How to check the health of your EV battery

Electric vehicles are slowly becoming part of our daily lives. Everyone knew the day would come when electric vehicles would go from novelty to ubiquitous transportation, but no one thought it would happen so quickly. With the proliferation of electric vehicles come new problems for owners to contend with.

Electric vehicles may not require as much routine maintenance as a gas-powered car, but there are still some issues to think about. One of the most important is battery life and how to extend it. But how do you check the battery life of your electric vehicle?

Why check the battery life of your electric vehicle?

Electric vehicles use lithium-ion batteries, and these batteries degrade over time. This is one of the disadvantages of an electric vehicle compared to a gas-powered car. While a gasoline-powered vehicle can be serviced through routine servicing of relatively cheap replaceable parts, EVs are basically thrown away once the battery dies. It is comparable to the engine of your vehicle suddenly running out. This can be particularly problematic for super-expensive, high-performance EVs.

This will be less of an issue as battery technology advances, particularly with advances in battery recycling technology. But in the meantime, it is very important to check the health of your battery. It is also necessary to practice good habits that will extend the life of your EV battery. Constant use of DC fast chargers may not completely destroy your battery, but it is healthier for the vehicle to charge slowly and stop charging before full charge is reached.

The best way to charge your EV is with a slow overnight charge using the standard 120V L1 charger. This ensures the battery doesn’t reach full charge (which lithium-ion batteries don’t like) and also charges the battery slowly, preventing the battery from heating up.

How to check the battery health of your Tesla

One of the easiest ways to monitor the health of your Tesla’s battery is to check the total available range when your battery is fully charged. Overall range will decrease over time, which is normal for a battery after years of use. But if your range has decreased drastically, there’s probably something wrong with your battery.

Because of this, you need a baseline range number to compare the numbers you’ll continue to watch over time as the battery dies. Otherwise, you’ll be in the dark about the health of your battery. You can also note baseline values ​​of how long it takes to fully charge your Tesla with chargers of different speeds. This is very important as it will let you know if your battery can charge properly in the standard time.

Some apps can monitor the health of your Tesla’s battery.

For example, Tessie allows you to access useful information about your Tesla’s battery, such as: B. Percentage of degradation and battery health. The app also measures your battery numbers compared to other Teslas like yours to give you an idea of ​​how your battery’s health is performing.

Downloads: Tessie for Android | iOS (14-day free trial, then subscription at $4.99 per month)

How to check the health of your Hyundai EV battery

The process of monitoring the battery health of your Hyundai EV is basically the same as a Tesla. The number one thing to watch out for is the overall range you’re getting from your vehicle, and watch for a sharp deterioration in that number over time. It’s also important to monitor how long it takes to charge your electric vehicle to a certain percentage. If this number is erratic under ideal conditions, you should check what’s wrong with the battery.

Also, be careful not to charge your electric vehicle in freezing temperatures unless you have a battery charging system that communicates with the vehicle and adjusts the charging current according to variables such as temperature. Charging your mobility device in freezing temperatures without proper precautions can permanently damage the battery.

Hyundai also offers its MyHyundai with BlueLink app, which can show your vehicle’s remaining range and battery power remaining. You can even manage your EV charging schedule in the app. The BlueLink app is another good tool that you can use to monitor the total range your battery can produce after a full charge.

Downloads: MyHyundai for Android | iOS (free)

How to monitor the battery of your Nissan Leaf EV

The Nissan Leaf actually has one of the best (if not the best) OBD2 battery health monitoring apps out there. The Leaf Spy Pro is a paid app that allows you to monitor advanced battery stats that are normally only accessible to the retailer. This means you have access to the same advanced stats as a retailer scanner at a fraction of the price.

Downloads: Leaf Spy Pro for Android | iOS ($14.99)

With the Leaf Spy Pro app, you can monitor battery range and access advanced statistics like battery temperature sensor output. You can even monitor the remaining kWh (basically the total power capacity your battery can produce) via the Leaf Spy app, which is useful as it lets you keep track of how that number changes in different climate zones over the life of the vehicle . This is particularly convenient as the available kWh is not always the same, even when your battery is fully charged.

In different weather conditions, your battery will have different total kWh when fully charged and your vehicle’s display will not show you this. For example, you only see that you are 100% charged, but you cannot check whether this is 100% of the battery’s full capacity in kWh or 100% of a reduced capacity due to bad weather.

The app also offers advanced statistics such as health status and ampere-hours, as well as battery voltage. As you can see, Leaf Spy Pro is essential if you have a Nissan Leaf and is much more comprehensive than anything available for most other manufacturers.

Monitoring your EV battery will save you money

A healthy battery will not only save you money on maintenance costs, it will also help you when it comes time to sell your electric vehicle. When you sell a regular car, the potential buyer usually inspects the vehicle’s service history.

With electric vehicles, the most important thing to check is the condition of the battery. Hence, keeping it in tip-top shape is of paramount importance. The tips included in this article are a great way to start caring for your electric vehicle battery.

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