Nanrobot D4+ vs NIU KQi Air X
Side-by-side comparison · Specs, scores & AI verdict
Too close to call — scores within 5 points
| Spec | Nanrobot D4+ | NIU KQi Air X |
|---|---|---|
| ⚡ Drivetrain | ||
| Peak Power | — | 700 W |
| Continuous Power | 2.0 kW ✓ | 350 W |
| Max Torque | — | — |
| Top Speed | 65 km/h ✓ | 32.2 km/h |
| Max Incline | 30 ° ✓ | 20 ° |
| Drive Config | Dual | Rear |
| Dual Motors | ✓ | ✗ |
| 🔋 Battery & Range | ||
| Battery Capacity | 1200 Wh ✓ | 451 Wh |
| Amp Hours | 23 Ah ✓ | 9.4 Ah |
| Charge Time | 12 h | 5 h ✓ |
| Claimed Range | 65 km ✓ | 49.9 km |
| Cell Chemistry | — | Lithium-ion |
| Removable Battery | ✗ | ✗ |
| Regen Braking | ✗ | ✓ |
| 📐 Size & Portability | ||
| Weight | 27 kg | 11.7 kg ✓ |
| Max Payload | 150 kg ✓ | 120.2 kg |
| Deck Length | — | 55.1 cm |
| Deck Width | — | 19.1 cm |
| Ground Clearance | — | 7.4 cm |
| Foldable | ✓ | ✓ |
| 🛤️ Ride Comfort | ||
| Wheel Diameter | 10" ✓ | 9.5" |
| Pneumatic Tires | ✓ | ✓ |
| Puncture Resistant | — | ✓ |
| Suspension | — | None |
| Adjustable Susp. | — | ✗ |
| Seat | ✓ | ✗ |
| 🛡️ Safety | ||
| Front Brake | — | Disc |
| Rear Brake | — | None |
| Front Lights | — | — |
| Rear Lights | — | — |
| Turn Signals | — | ✓ |
| IP Rating | — | IP55 |
| Kids' Scooter | ||
| 📱 Tech & Smart | ||
| Companion App | ✗ | ✓ |
| Riding Modes | — | — |
| Cruise Control | — | ✓ |
| OTA Updates | — | ✓ |
| NFC Anti-Theft | — | ✓ |
| GPS Tracking | — | ✗ |
| Warranty | — | — |
