23 kWh EV Battery Charging Time on 1.9 kW (120V 16A Level 1 NEMA 5-20)
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 Time9h 25m20%–80%: 8h 04m
Full 0% to 100% Time13h 45mGrid Energy: 25.6 kWh
Driving Range Added / Hour+9.8 km/h+6.1 miles / hour
Circuit Breaker Required20A (NEC)15.8A @ 120V (1P)
Charging Time & Electrical Specification Table (23 kWh @ 1.9 kW)
| EV Battery Usable Capacity | 23 kWh |
| Charger Output Rating | 1.9 kW (120V 16A Level 1 NEMA 5-20) |
| 10% to 80% Charging Time (Daily / Highway Optimal) | 9h 25m (9.42 hours) |
| 20% to 80% Charging Time | 8h 04m (8.07 hours) |
| 0% to 100% Full Charge Time (with BMS Tapering) | 13h 45m (13.76 hours) |
| Estimated Full Charge Cost (US / Germany / Sweden) | $4.48 (US) · €8.7 (DE) · 42.24 kr (SE) |
| Continuous Current Draw & Breaker | 15.8 A @ 120V (1-Phase) → 20A NEC / 16A IEC Breaker |
Frequently Asked Questions
How long does it take to charge a 23 kWh EV battery at 1.9 kW?
Charging a 23 kWh electric vehicle battery from 10% to 80% on a 1.9 kW (120V 16A Level 1 NEMA 5-20) takes approximately 9h 25m (or 13h 45m for a full 0% to 100% charge including charger efficiency and BMS tapering).
What breaker size is required for a 1.9 kW EV charger?
At 120V (1-Phase), a 1.9 kW charger draws 15.8A continuously, requiring a 20A breaker under US NEC 625.41 (125% continuous load rule) or a 16A breaker under European IEC/NEK standards.
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