XPENG G7 702 Max electric vehicle exterior

XPENG G7 702 Max - Electric Vehicle Specs

SUV RWD

Power

218 kW

(296 HP)

0-100 km/h

6.5 s

Top Speed

200 km/h

Battery Options

Standard Battery (80 kWh / 80 kWh)

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

Gross Capacity: 80 kWh
Net Capacity: 80 kWh
Buffer: 0%
The XPENG G7 702 Max reaches peak charging power of 425 kW between 10–80% SOC.
It takes 15 min to charge from 10–80% SOC and adds 262 km of real-world highway driving range, representing a 3.0 C‑Rate. This performance is better than 95% in its class.

Average Charging Power

131 kW

Avg C‑rate: 1.6

Maximum Charging Power

425 kW

At 10 → 20% SOC

Minimum Charging Power

23 kW

0–100% Charging Time

39 min

Charging Curve

State of Charge over Time

SOC Range Charging Time Avg. Power Avg. C-Rate Energy Added
0% → 100% 39 min 130.8 kW 1.64 C 86.0 kWh
0% → 90% 25 min 181.2 kW 2.27 C 77.4 kWh
0% → 80% 19 min 211.3 kW 2.64 C 68.8 kWh
5% → 100% 36 min 134.8 kW 1.69 C 81.7 kWh
5% → 90% 22 min 194.4 kW 2.43 C 73.1 kWh
5% → 80% 16 min 235.0 kW 2.94 C 64.5 kWh
10% → 100% 35 min 132.1 kW 1.65 C 77.4 kWh
10% → 90% 21 min 193.3 kW 2.42 C 68.8 kWh
10% → 80% 15 min 236.7 kW 2.96 C 60.2 kWh