1. Introducere
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your NIU KQi Air Electric Scooter. The KQi Air is designed for adult riders, featuring an ultra-light carbon fiber frame, extended range, and advanced safety features. Please read this manual thoroughly before your first ride to ensure proper usage and to maximize the lifespan of your scooter.

Figure 1.1: The NIU KQi Air Electric Scooter, showcasing designul său elegant și factorul de formă compact.
2. Informații de siguranță
Your safety is paramount. Always adhere to local laws and regulations regarding electric scooter usage. Wear a helmet and appropriate safety gear during operation. The NIU KQi Air Electric Scooter is UL 2722 certified, ensuring high standards of electrical safety.
2.1 Caracteristici cheie de siguranță
- Semnale de viraj: Integrated for clear indication of turns.
- Integrated Electric Horn: For alerting pedestrians and other vehicles.
- Front Halo Light & Rear Lighting: Ensures visibility during low-light conditions.
- Dual Brakes (Disc Front + Rear EBS): Provides reliable stopping power with regenerative braking.
- 9.5-inch Tubeless Fat Tires: Offers enhanced stability and shock absorption.

Figure 2.1: Visual representation of the scooter's integrated safety and control features, including lighting and signaling.
2.2 Instrucțiuni generale de siguranță
- Purtați întotdeauna o cască certificată și echipament de protecție (genunchiere, cotiere, apărători de încheietură).
- Do not ride in heavy rain, snow, or icy conditions. The scooter is water-resistant (IP54), but not waterproof.
- Păstrați o distanță sigură față de alte vehicule și pietoni.
- Avoid sudden acceleration or braking, especially at high speeds.
- Asigurați-vă că toate componentele sunt fixate în siguranță înainte de fiecare plimbare.
- Nu depășiți limita maximă de greutate de 265 de livre (120 kg).
3. Caracteristicile și designul produsului
3.1 Ultra-Light Carbon Fiber Frame
The KQi Air features a premium Pyrofil TR50S15L carbon fiber frame, making it exceptionally lightweight at only 26.2 lbs (11.9 kg). This material provides an outstanding strength-to-weight ratio and is approximately three times stronger than aluminum, enhancing both portability and durability.

Figure 3.1: Illustration of the scooter's carbon fiber frame construction, emphasizing its strength and lightweight properties.
3.2 Performance Capabilities
- Viteza maxima: 20 mph (32 km/h)
- Interval maxim: 31 miles (50 km) on a single charge
- Putere motor: 700W Max Power, capable of climbing 20% inclines.

Figura 3.2: Pesteview of the scooter's performance specifications, including range, speed, hill climbing ability, and motor output.
3.3 Enhanced Comfort and Control
- Wider Handlebar: 29% wider for easier steering and improved control.
- Wider Deck: 41% wider, providing extra foot space and stability with an anti-slip surface.
- 9.5-inch Tubeless Tires: 44% wider, delivering improved grip, comfort, and durability.
- 75° Tilt Angle: Optimized geometry for balanced steering and rider comfort.
- Display integrat: A bright, seamless display showcases key information.

Figure 3.3: Visual breakdown of design elements contributing to rider comfort and control.
3.4 Conectivitate inteligentă
The NIU KQi Air offers advanced smart features for enhanced security and user experience.
- NFC Smart Lock: Secure and convenient locking mechanism.
- Deblocare Bluetooth: Seamless connection via the NIU Smart App.
- NIU Smart App: Provides real-time information on battery life, speed, distance traveled, and anti-theft features.

Figure 3.4: Demonstration of NFC and Bluetooth unlocking capabilities, integrated with the NIU Smart App.
4. Asamblare și configurare inițială
4.1 Despachetare și verificare componente
Scoateți cu grijă toate componentele din ambalaj. Verificați dacă toate piesele sunt prezente:
- NIU KQi Air Scooter (main body)
- Ansamblu ghidon
- Încărcător
- Manual de utilizare (acest document)
- Unelte de asamblare (dacă sunt incluse)
4.2 Instalarea ghidonului
- Lift the stem of the scooter to its upright position until it locks into place.
- Connect the electronic cable from the handlebar to the cable extending from the stem. Ensure the connection is secure and aligned correctly.
- Slide the handlebar onto the stem, aligning the screw holes.
- Secure the handlebar using the provided screws and tools. Tighten firmly but do not overtighten.
4.3 Încărcare inițială
Before first use, fully charge the scooter's battery. The NIU KQi Air features a 48V Lithium-ion battery with innovative 21700 LG battery technology and a NIU Energy Battery Management System. A full charge takes approximately 5 hours.
- Localizați portul de încărcare de pe scuter.
- Conectați încărcătorul la portul de încărcare al trotinetei.
- Conectați încărcătorul la o priză standard.
- Indicatorul luminos de pe încărcător se va schimba (de exemplu, din roșu în verde) când încărcarea este completă.

