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Range In EV: How does it Work?

The complete guide about what you should know about your EV's range. What is the Range? How you can maintain it? What standards should you look for before buying your EV? We have covered it all for you.
Somsubhra ChowdhurySomsubhra Chowdhury29-Nov-22 4:22 PM
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Range In EV: How does it Work?

The most crucial statistic for electric vehicles is range. Your capacity to finish your daily travel, get to the following public charging station, or avoid being stuck on the side of the street depends on it. Those considering converting to an EV still want to be assured that their car can travel the distance they need to go and back.

While a vehicle's advertised range is based on conventional testing on a dynamometer in a testing facility, electric vehicles (EVs), like fuel vehicles, vary considerably in real-world situations according to topography, passenger load, speed, driver behavior, or external temperature. These elements affect the vehicle's effectiveness and, thus, its range.

Range Factors


Speed is an influential factor in getting a valuable range in an EV. EVs perform far better in city driving than internal combustion engine (ICE) vehicles. Regenerative braking helps them keep a charge while moving through, preventing traffic. Nonetheless, no EV has yet achieved its predicted range at cruising speeds. According to the ARAI, the


operated at 93% of its expected range when traveling at 100kmph. It's crucial to consider your EV's capacity to retain range at speed if you frequently record highway driving. Furthermore, if the car is operated at a higher speed, the range will be achieved less than projected. But maintaining a steady speed may also give you a better range than claimed.


Cold weather is the most infamous range-killer for EVs. As EVs first entered the market, the claim that they performed poorly in the cold has been made frequently. Climate has an impact on daily range, mainly as a result of secondary heating and cooling. Extreme temperatures make lithium-ion batteries less responsive, even though this has a much smaller influence on the range than an additional load. Furthermore, battery thermal management technologies have been developed by manufacturers to maintain batteries within an ideal temperature range, further limiting battery performance degradation.


Although it should go without saying, how fully you recharge your battery impacts EV range. Automobile manufacturers use sophisticated battery technologies that restrict the maximum charge to increase battery life overall. In essence, your EV won't always receive a full charge. Since many rapid-charging stations can swiftly charge an EV up to 80% in as little as 30 minutes, this becomes particularly crucial to consider while traveling long distances. According to Kia, the


has a range of up to 528 kilometers on a single charge. The EV6 can also be recharged from 10% to 80% in approximately 18 minutes with the help of a 350 kWh fast charger.


Higher battery capacity complements the more fantastic range. A battery's maximum charge potential decreases with age. As the battery ages, the range decreases with time due to less power storage capability. Potential drivers shouldn't be discouraged, though, since the degradation rate is just 2.3% yearly and could even be lower with routine maintenance. You can dependably anticipate an EV to work for several years because of its rigorous guarantees and warranties provided by the manufacturers for the competitive market.

How to calculate the Range of the EV?

The battery capacity is divided by consumption to determine the range, and the theoretical result is what the manufacturer prints and promotes as the official range.



So, using the 30.2kWh Nexon EV as a reference, its efficiency in ARAI's testing is 96.8Wh per kilometer, giving it the 312km range that Tata advertises.

What is the ARAI-certified range?

A wide variety of vehicles, systems, and components are covered by the extensive accreditation and accurate structural services approval provided by ARAI. It also created a simulation lab to provide comprehensive solutions for the automobile sector. To operate on the road, any EV with either a motor of 250W or greater requires ARAI clearance.

When measuring an electric vehicle's range, ARAI uses a chassis dynamometer that roughly approximates real-world driving circumstances. Despite this, simulation and real-world tests can never be matched. It results in the difference between the natural world range and the certified range.

How to maintain the range of an EV?


Preconditioning your car while still charging is a great idea when traveling in severely hot or cold weather. Switch on the heat or the air conditioning while the car has still been plugged in, and let it warm up until it reaches the required temperature. Many EVs even include a system that allows the driver to choose the ideal indoor temperature. By doing this, your car can adequately sustain the cabin's temperature rather than changing it while running on battery alone.

Regular Maintenance

The range of your EV will increase if it is running correctly. An EV requires slightly different maintenance than an ICE-style car does. You should frequently inspect parts for wear, rotate your tires, and check fluid levels every 10,000 km. Like any vehicle, performance will improve by ensuring the drivetrain and tires are in good working order. Additionally, repairing dead cells to retain total capacity as your battery gets old can assist keep your range near its initial value.

Charging the battery to 80% is advisable because most trips will likely be brief trips accompanied by a recharge when you return. Doing this allows you to skip the final 20% of charging, which is slower and causes the cells to heat up more, perhaps causing cell degradation.

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