Electric vehicles offer a practical, efficient driving experience that is increasingly relevant to modern mobility needs.
Many users still assume that all charging processes are the same, even though each method has different characteristics.
These differences not only affect battery charging speed but also the convenience of using the vehicle in daily activities and during long-distance trips.
Let's explore the differences between AC and DC fast charging as the two main charging methods so that you can choose the method that best suits your daily needs.
AC charging is an electric car charging method that uses alternating current (AC) from electrical sources such as homes, offices, or public facilities.
Meanwhile, DC charging is a charging method that uses direct current (DC) to charge electric vehicle batteries.
AC charging is the most commonly used charging method by electric vehicle owners. This system is available in homes, offices, apartments, and various public locations.
In the AC charging system, the process of converting electricity from AC to DC is carried out by the onboard charger located inside the vehicle.
AC charging has several advantages that make it the primary choice for daily use.
Despite being practical, AC charging has several limitations that need to be considered.
DC charging is designed for charging that is much faster compared to the AC method. This technology is widely used at SPKLU and strategic locations with high vehicle mobility.
In the DC charging system, the electrical conversion process is done directly at the charging station so that the electrical current can enter the battery without needing to be processed again by the vehicle.
DC charging is designed to provide a faster and more efficient charging process.
Despite being fast, DC charging also has several usage challenges, such as:
Let's compare AC vs DC charging so you can determine the most suitable charging solution for your electric vehicle needs.
AC charging generally takes longer because the current conversion process is carried out by the onboard charger inside the vehicle. Conversely, DC charging can charge the battery much faster because energy is directly delivered to the battery in the form of direct current.
Read also: How Long Does It Take to Charge an Electric Car? Tips to Save Charging Time
AC charging is more frequently used at homes, offices, or parking areas that allow vehicles to be connected for a long time. Meanwhile, DC charging is widely available at SPKLU, toll road rest areas, and strategic locations catering to fast charging needs.
AC charger installation is relatively simpler, making installation and equipment costs more affordable. On the other hand, DC charging requires a larger investment because it uses high-capacity power conversion technology.
In AC charging, some energy is used for the conversion process from AC to DC inside the vehicle. In DC charging, the conversion process is done in the charger, allowing energy flow to the battery to be more efficient and faster.
AC charging is highly convenient for daily use because it can be done when the vehicle is not used for an extended period. Conversely, DC charging provides greater convenience during long trips as it can significantly reduce charging wait times.
| Aspect | AC Charging | DC Charging |
|---|---|---|
| Charging Speed | Slower | Much faster |
| Energy Efficiency | Conversion process occurs in the vehicle | Conversion occurs in the charger |
| Installation Costs | More economical | More expensive |
| Accessibility | Widely available at homes and offices | Generally available at SPKLU |
| Infrastructure | Easier to install | Requires specialized infrastructure |
| Safety | Suitable for routine use | Requires good temperature management |
| Usage Suitability | Daily charging | Long trips and quick needs |
Neither method is entirely better because AC and DC charging are designed for different needs.
AC and DC charging have different challenges. Understanding the limitations of each method helps you determine the most appropriate choice.
AC charging is practical for daily use, but it still has several limitations.
DC charging offers high speed, but there are a few things that need to be considered.
Choose the charging method that suits your daily vehicle needs. Neither method is entirely better because each has a different function.
AC charging is highly suitable for routine charging at home or the office when the vehicle is not in use. The longer charging time is not an issue because the battery can charge gradually overnight or during work hours.
DC charging is the ideal choice when you need additional power in a short time. This method is also very helpful for long-distance trips that require fast charging.
Each charging method has its ideal usage conditions. Choosing the right method will optimize the convenience and efficiency of charging your electric vehicle.
Use AC charging as the primary method for daily charging at home or the office. This method is more economical and supports the daily usage patterns of electric vehicles.
Use DC fast charging during intercity trips or when you need a quick charge. The high charging speed reduces waiting time during the trip.
DC charging is a practical solution when battery capacity is low, and you need to immediately resume your journey. Fast charging provides significant additional mileage in a short time.
Read also: Complete Guide to Charging Electric Cars for Beginners
DC Fast Charging costs at SPKLU generally range from Rp2,466 to Rp2,600 per kWh. In addition to electricity tariffs, users may incur additional service fees of up to Rp25,000 for Fast Charging (25–50 kW) and up to Rp57,000 for Ultra Fast Charging (above 50 kW).
Yes, DC fast charging can slightly accelerate battery degradation because it generates higher heat. However, the impact is relatively small because modern electric cars are already equipped with temperature management systems to protect the battery during charging.
DC charging is preferred because it can charge the battery much faster compared to AC charging. DC current flows directly into the battery without needing to be converted first by the vehicle.
Read also: List of Electric Vehicle Charging Locations in Indonesia
AC charging is slower because electricity must first be converted into DC current inside the vehicle. This process makes the charging time longer compared to DC charging which directly charges the battery.
That is the comparison of AC vs DC charging so you can determine the charging method that best suits your needs.
AC charging is the ideal choice for daily use at home or the office because it is more economical and easily accessible. DC charging offers high speed which is highly beneficial during long trips or urgent conditions.
If you're looking for an electric car that supports both charging methods, the Chery E5 could be an attractive option.
This electric car supports AC charging up to 11 kW as well as DC fast charging, which allows the battery to charge from 30% to 80% in just about 28 minutes.
With a 61.1 kWh battery and a range of up to 430 km (WLTP), the Chery E5 is designed to meet both your daily mobility needs and longer trips.
Visit your nearest Chery dealer to learn more about the various features and charging technologies offered by the Chery E5 to support a more comfortable and practical electric driving experience!
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