Powering Up a Tesla in Winter: The Preconditioning Advantage

Recent Posts
California Drivers Express Concern with Lack of EV Charging Stations
ASEAN Sustainable Energy Week 2024
Russia's Increased Investment in Electric Vehicle Charging Infrastructure
The Rise of EV Charging Stations in Nigeria
The Need for Increased EV Charging Infrastructure
Chinese Enterprises Shine at the Smarter E Europe Exhibition

If you’re juicing up your Tesla in chilly weather, here’s a game-changer: battery preconditioning. It’s the secret sauce for smooth DC fast charging in the cold, especially in the frosty northern hemisphere.

What’s the deal with preconditioning? Well, it’s like giving your battery a warm-up before the charging marathon. This isn’t just a luxury; it’s a necessity. Why? Because hitting the optimum charging temperature not only extends your battery’s life but also supercharges your range. And let’s face it, range takes a beating when it’s freezing.

But wait, there’s more. Preconditioning isn’t just a one-trick pony; it’s also your battery’s bodyguard during a charging sesh. Picture this: your battery pack getting cozy at a temperature above freezing, ready to gulp down a full amperage charge.

Bonus: While your battery is getting its heat on, your cabin gets a toasty treat. So, it’s a win-win. The only minor glitch? You foot the electricity bill for the warm-up, even though none of it cuddles up with your battery.

Still skeptical? Well, a Tesla owner from Sweden went on a mission to prove the preconditioning point. The It’s Only Electric YouTube channel dropped a video showcasing the real deal. Imagine a V3 Supercharger, a 10% charged battery, and a bone-chilling 30°F (-1°C).

With a preconditioned battery, the charge started at a whopping 238 kW, and bingo, 10% to 80% State of Charge in just 33 minutes. The Swedish Model Y owner spilled the beans that in normal weather, this sprint would take around 27 minutes. So, in the grand scheme of a chilly charge, an extra six minutes doesn’t sound too shabby.

Let’s dive into the second charging session without battery preconditioning. The owner returned to the same charger two days later, but this time the car had endured freezing weather. The outside temperature was 21°F (-6°C), a tad colder than before, though the owner claimed it wasn’t a major temperature drop.

Upon plugging in, it was clear that the charge rate was creeping up more slowly than with the warmed-up battery. The Tesla wrapped up the 10-80% charging stint in 42 minutes, nearly 10 minutes longer than the preconditioned battery trial.

Crucially, the battery accepted a charge at a max rate of 135 kW, a significant drop from the 238 kW rate in the previous test.

It’s important to note that the owner didn’t bring the car to the Supercharger ice-cold this time—he pre-warmed the cabin to keep the test as close to a real-life scenario as possible.

Bottom line: in winter, always warm up your battery before charging for a speedy and efficient session that keeps your battery happy. And when on the EV hunt, ensure it boasts battery preconditioning because not all models are on the same page with this feature.

Checking out the charging curves is eye-opening. The cold battery shows a nearly flat curve, while the preconditioned one takes a dip. Surprisingly, both follow a similar path from 50% to 80% SoC. The real game-changer is in the first half—here, the preconditioned battery slurps up charge way faster than the cold one.

Leave a Reply

Your email address will not be published. Required fields are marked *