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NIU KQi Air vs KQi3 Max – Ultra-Lightweight or More Power?
The NIU KQi Air and NIU KQi3 Max are two standout electric scooters in NIU’s premium lineup. Both models deliver smart technology, stylish designs, and solid performance. However, they cater to different riding priorities, with one excelling in portability and the other in power and range.
Since the KQi Air is built to be one of the lightest premium scooters available, it’s ideal for commuters who often carry their ride. In contrast, the KQi3 Max is designed for riders who want speed, stability, and extended range. As a result, it’s better suited for longer and more demanding commutes.
Key Takeaways
- NIU KQi Air weighs only 11.7 kg, making it perfect for riders who regularly use public transport or need to carry their scooter upstairs.
- NIU KQi3 Max reaches 37 km/h, has a stronger motor, and offers a 65 km range — ideal for hilly routes or extended city travel.
- Both scooters use 9.5-inch tubeless tires, dual disc brakes, and regenerative braking for safety and efficiency.
- The KQi Air suits short-to-medium commutes on mostly flat terrain.
- The KQi3 Max is better for riders who prioritize performance and stability.
- Each model integrates with the NIU app for tracking, security, and firmware updates. Notably, the KQi3 Max offers a more advanced dashboard.
- Price differences reflect purpose: the Air’s ultra-light carbon frame versus the Max’s all-round performance build.
Quick Specs Overview
NIU KQi Air
- Top Speed: 32 km/h
- Range: Up to 50 km
- Motor Power: 350 W rated, 700 W peak
- Weight: ~11.7 kg
- Frame: Carbon fiber + magnesium alloy
- Tires: 9.5″ tubeless
- Brakes: Dual disc + regenerative braking
- App Features: Ride tracking, lock mode, OTA updates
NIU KQi3 Max
- Top Speed: 37 km/h
- Range: Up to 65 km
- Motor Power: 450 W rated, 900 W peak
- Weight: ~21 kg
- Frame: Aluminum alloy
- Tires: 9.5″ tubeless
- Brakes: Dual disc + regenerative braking
- App Features: Advanced dashboard, ride analytics, OTA updates
Design & Build Quality
NIU KQi Air – Featherweight Engineering
The KQi Air combines carbon fiber and magnesium alloy to achieve an extremely low weight of just 11.7 kg. Because of this, carrying it upstairs or onto public transport is exceptionally easy. NIU’s modern styling, clean lines, and integrated lighting give it a refined, premium appearance.
Although its lightweight build results in great maneuverability, the design prioritizes portability over maximum load capacity.
NIU KQi3 Max – Solid and Sturdy
Meanwhile, the KQi3 Max uses an aluminum alloy frame that focuses on durability and stability. While it weighs nearly twice as much as the Air, this added weight boosts high-speed control and rider confidence on uneven terrain.
It retains the Air’s sleek look but appears slightly bulkier — a visual clue to its higher performance.
Verdict: Choose the Air for lightweight convenience; opt for the Max if you prioritize stability.
Comfort & Ride Quality
NIU KQi Air
Thanks to its geometry and low weight, the KQi Air delivers an agile and responsive ride. Its 9.5-inch tubeless tires absorb minor bumps well. Although it lacks suspension, the deck height and ergonomics offer comfort for city streets.
NIU KQi3 Max
The heavier Max frame naturally absorbs more vibration, which increases comfort during longer rides. While both models use the same tires, the Max feels steadier on uneven terrain due to its mass.
Verdict: Both perform well in urban environments, but the Max offers better comfort for mixed surfaces.
Performance: Speed and Hill Climbing
NIU KQi Air
With a top speed of 32 km/h and 700 W peak power, the Air accelerates well within city limits. It handles moderate slopes with ease. However, heavier riders may notice performance dips on steeper inclines.
NIU KQi3 Max
By comparison, the Max features 900 W peak power and reaches up to 37 km/h. Consequently, it climbs hills faster and maintains higher speeds, even under heavier loads.
Verdict: The Air suits flat routes, while the Max excels on hills and faster commutes.
Range & Battery Life
NIU KQi Air
The Air’s 50 km range covers typical daily trips. Moreover, its smaller battery charges faster, which is convenient for active commuters or multi-leg rides.
NIU KQi3 Max
In contrast, the Max delivers up to 65 km on a single charge. As a result, it is a better fit for longer commutes or riders who prefer to charge less often.
Verdict: Choose the Air for shorter, frequent rides; pick the Max if you need extra distance per charge.
Portability & Storage
NIU KQi Air
At just 11.7 kg, the Air is exceptionally portable. In addition, it folds quickly and stores easily in small spaces. You can carry it with one hand or bring it onto public transit without hassle.
NIU KQi3 Max
Meanwhile, the Max weighs nearly 21 kg. Although it folds just like the Air, the weight makes carrying it up stairs or long distances more difficult.
