lithium-ion (bulky)
4) Output Current – More current means faster charging

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