7kW vs 22kW AC EV Charging Stations: Key Differences for Project Planning

Huizhou, GD, China - October 13, 2026 - A 7kW AC EV charger typically uses single-phase power and may add approximately 20–30 miles of driving range per hour. A 22kW AC charger generally uses three-phase power and may add approximately 60–90+ miles per hour when the vehicle, charger and electrical installation support the full output. A 7kW charger is usually suitable for homes, apartments, workplaces and long-stay parking. An 11kW charger can provide a practical middle option where