Uncover key elements that dictate EV charge speeds, from plug power and temperature to battery health, current charge level, and vehicle safety limits.
6 Factors That Affect Electric Charging Time
Objective
Our goal for this blog is to help you know what impacts EV charging time so you can select the right charging setup and plan your vehicle use with fewer surprises.
Key Takeaways
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Battery size matters in terms of the energy your vehicle needs.
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The time to deliver energy depends on the power of the charger.
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When the battery gets near a high state of charge, charging can slow down.
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Temperature can affect charging behaviour.
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Your vehicle has its own charging limit.
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The right charging connector and infrastructure matter for reliable charging.
Introduction
Waiting for an electric van to charge can feel very different from filling a diesel vehicle. One day, you may get a useful top-up during a short break. On another day, the same vehicle may take longer than expected. So, what changes the electric vehicle charging time? The answer is not just the charger. Your battery size, battery level, temperature, vehicle limits and charging infrastructure all matter. If you manage deliveries, airport transfers, construction work or a commercial fleet, knowing these factors can help you plan charging around your working day.
Table of Contents
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Battery capacity
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Charger power
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State of charge
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Temperature
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Vehicle charging capability
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Charging infrastructure and connector
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Practical charging tips
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FAQs
1. Battery Capacity Affects Charging Time
Battery capacity is measured in kilowatt-hours (kWh). It tells you the energy capacity of the battery. A larger battery may need more energy to reach the same percentage as a smaller battery. However, battery size alone does not tell you exactly how long charging will take. The charger and the vehicle's charging limit matter too. For commercial operators, the useful question is not simply, “How big is the battery?”
How much energy will our vehicle need during a normal working day?
That gives you a better basis for planning charging.
2. Charger Power Makes a Major Difference
The power available from a charger is measured in kilowatts (kW). In simple terms, a compatible higher-power charger can supply energy faster. Here’s where fast EV charging is good for business. DC charging would be good for a delivery driver needing a quick top-up between routes, but not for a van parked overnight that doesn’t need the same charging speed.”
AC vs DC Charging
But there is an important detail: plugging into a high-power charger does not mean your van will always receive its maximum output.
3. Your Battery Level Changes Charging Speed
An EV does not always charge at the same rate from start to finish. Charging power can reduce as the battery gets closer to a high state of charge. That is why manufacturers often quote charging times for a specific range, such as 20% to 80%, rather than promising one time for every charging session. For a fleet manager, this matters. If your driver only needs enough energy to complete the next route, waiting for 100% may not always be necessary.
4. Temperature Can Affect Charging
Battery temperature is another important factor, particularly for vehicles operating in the UAE. Very high or low temperatures can affect battery performance and charging behaviour. The vehicle's battery management and thermal systems help manage operating conditions, but actual charging time can still vary. This is one reason you should treat a published charging time as a reference rather than a guarantee. The manufacturer states that its SV charging figures assume ideal conditions with a 140 kW DC charger, while actual charging duration can vary with battery health, outside temperature and available charger power. For UAE operators, it is sensible to consider where vehicles are parked and charged, especially during periods of high ambient temperature.
5. Your Vehicle Has Its Own Charging Limit
Here's the thing: the charger is only one part of the system. Your vehicle also determines how much power it can accept. For example, the Farizon SV Panel Van is stated to charge from 20% to 80% in 36 minutes using rapid DC charging under the specified conditions. The published figure assumes a 140 kW DC fast charger and ideal conditions. The V7E is separately listed as capable of charging from 20% to 80% in as little as 18 minutes, subject to model. These figures show why you should always check the charging specification for the exact vehicle version you are considering.
6. Charging Infrastructure and Connector Choice Matter
Your charging infrastructure includes more than the charging unit itself. It can involve the site's electrical supply, charger output, number of charging points and how many vehicles need power at the same time.
The charging connector also needs to be compatible with the vehicle and charger. For a business fleet, ask:
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When do vehicles return to the depot?
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How many need charging at once?
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How much energy does each route use?
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Do you need overnight charging, DC charging, or both?
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Can your site provide the required electrical capacity?
This enables you to plan around real-world operation, not just the highest-rated charger.
A Simple Example for a UAE Fleet
Imagine you operate several [electric vans for deliveries. One van returns at 6 pm and remains parked until the next morning. Another returns briefly between two routes. The first vehicle may have plenty of time for depot charging. The second may benefit from fast EV charging because its charging window is much shorter.
The right answer is therefore not always the fastest charger. It is the charging setup that matches your vehicles, routes and working hours.
Quick Tip: Check These Four Things Before Charging
Before you plug in, check:
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Your current battery percentage.
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The vehicle's maximum charging rate.
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The charger's available power.
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The expected temperature and charging conditions.
These four checks can help you set more realistic expectations about charging time.
Charge Smarter, Not Just Faster
Understanding fast EV charging starts with looking beyond the charger itself. Battery capacity, charger power, battery level, temperature, vehicle capability and charging infrastructure all play a part. For commercial operators, that knowledge can make daily planning much easier. Instead of asking only how quickly a van can charge, consider when your vehicles are parked, how far they travel and how much energy each route requires. If you are considering an electric commercial vehicle for your business, you can explore the Farizon range and arrange a UAE electric van test drive to see how the vehicle fits your actual working needs.
FAQs
How long does an electric vehicle take to charge?
It depends on the battery, charger power, state of charge, temperature and vehicle. Charging can take much longer on lower-power AC equipment than on compatible DC charging.
Does a bigger battery take longer to charge?
The time to reach the same charge level may be longer, but the overall time is also dependent on charging power and the ability of the vehicle to accept the power.
Is DC charging faster than AC charging?
Yes, DC charging is faster than AC charging. When you need a quick boost, DC charging can provide much more power than AC charging.
Does hot weather affect EV charging?
Temperature can affect battery performance and charging behaviour. Actual results depend on the vehicle, battery condition and surrounding conditions.
Does a powerful charger always charge an EV faster?
No. The vehicle has a maximum charging capability, so it may not take all the power a charger can deliver