How To Prepare Electric Vehicles for Winter Months

Do your drivers know what to expect when charging and driving your fleet EVs in the winter? Cold temperatures and snow have effects on EVs that should be planned for. Here are some key guidelines from our director of fleet electrification, Chris Knosp.

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1667928545 Winter Ev

Skills covered in the class

Fleet Electrification

Understanding the fundamentals of EV planning and operations, and their impact on sustainability.

Driver Retention

Keeping your drivers safe, productive and happy.

Operational Efficiency

Ensuring your fleet is performing at its highest level at the lowest possible cost.

Financial Management

Monitoring and understanding the TCO of each of your vehicles and your fleet's overall ROI.

Our director of fleet electrification, Chris Knosp, shares his expert insight in this article originally published in Charged Fleet.

Leaves are falling, temperatures are dropping, and many drivers are starting to think about how to best prepare their vehicles for impending winter weather. The seasoned electric vehicle (EV) owner will know what to expect when charging and driving their EV in the winter — but if you’ve recently electrified your fleet, what do your drivers need to know? Once you’ve stocked your fleet’s trunks with scrapers and ice melt, here are some key tips for how to keep your EVs running smoothly once the mercury drops.

Expect reduced mileage and slower charge times.

Winter weather can change how we drive, but it also affects the vehicle itself. In EVs, you’ll most likely see this in the lithium-ion battery that powers your car or truck. Frigid temperatures affect the chemical and physical reactions that make batteries work, resulting in longer charging times. In fact, one study showed that at 32 F degrees, an EV battery took in 36% less energy than when the battery was charged for the same amount of time at 77 F degrees. Cold weather will also reduce an EV’s driving range, since the vehicle will have to expend energy on regulating battery and cabin temperatures.

If your drivers are making long trips, they will need to be aware of their battery range and, if necessary, where they can find public charging stations on their route. They will also want to plan around longer charge times, whether they’re juicing up at home, at your fleet depot, or elsewhere.

Use your preconditioning features.

Most EVs today boast preconditioning features that can optimize battery life in extreme temperatures and keep drivers comfortable. Preconditioning can be done for the cabin and the battery.

Cabin preconditioning allows drivers to pre-heat or pre-cool the vehicle’s interior to an optimum temperature before hitting the road. Instead of getting in the car and waiting for the cabin to heat up and the windows to defrost, drivers can start the preconditioning process ahead of time. If this process is started while the car is still plugged in, the driver can start their route on a full battery. And since the cabin will already be at a comfortable temperature, they’ll consume less energy on the journey, too.

Many EVs also have a battery preconditioning feature that can regulate the battery’s temperature for optimum charging at the end of a trip. Proper battery preconditioning can extend the range of your EVs in colder months, as well as preserve their batteries for the long term, but not all vehicles will do it automatically. Some EVs will require drivers to start the preconditioning process through an app or other manual system, so it’s important to double-check how preconditioning works on your fleet’s EVs.

Optimize your wearable parts.

One of the beauties of EVs is that they have about 30% fewer parts than ICE vehicles — generally making for less winter prep work. But while there are fewer moving parts and systems that need regular maintenance, drivers should still remember to check and replace the standard “wearable” pieces of their EVs before a cold snap arrives.

Tires can make a huge difference in driving through winter weather, so make sure your fleet’s tires are properly inflated (which ensures less rolling resistance and can extend your range) and have enough tread. Depending on your location, you might even consider swapping all-purpose tires for an appropriate winter version. It’s also a good idea to check that all headlight bulbs and windshield wipers are working properly, which can be invaluable when your drivers are venturing through snow and sleet.

Driving through winter weather is hardly a great time, but with a thorough understanding of EV performance and a bit of preparation, you can ensure your electrified fleet is well-equipped to handle frigid temperatures and snowy streets safely and efficiently.

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