With electric vehicles (EVs) gaining popularity in Nigeria, it becomes imperative for present and potential EV owners to know the various methods by which such vehicles can be charged. Methods of charging vary by their output capacity, speed, method of installation, and availability.
The electric vehicle charging infrastructure in Nigeria is currently being developed. Hence, it is very important for drivers to understand the differences between various EV charging levels in order to make informed decisions on how to charge both at home and during long drives. While some charging methods are suitable for overnight use, others are designed to provide a faster top-up when time is limited.
This guide is aimed at helping you understand the various types of EV charging levels, how they function, where they can be charged, and which method will best suit your needs.
EV Charging Levels Explained :
EV charging is usually categorized into three broad categories:
- Level 1- Slow charging and mainly used as a wall socket.
- Level 2 - Fast AC charging, convenient for residential areas, workplaces, and parking locations.
- DC Fast charging - The Speediest one, basically best for road trips.
The key difference among these three types of chargers lies in the amount of power they can offer to the electric vehicle. The appropriate choice would depend on the charging capacity of the vehicle, daily distance covered, and the time for which the car can stay connected to the charger.
Level 1 Charging
Level 1 is the most basic way of charging EVs and involves using a standard domestic plug. For EV owners in Nigeria, home charging is especially convenient if the car is kept stationary for a number of hours or during the night time.
Level 1 charging will offer a lower level of power than that offered by the dedicated charging stations, depending on the electricity supply. This is best suited to drivers who do not cover long distances within the day.
Drivers who drive longer distances each day may discover that the low charging capacity will not provide sufficient charge after each journey.
It can serve as an emergency charging method if there is no charging infrastructure for EVs readily available. However, it is important to note that the electric outlet, cables, and wires must be suitable for EV charging and cannot be any standard socket.
Level 2 Charging
Level 2 charging is the most favourable option for EV drivers. It can be installed both in personal places and public areas. Level 2 is usually powered by 240 volts of AC energy and offers much faster charging compared to Level 1. Level 2 chargers are usually used in residential areas and shopping centers, parking spaces, and offices; therefore, they can be considered the most accessible way to recharge EVs.
The Level 2 EV charger is capable of delivering electric power ranging from 3.3 kW up to 22 kW. The distance covered by an EV per one hour of charging varies from 12 to 60 miles depending on the charger and vehicle being recharged. A full charge may last about 4 to 8 hours.
Level 2 requires a specific charging station connected to a 240V AC power supply, and it also requires properly upgraded wiring. Due to this, its installation can become slightly expensive.
For Nigerian EV drivers, level 2 chargers will be a feasible choice for home charging since they will enable one to charge their EVs when parked overnight or while at work. Level 2 chargers might also prove to be effective for companies, offices, hotels, and other places looking to provide EV chargers.
Level 3 Charging
Level 3 is also known as DC fast charging, and it is known for its fast charging. It is mostly found at authorized public charging stations, especially those designed for fast charging. Unlike Level 1 and Level 2, where the charger converts AC power into DC before sending it to the vehicle’s battery, Level 3 (DC fast charging) supplies DC power directly to the battery. This allows the EV to charge much faster and makes it ideal for quick top-ups during long journeys.
DC fast chargers typically provide 50 to 350 kW of power, depending on the charging station and the EV. It can even charge a low-battery vehicle to up to 80% in just 20-40 minutes. Its charging speed totally depends on the type of EV and battery health. Even if a charging station can deliver high power, your car may not be able to accept all of it. So, it's better to choose a charger that matches your vehicle's charging capability rather than simply choosing the charger with the highest power rating.
For many EV owners, a Level 2 charger at home combined with DC Fast Charging for longer journeys can provide a convenient balance. Once you have the right charging setup, charging your EV can easily become part of your normal daily routine rather than something you have to constantly plan around.
Must Read: AC vs DC EV Charging: What is the Difference?
Comparing Different EV Charging Levels
| Feature | Level 1 | Level 2 | Level 3 |
|---|---|---|---|
| Voltage | 120 AC | 240 AC | High-voltage DC supply |
| Power supply | 2.3-3.7 kW | 3.7-19.5 kW | 50-350 kW |
| Speed | 3-5 miles/hour | 30-40 miles/hour | 80% in 20-40 min |
| Cost of installation | Very low | Moderate | Commercial use only |
| Where to use | At home | Home, workplace, parking areas | Highways, hubs |
Conclusion
Knowing about EV charging levels could help Nigerian EV owners choose a suitable charging level according to their car, driving habits, and available infrastructure. Level 1 charging would be helpful in case of low miles per day, while the second one would suit much better for regular charging.
DC fast charging, on the other hand, is very helpful for longer distances, especially in cases where saving on charging time is a concern. With the help of vehicle charging capability, distance traveled, and charging sites available, EV drivers can come up with an effective charging strategy.
If you are in search of high-quality EV charging equipment in Nigeria, check out AC and DC charging options available at Blaupunkt EV.