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Views: 0 Author: Site Editor Publish Time: 2025-10-16 Origin: Site
As more and more people adopt electric vehicles (EVs), worries about battery charging speed have intensified. Although DC fast charging is considered the quickest option, there’s more flexibility and cost efficiency with AC fast charging.
So, what is AC fast charging, how is it different from DC charging, and what are its real-life benefits? Here are the main points you should understand.
AC fast charging is when higher-power alternating current (AC) is sent to the electric vehicle EV's onboard charger OBC so it can convert the alternating current (AC) to direct current (DC) for battery storage.
AC fast charging can go up to 43kW depending on the vehicle’s onboard charger capability. Standard charging usually provides 7kW to 22kW and AC fast charging can go all the way up to 43kW.
| Feature | AC Fast Charging | DC Fast Charging |
|---|---|---|
| Current Type | Alternating Current (AC) | Direct Current (DC) |
| Power Conversion | Within the vehicle (OBC) | At the charging station |
| Power Range | 11–43KW | 30–400KW or greater |
| Installation Cost | Less expensive | More expensive |
| Typical Use | Commercial parking lots and offices, communities | Along highways and large public stations |
Simply put, AC fast charging is more affordable and efficient while DC fast charging is above all about maximum vehicle charging speed for vehicles that need to change quickly.
Lower Cost & Easier Installation
Compared to DC chargers, AC fast chargers require a less powerful electrical infrastructure which makes them a good option for installation in offices, shopping malls, and community parking spaces.
Wide Compatibility
AC fast chargers use standard connectors like Type 2 and J1772, ensuring compatibility with most EV models available today.
Simple Maintenance & Long Lifespan
Due to having less complex circuits, AC chargers are less of a hassle to repair and are more likely to last longer.
Perfect for Commercial Operation
For companies providing mid-speed charging services during parking hours, AC fast chargers are the sweet spot for charging efficiency to cost of installation ratio.
When it comes to selecting an AC fast charging station, there are some important factors to consider:
Power Output: Depending on your site’s power capacity and the type of EV's charging needs, the power output must be selected from 11kW, 22kW, or greater.
Connector Type: Ideally consider the weight of the connector and pick locations where the most common plug standard is used (i.e Type 2, J1772).
Communication Protocol: Support for OCPP enables easy and seamless management protocols integration with OCPP management platforms.
Protection Rating: IP54 or greater protection rating for outdoor charging.
At EVTAURUS, we create, manufacture and support the entire range of AC fast chargers for residential and commercial businesses. All of our products are built and designed for OCPP platform integration, remote management, and custom branding or configuration for any business or application.
AC fast charging fills the gap between slow AC charging and ultra-fast DC charging. AC fast charging is affordable, flexible, and a reasonable amount of speed useful in urban and semi-public charging networks.
If you are looking for reliable, custom, and high-quality AC fast charging solutions, as well as full technical and product support to power your business, check out what EVTAURUS has to offer!