Verdict: The Air wins for portability. Nevertheless, the Max remains manageable for ground-floor storage or car transport.
Braking & Safety
Both scooters use dual disc brakes along with regenerative braking, providing strong and consistent stopping power. LED headlights, brake lights, and reflectors improve visibility. Additionally, the Max’s heavier frame offers greater stability during hard braking.
Dashboard, App, and Smart Features
NIU KQi Air
The Air keeps things simple with a minimal display showing speed, battery, and ride mode. Its NIU app integration provides GPS tracking, remote locking, OTA updates, and ride stats. These smart features enhance security and usability.
NIU KQi3 Max
On the other hand, the Max features an upgraded dashboard with more detailed ride data. Furthermore, it adds advanced ride analytics to the app. For more options, explore our Best NIU Electric Scooters 2025 guide.
Durability & Maintenance
- KQi Air: Lightweight carbon design is durable under typical urban use. Tubeless tires reduce the risk of flats.
- KQi3 Max: Designed for high-mileage riders; parts are easily available from NIU dealers and online.
Also see our guides: Lightweight Electric Scooters and How to Maintain Your Electric Scooter.
Use Cases: Which Is Best for You?
- Daily public transport + frequent lifting → NIU KQi Air
- Hilly commutes + longer range → NIU KQi3 Max
- Occasional city rides → Either model
- High performance + heavier build OK → NIU KQi3 Max
For another great comparison, read our Segway Ninebot MAX G3 vs Xiaomi Electric Scooter 4 Pro breakdown.
Cost & Overall Value
The KQi Air offers ultra-portability with high-end materials, while the KQi3 Max gives you range and power at a competitive price. Both deliver solid value, depending on your use case. Ultimately, the decision comes down to whether you prioritize portability or performance.
Pros & Cons Summary
NIU KQi Air – Pros
- Extremely lightweight at 11.7 kg
- Premium carbon fiber build
- Quick folding and easy to carry
- Modern, minimalist design
NIU KQi Air – Cons
- Less powerful on inclines
- Lower top speed and range
- May feel less stable at high speeds
NIU KQi3 Max – Pros
- Stronger motor and better hill performance
- Extended range up to 65 km
- Heavier build improves ride stability
- More robust for frequent long rides
NIU KQi3 Max – Cons
- Less portable due to weight
- Bulkier design than the Air
Final Verdict: Which One to Choose?
Get the NIU KQi Air if you:
- Want the lightest, easiest-to-carry scooter
- Use public transport daily
- Ride mostly short urban distances
Get the NIU KQi3 Max if you:
- Need more power and top speed
- Ride longer distances
- Prefer a solid and stable feel
NIU KQi Air Electric Scooter for Adults, Carbon Fiber Ultra Light 31 Miles Long Range, Max Speed 20MPH, 7.5in. Wider Deck, 9.5in. Tubeless Fat Tires, UL...
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| Brand | NIUNIU |
| Category | Electric ScootersElectric Scooters |
General
| Model The Model specifies the exact version or name of the scooter. It helps identify its unique design, features, and specifications within the manufacturer’s product line. Knowing the model makes it easier to compare options, find compatible accessories, or look up support information. | KQi AirKQi3 Max |
| Brand The Brand identifies the manufacturer or company that designs and produces the scooter. A trusted brand is a sign of quality, reliability, and good customer support. Well-known brands often have higher standards for safety, performance, and after-sales service, giving you more confidence in your purchase. | NIUNIU |
| Release Date The Release Date indicates when the scooter model was officially launched on the market. This helps you know how current the design, technology, and features are. A newer release date often means updated components, improved performance, and the latest safety or smart features. | 01 January 202301 January 2022 |
| Recommended Age Recommended Age indicates the minimum age range that the scooter is designed for, based on safety, size, and ease of use. Following the recommended age helps ensure that riders can handle the scooter’s speed, weight, and controls comfortably and safely. Always check local laws and use protective gear, especially for younger riders. | 14+ years14+ years |
Performance & Power
| Motor Power (Wattage) What it means: The motor power, measured in watts (W), shows how strong the scooter’s electric motor is. Why it matters: Higher wattage usually means better acceleration, more torque, and improved performance on hills or rough terrain. For example, a 250W motor is good for flat city roads and light riders, while a 500W or 1000W motor provides more power for faster speeds or climbing steep inclines. | 350 W rated, up to 700 W peak450 W nominal, up to 900 W peak |
| Top Speed The Top Speed indicates the maximum speed that the scooter can reach under optimal conditions. It’s usually measured on level ground with a fully charged battery and an average rider weight. A higher top speed allows you to travel longer distances faster, but always ensure you ride within legal speed limits and your personal comfort zone for safety. | Up to ~32 km/h (20 mph)32 km/h (~23.6 mph) when unlocked via app; 20 mph default |
| Battery Capacity Battery Capacity refers to the total amount of energy the scooter’s battery can store, usually measured in ampere-hours (Ah) or watt-hours (Wh). A higher battery capacity means you can ride longer distances on a single charge, reducing the need for frequent recharging. Keep in mind that actual range can vary depending on rider weight, terrain, speed, and weather conditions. | 451.2 Wh (48 V, 9.4 Ah)608 Wh (48 V, 12.7 Ah) |
