2025 NIO Firefly EV
Charge times & specs
Specs
Usable battery57 kWh
Battery chemistryLFP
Peak DC rate150 kW
Peak AC rate11 kW
Charging architecture400 V
Range (CLTC, approx.)249 mi · 400 km
Efficiency (approx.)4.4 mi/kWh · 7.0 km/kWh
Charge-port locationRear right
Heat pumpYes
DrivetrainFront-wheel drive
Power150 kW
0–62 mph7.5 s
Kerb weight1,650 kg
ConnectorsCCSType 2
LFP packs are happy being charged to 100% regularly - no need to stop at 80% for battery health.
How long does the 2025 NIO Firefly EV take to charge?
AC 7.4 kW · 0–100% at 7.4 kW7 h 42 min
AC 22 kW · 0–100% at 11 kW5 h 11 min
Rapid 50 kW · 10–80% at up to 50 kW~51 min
Ultra-rapid 150 kW · 10–80% at up to 150 kW~26 min
Ultra-rapid 350 kW · 10–80% at up to 150 kW~26 min
Estimates assume a typical charge curve and a warm battery - cold weather, a nearly-full battery, or a busy shared unit can slow things down.
What does it cost to charge?
Enter your home tariff or a charger's listed rate - costs follow your number and the car's usable battery; per-mile uses the rated range.
Specs: NIO Firefly EV Official Specifications · via OpenEV Data
NIO - All vehicles