DC Fast Charging
2. The Truth Revealed
Alright, let's get straight to the point. DC fast charging is generally considered Level 3 charging. Boom! There you have it. The suspense is over. But wait, there's more! (Just kidding... sort of.) While that's the common classification, it's essential to understand why it's Level 3 and not Level 2. It all comes down to the type of current used and the speed at which it delivers power.
Level 2 charging uses alternating current (AC), which is what you typically find in your home outlets. DC fast charging, on the other hand, uses direct current (DC), which can deliver significantly more power directly to your EV's battery. This bypasses the onboard charger, which is the component that converts AC to DC in Level 1 and Level 2 charging. Think of it as a shortcut to the battery. This allows for much faster charging times, typically adding 60 to 80 miles of range in just 20 minutes or so (depending on the vehicle and charging station, of course).
So, while some very early DC chargers may have technically fallen within the power range that could be considered borderline Level 2, the industry generally accepts and defines DC fast charging as Level 3. The key takeaway here is the use of direct current and the significantly higher power output compared to Level 2.
But hey, language evolves! And sometimes, people might loosely use "Level 2" to refer to faster AC charging options. However, to be technically correct, when we're talking about genuinely rapid charging that adds a substantial amount of range in a short period, we're firmly in Level 3 territory. Think of it this way: Level 2 is like a leisurely top-up, while Level 3 is like a quick refuel at a gas station (but, you know, with electricity!).