108 kWh EV Battery Charging Time on 4.6 kW (230V 20A Single-Phase)
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 Time18h 16m20%–80%: 15h 39m
Full 0% to 100% Time26h 41mGrid Energy: 120.0 kWh
Driving Range Added / Hour+23.6 km/h+14.7 miles / hour
Circuit Breaker Required25A (NEC)19.2A @ 240V (1P)
Charging Time & Electrical Specification Table (108 kWh @ 4.6 kW)
| EV Battery Usable Capacity | 108 kWh |
| Charger Output Rating | 4.6 kW (230V 20A Single-Phase) |
| 10% to 80% Charging Time (Daily / Highway Optimal) | 18h 16m (18.26 hours) |
| 20% to 80% Charging Time | 15h 39m (15.65 hours) |
| 0% to 100% Full Charge Time (with BMS Tapering) | 26h 41m (26.68 hours) |
| Estimated Full Charge Cost (US / Germany / Sweden) | $21.0 (US) · €40.8 (DE) · 198.0 kr (SE) |
| Continuous Current Draw & Breaker | 19.2 A @ 240V (1-Phase) → 25A NEC / 20A IEC Breaker |
Frequently Asked Questions
How long does it take to charge a 108 kWh EV battery at 4.6 kW?
Charging a 108 kWh electric vehicle battery from 10% to 80% on a 4.6 kW (230V 20A Single-Phase) takes approximately 18h 16m (or 26h 41m for a full 0% to 100% charge including charger efficiency and BMS tapering).
What breaker size is required for a 4.6 kW EV charger?
At 240V (1-Phase), a 4.6 kW charger draws 19.2A continuously, requiring a 25A breaker under US NEC 625.41 (125% continuous load rule) or a 20A breaker under European IEC/NEK standards.
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