⚡ Cu ρ (75°C): 0.0214 Ω·mm²/m 🔌 NEC / IEC Standards: NFPA 70 & IEC 60364 🇺🇸 US Grid Avg: $0.175/kWh 🇩🇪 DE Grid Avg: €0.345/kWh 🇸🇪 SE Elpris: 1.54 SEK/kWh 🇳🇴 NO Strøm: 1.17 NOK/kWh 🔩 Copper Ref: $9,650/t (2026-10-24)
🚗 EV Charging Time · NEC Article 625 · IEC 61851 Wallbox Sizing

82 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 Time13h 52m20%–80%: 11h 53m
Full 0% to 100% Time20h 15mGrid Energy: 91.1 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 (82 kWh @ 4.6 kW)

EV Battery Usable Capacity82 kWh
Charger Output Rating4.6 kW (230V 20A Single-Phase)
10% to 80% Charging Time (Daily / Highway Optimal)13h 52m (13.86 hours)
20% to 80% Charging Time11h 53m (11.88 hours)
0% to 100% Full Charge Time (with BMS Tapering)20h 15m (20.26 hours)
Estimated Full Charge Cost (US / Germany / Sweden)$15.94 (US) · €30.97 (DE) · 150.31 kr (SE)
Continuous Current Draw & Breaker19.2 A @ 240V (1-Phase) → 25A NEC / 20A IEC Breaker

Frequently Asked Questions

How long does it take to charge a 82 kWh EV battery at 4.6 kW?

Charging a 82 kWh electric vehicle battery from 10% to 80% on a 4.6 kW (230V 20A Single-Phase) takes approximately 13h 52m (or 20h 15m 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.