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1 February 2025
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How Often Should I Charge My Electric Car?

Electric vehicles (EVs) have become a symbol of modern transportation, offering environmentally friendly alternatives to traditional petrol and diesel cars.

However, as a relatively new technology for many drivers, questions often arise about how to maintain them effectively.

One of the most frequently asked questions is: how often should I charge my electric car?

In this article, we’ll take a deep dive into EV charging habits, discuss the factors affecting charging frequency, and provide actionable advice to help you keep your EV running efficiently while preserving battery health.

How Often Should I Charge My EV?

How Often Charge My EV

The frequency of charging your EV largely depends on your daily driving habits and the range of your vehicle.

For most drivers, topping up the battery after daily use, similar to charging a smartphone, is an ideal strategy.

However, others might prefer to charge less frequently, waiting until the battery level is low.

Factors Influencing Charging Frequency

  • Daily Commute: If you cover a short distance daily, you may not need to charge every night. For instance, an EV with a range of 200 miles can cover several days’ worth of driving for a 20 mile round trip.
  • Battery Size and Range: EVs with larger batteries and longer ranges require less frequent charging compared to smaller models.
  • Charging Accessibility: If you have a home charger, it's convenient to charge frequently, whereas reliance on public charging may make you plan less frequent sessions.
  • Weather Conditions: Cold weather can deplete battery levels faster, potentially requiring more frequent charging in winter.

Daily Top-Up Charging vs. Low Battery Charging

Daily top-up charging involves plugging in your EV regularly to maintain a healthy charge level, while low battery charging refers to waiting until the battery is significantly depleted before recharging.

Advantages of Daily Top-Up Charging

  • Convenience: Charging overnight ensures your car is ready each morning.
  • Battery Longevity: Maintaining a charge level between 20% and 80% helps preserve battery health over time.
  • Reduced Range Anxiety: You’re less likely to run out of charge unexpectedly and not have to suffer from range anxiety.

When to Consider Low Battery Charging

  • Practicality: If you’re unable to charge at home or work, low battery charging may be more practical, especially if you rely on public fast chargers or a neighbour's community charger using charger sharing schemes like Joosup.
  • Calibration: Occasionally letting your battery drain below 20% before charging can help calibrate the battery management system.

Does Charging Too Often Harm the Battery?

Electric Car Battery 3D Render

Frequent charging does not harm EV batteries when done correctly.

However, certain practices, like charging to 100% regularly or exposing the battery to extreme temperatures, can reduce its lifespan.

Tips for Safe Charging

Aim to keep your battery level between 20% and 80% for daily use.

Use slower charging options, like dedicated 7.4kw home chargers or even granny chargers, for routine top-ups to minimise heat build-up.
Limit the use of rapid charging to occasional, long-distance trips.

Is It Safe to Charge My EV Every Night?

Charging your EV every night is generally safe, but it’s not always necessary.

Charging nightly is ideal if:

  • Your daily driving consumes a significant portion of the battery.
  • You prefer the convenience of starting each day with a full charge.

For lower daily mileage, charging every two to three days or only when needed may be a better approach, reducing unnecessary charging cycles and helping prolong battery life.

What Types of Batteries Do EVs Have?

The vast majority of EVs use lithium-ion batteries, known for their high energy density and efficiency.

These batteries are robust but sensitive to overcharging, high temperatures, and deep discharges.

Understanding the battery type in your EV helps you adopt better charging practices tailored to its needs.

Should I Charge My EV to 100% Every Time?

Electric Car Charged to 90%

Charging to 100% is only necessary when you plan for a long trip where maximum range is required.

For daily driving, it’s better to charge up to 80% to maintain battery health.

Prolonged exposure to 100% charge levels can increase wear on the battery’s chemistry.

When’s the Best Time to Charge My EV?

Charging at optimal times can not only extend battery life but also save you money and reduce strain on the power grid.

Battery Health

  • Charge during cooler parts of the day or night to prevent overheating.
  • Avoid letting the battery drop below 10% or sit fully charged for extended periods.

Lower Tariffs

  • Many energy providers offer discounted rates during off-peak hours, usually at night. Charging during these times can significantly lower your electricity bill.

Charger Availability

  • Public charging stations are often less crowded late at night or early in the morning, ensuring a hassle-free experience.

Frequently Asked Questions

Electric Car Charging in Rain

How long does it take to charge an electric car?

Charging times vary based on the charger type:

  • Level 1 (domestic socket): 12–24 hours.
  • Level 2 (home or public): 4–8 hours.
  • Level 3 (rapid): 20–60 minutes for an 80% charge.

How long do electric car batteries last?

Most EV batteries last between 10 to 20 years, depending on usage, maintenance, and environmental factors. Many manufacturers offer warranties covering 8 years or 100,000 miles.

Is it safe to charge my electric car in the rain?

Yes. Modern EVs and chargers are designed to withstand weather conditions, including rain. Always use certified chargers and avoid using damaged equipment.

Conclusion

How often you should charge your electric car depends on your driving habits, battery size, and access to chargers.

Daily top-up charging is convenient and safe for most drivers, but it’s not always necessary for those with shorter commutes.

By following best practices, like avoiding frequent 100% charges and taking advantage of off-peak rates, you can maximise your EV’s efficiency and battery lifespan.

Switching to an electric vehicle is a learning curve, but adopting mindful charging habits will ensure you enjoy the full benefits of this eco-friendly technology for years to come.

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