Choosing between a Level 2 and Level 3 EV charger depends on where the charger is installed, how long vehicles stay parked, and how fast drivers need to recharge.
Level 2 Charger (AC)
Level 2 chargers use alternating current (AC) and rely on the vehicle’s onboard converter. They typically deliver 7 kW to 22 kW and add around 40–75 km of range per hour.
- Best for: home, workplace, hotel, residential buildings
- Installation: simple 240V/400V connection
- Cost: $500–$2,000 per port
Level 3 Charger (DC Fast)
Level 3 chargers convert grid AC to direct current (DC) inside the station and feed power directly to the battery. They range from 20 kW to 360+ kW and can add hundreds of kilometers of range in 30 minutes.
- Best for: highways, fuel stations, fleet depots, commercial hubs
- Installation: high-power grid, cooling, civil works
- Cost: $15,000–$150,000+ installed
Level 2 vs Level 3 Comparison
| Factor | Level 2 | Level 3 |
|---|---|---|
| Power | 7–22 kW | 20–360+ kW |
| Speed | 40–75 km/h | 150–1,000 km/h |
| Ideal dwell time | 4–8 hours | 20–60 minutes |
| Best location | Home, office, hotel | Highway, depot, retail |
| Grid demand | Low | High |
For commercial sites, the right choice often means both: Level 2 for overnight fleet parking and Level 3 for fast turnaround during the day.
Need help choosing? Browse KIWI EV DC fast chargers or request a free site assessment.