109 kWh EV Battery Charging Time on 7.2 kW (240V 30A Home Wallbox)
Real-world charging duration (10–80%, 20–80%, and 0–100%), range added per hour, charging cost, and electrical circuit breaker sizing.
10% to 80% Charge Time11h 46m20%–80%: 10h 06m
Full 0% to 100% Time17h 12mGrid Energy: 121.1 kWh
Driving Range Added / Hour+37.0 km/h+23.0 miles / hour
Circuit Breaker Required40A (NEC)30.0A @ 240V (1P)
Charging Time & Electrical Specification Table (109 kWh @ 7.2 kW)
| EV Battery Usable Capacity | 109 kWh |
| Charger Output Rating | 7.2 kW (240V 30A Home Wallbox) |
| 10% to 80% Charging Time (Daily / Highway Optimal) | 11h 46m (11.77 hours) |
| 20% to 80% Charging Time | 10h 06m (10.09 hours) |
| 0% to 100% Full Charge Time (with BMS Tapering) | 17h 12m (17.2 hours) |
| Estimated Full Charge Cost (US / Germany / Sweden) | $21.19 (US) · €41.17 (DE) · 199.81 kr (SE) |
| Continuous Current Draw & Breaker | 30.0 A @ 240V (1-Phase) → 40A NEC / 30A IEC Breaker |
Frequently Asked Questions
How long does it take to charge a 109 kWh EV battery at 7.2 kW?
Charging a 109 kWh electric vehicle battery from 10% to 80% on a 7.2 kW (240V 30A Home Wallbox) takes approximately 11h 46m (or 17h 12m for a full 0% to 100% charge including charger efficiency and BMS tapering).
What breaker size is required for a 7.2 kW EV charger?
At 240V (1-Phase), a 7.2 kW charger draws 30.0A continuously, requiring a 40A breaker under US NEC 625.41 (125% continuous load rule) or a 30A breaker under European IEC/NEK standards.
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