AC charging is the most common and accessible type of charging. It’s the kind of power that comes from a standard wall socket. When you plug your EV into an AC charger, the car’s onboard charger must convert the AC power from the grid into DC power to store in the battery.
- Speed: Typically ranges from 3.7kW to 22kW. A full charge can take anywhere from 4 to 12 hours, depending on your vehicle’s battery size and the charger’s power output.
- Best For: Overnight charging at home, workplace charging, or long-stay locations like shopping malls and hotels. It’s less stressful on the battery over the long term.
- Availability in Malaysia: Widely available. Most public chargers found in malls and office buildings are AC chargers. Home wallbox chargers also use AC power.
What is DC Fast Charging?
DC fast charging, as the name implies, is all about speed. These chargers bypass the car’s onboard converter and supply DC power directly to the battery. This allows for significantly higher power delivery.
- Speed: Typically ranges from 3.7kW to 22kW. A full charge can take anywhere from 4 to 12 hours, depending on your vehicle’s battery size and the charger’s power output.
- Best For: Overnight charging at home, workplace charging, or long-stay locations like shopping malls and hotels. It’s less stressful on the battery over the long term.
- Availability in Malaysia: Widely available. Most public chargers found in malls and office buildings are AC chargers. Home wallbox chargers also use AC power.
Key Differences Summarized
| Feature | AC Charging | DC Fast Charging |
|---|---|---|
| Location | Home, workplace, shopping malls | Highway rest stops, dedicated charging hubs |
| Charging Time | 4-12 hours (for a full charge) | 20-40 minutes (for 20-80% charge) |
| Cost | Generally cheaper (per kWh) | More expensive (per kWh) |
Conclusion: Which One Should You Use?
For most Malaysian EV owners, a combination of both is ideal. Rely on AC charging at home or work for your daily needs, as it’s cheaper and better for battery health. When embarking on a long-distance “balik kampung” trip or need a quick boost while out and about, the growing network of DC fast chargers is your best friend. Understanding the difference empowers you to plan your journeys and charging habits effectively, making EV ownership in Malaysia a seamless experience.