Audi e7x Flagship quattro - Electric Vehicle Specs
Power
500 kW
(680 HP)
0-100 km/h
3.9 s
Top Speed
230 km/h
Battery Options
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Charging Curve & Charging Speed Analysis
Understanding Charging Performance
Charging performance isn't just about peak power—it's about sustained power across the entire charging curve. A vehicle that maintains 150kW from 10-80% SOC will charge faster than one that peaks at 250kW but quickly drops to 100kW after 20% SOC. The shape of the curve matters more than the highest peak power.
The key metric is C-rate, which accounts for both charging power and battery capacity. A C-rate of 2.0 means the battery can theoretically charge from 0-100% in 30 minutes, while 1.0 C-rate equals 60 minutes. This makes it easy to compare vehicles regardless of battery size.
Charging Curve Shape
Flat, sustained power across a wide SOC range beats high peaks that quickly taper off. Look for vehicles that maintain high power from 10-80% SOC.
C‑Rate & Timing
C-rate normalizes charging speed across different battery sizes. Higher C-rates mean shorter charging times and more flexible road trip planning.
Battery Options
Average Charging Power
153 kW
Avg C‑rate: 1.4
Maximum Charging Power
400 kW
At 10 → 22% SOC
Minimum Charging Power
20 kW
0–100% Charging Time
46 min
Charging Curve
State of Charge over Time
| SOC Range | Charging Time | Avg. Power | Avg. C-Rate | Energy Added |
|---|---|---|---|---|
| 0% → 100% | 46 min | 153.2 kW | 1.40 C | 117.5 kWh |
| 0% → 90% | 29 min | 213.1 kW | 1.95 C | 105.8 kWh |
| 0% → 80% | 22 min | 249.2 kW | 2.28 C | 94.0 kWh |
| 5% → 100% | 43 min | 153.3 kW | 1.40 C | 111.7 kWh |
| 5% → 90% | 27 min | 218.4 kW | 2.00 C | 99.9 kWh |
| 5% → 80% | 20 min | 260.6 kW | 2.38 C | 88.2 kWh |
| 10% → 100% | 42 min | 149.0 kW | 1.36 C | 105.7 kWh |
| 10% → 90% | 26 min | 214.1 kW | 1.96 C | 94.0 kWh |
| 10% → 80% | 19 min | 257.2 kW | 2.35 C | 82.2 kWh |