Figura 4.1: Intern view of the scooter's battery system, highlighting its advanced energy storage capabilities.
4.4 NIU Smart App Connection
Download the NIU Smart App from your device's app store. The app is essential for unlocking full functionality, monitoring scooter status, and receiving firmware updates.
- Porniți scuterul.
- Activați Bluetooth pe smartphone-ul dvs.
- Open the NIU Smart App and follow the on-screen instructions to pair with your KQi Air scooter.
- You may be prompted to perform initial setup or firmware updates. Complete these steps for optimal performance.
5. Operarea scuterului
5.1 Pornire/Oprire
- Pentru a porni: Press and hold the power button on the handlebar display until the display illuminates.
- Pentru a opri: Apăsați și mențineți apăsat butonul de pornire până când afișajul se stinge.
5.2 Moduri de condus
The KQi Air may feature different riding modes (e.g., Eco, Sport) accessible via the display or the NIU Smart App. Refer to the app for specific mode details and how to switch between them.
5.3 Accelerare și frânare
- Accelerare: Gently twist the throttle on the right handlebar to accelerate. Start with a gentle push-off with your foot for smoother acceleration.
- Frânare: Use the brake levers on the handlebars. The scooter is equipped with dual brakes (front disc brake and rear EBS regenerative braking) for effective stopping. Apply both brakes simultaneously for maximum stopping power.
5.4 Lumini, claxon și semnalizatoare
- Far/Stop spate: Typically activated by a button on the display or automatically in low light. Double-tap the power button to toggle the headlamp.
- Corn: Press the horn button on the handlebar to activate the electric horn.
- Semnale de viraj: Folosește butoanele dedicate de pe ghidon pentru a activa semnalizatoarele la stânga sau la dreapta.
6. Întreținere
Regular maintenance ensures the longevity and safe operation of your NIU KQi Air scooter.
6.1 Îngrijirea bateriei
- Încărcați complet bateria după fiecare utilizare, mai ales dacă o depozitați pentru o perioadă lungă de timp.
- Evitați descărcarea completă a bateriei înainte de reîncărcare.
- Depozitați trotineta într-un loc răcoros și uscat, ferit de lumina directă a soarelui și de temperaturi extreme.
6.2 Întreținerea anvelopelor
The 9.5-inch tubeless pneumatic tires require proper inflation for optimal performance and safety.
- Check tire pressure regularly (refer to the tire sidewall for recommended PSI).
- Verificați anvelopele pentru uzură, pene sau deteriorări înainte de fiecare plimbare.
- Consider using a tire sealant for added puncture protection.
6.3 Inspecția sistemului de frânare
- Regularly check the responsiveness of both disc and regenerative brakes.
- Verificați plăcuțele de frână pentru uzură și înlocuiți-le dacă este necesar.
- Ensure brake cables (for disc brake) are not frayed or loose.
6.4 Curățarea și depozitarea
- Curățați scuterul cu anunțuriamp Evitați utilizarea jeturilor de apă sub presiune sau a substanțelor chimice dure.
- Do not hose down the scooter directly.
- When storing, ensure the scooter is clean and dry. The folding mechanism allows for compact storage.

Figure 6.1: The NIU KQi Air's foldable design allows for convenient transport and storage.
7. Depanare
This section addresses common issues you might encounter with your NIU KQi Air scooter. For more complex problems, consult the NIU Smart App or contact customer support.
| Problemă | Cauza posibila | Soluţie |
|---|---|---|
| Trotineta nu pornește. | Low battery; loose electrical connection; power button malfunction. | Charge the battery fully. Check all visible cable connections. Contact support if issue persists. |
| Reduced braking power after full charge. | Regenerative braking may be less effective when battery is at 100%. | This is normal. Rely more on the mechanical disc brake until battery drains slightly. |
| Bluetooth connection issues with app. | App glitch; scooter not in pairing mode; interference. | Restart the scooter and the app. Ensure Bluetooth is enabled on your phone. Try pairing again. |
| Zgomote neobișnuite în timpul funcționării. | Componente slăbite; resturi pe roți; problemă cu motorul. | Inspect all visible parts for looseness. Check wheels for obstructions. If noise persists, seek professional inspection. |
8. Specificații
| Caracteristică | Detaliu |
|---|---|
| Numele modelului | NIU KQi Air |
| Material cadru | Carbon Fiber (Pyrofil TR50S15L) |
| Greutatea articolului | 26.2 de lire sterline (11.9 kg) |
| Viteza maxima | 20 MPH (32 km/h) |
| Distanța maximă | 31 de mile (50 km) |
| Puterea motorului | Putere maximă de 700 W |
| Tip baterie | 48V Lithium-ion (21700 LG cells) |
| Timp de încărcare | Aproximativ. 5 ore |
| Dimensiunea roții | 9.5 inchi |
| Tip roată | Pneumatic fără tub |
| Stil de frână | Dual Brake (Disc Front) + Regenerative braking (Rear) |
| Limită de greutate | 265 de lire sterline (120 kg) |
| Dimensiunile produsului (Lxlxh) | 44.8 cm L x 21.3 cm l x 46.7 cm Î |
| Certificare UL | Certificat UL 2722 |
9. Garanție și asistență
NIU stands by the quality of its products. The NIU KQi Air Electric Scooter comes with a Garanție limitată de 2 an.
For detailed information regarding warranty terms, coverage for accessories and consumable parts, and local after-sales service, please refer to the updated warranty and user manual available on the product page or the official NIU website. For direct support, you can typically find contact information within the NIU Smart App or on the NIU brand's official support channels.
Nu au fost găsite videoclipuri oficiale cu produsul de la vânzător pentru a fi incluse în acest manual.