| Estimated Range per Charge The Estimated Range per Charge indicates the average distance the scooter can travel on a single full battery charge. This range is calculated under optimal conditions, such as flat terrain, moderate speed, and average rider weight. Real-world range may vary depending on riding style, terrain, weather, and load. A longer range means fewer recharges and greater freedom for longer trips. | ~50 km (31 mi) claimed; real‑world ~24 km65 km (40 miles) claimed; ~24 miles (38 km) real-world |
| Hill Climb Ability Hill Climb Ability describes the maximum incline or slope that the scooter can handle while maintaining stable performance. It’s typically expressed as a percentage or in degrees. A higher hill climb rating means the scooter can tackle steeper hills without losing too much speed or power. Actual climbing performance may vary based on rider weight, battery charge, and terrain conditions. | Up to ~20% inclineUp to ~25% gradient |
| Drive System The Drive System refers to how power from the motor is delivered to the wheels. Electric scooters typically use either a hub motor (directly integrated into the wheel) or a chain/belt drive system. A high-quality drive system ensures smooth acceleration, efficient power transfer, and low maintenance. The choice of drive system affects performance, noise level, and overall ride experience. | Rear-wheel hub motorRear‑wheel hub motor |
Charging & Electrical
| Charging Time Charging Time indicates how long it takes to fully recharge the scooter’s battery from empty to 100% using the standard charger provided. Faster charging means less downtime and more time on the road. Actual charging time may vary slightly depending on battery capacity, charger output, and environmental conditions. | Around 5 hours~8 hours with 108 W charger |
| Battery Type Battery Type refers to the specific technology used in the scooter’s battery, which affects performance, lifespan, weight, and charging time. Most modern electric scooters use high-quality lithium-ion (Li-ion) batteries because they offer a good balance of energy density, durability, and low maintenance. A reliable battery type ensures consistent power delivery and longer riding ranges. | NIU Energy lithium‑ion (48 V, 21700 cells)48 V lithium-ion with Smart BMS 7th Gen |
| Removable Battery A Removable Battery means the battery pack can be easily detached from the scooter for convenient charging and replacement. This feature allows you to charge the battery separately, swap it with a spare for extended range, or securely store it indoors in extreme weather. Removable batteries add flexibility and make it easier to keep your scooter powered up wherever you are. | NoNo |
| Regenerative Braking Regenerative Braking is an energy-saving feature that converts some of the energy normally lost during braking back into battery power. When you slow down or brake, the motor works in reverse to generate electricity, which helps extend the scooter’s range and improves overall efficiency. This system also reduces wear on traditional brake components, leading to lower maintenance over time. | YesYes |
| Lighting Lighting refers to the built-in front and rear lights that enhance visibility and safety when riding in low-light conditions or at night. Good lighting helps you see the road ahead and ensures that other road users can see you. Many scooters include LED headlights, taillights, and sometimes brake lights or side reflectors for added safety and compliance with local traffic regulations. | Front “Halo” LED, rear brake light, turn signals, ambient side lights, electric hornFront LED halo, rear brake light; no built-in turn signals; includes mechanical bell and reflectors |
Build & Dimensions
| Scooter Weight Scooter Weight refers to the total weight of the scooter when fully assembled, including the battery. This affects how easy it is to carry, lift, and store the scooter when not in use. A lighter scooter is more portable and convenient for commuting, especially if you need to carry it upstairs or onto public transport. Keep in mind that a sturdy frame and quality components may add to the weight but also contribute to better durability and ride stability. | Approximately 11.9 kg (26.2 lb)~21 kg (46.3 lb) |
| Maximum Rider Weight Maximum Rider Weight indicates the highest rider weight that the scooter is designed to safely support while maintaining optimal performance and stability. Staying within this limit helps ensure reliable acceleration, braking, and climbing ability, and it protects the frame, suspension, and motor from excessive strain. Exceeding the recommended limit may reduce performance and increase wear on components. | Up to 120 kg (264 lb)up to 120 kg (265 lb) |
| Deck Size Deck Size refers to the dimensions of the scooter’s standing platform. A wider and longer deck provides more foot space, allowing you to stand comfortably and adjust your stance while riding. A well-sized deck improves balance and stability, especially on longer rides or at higher speeds. Compact decks, on the other hand, help keep the scooter lightweight and portable. | Wide carbon-fiber deck (~7.5″ / 19 cm)Wide rubber-grip deck (~22.4 × 6.3 in / ~57 × 16 cm) |
| Handlebar Height Handlebar Height refers to the distance from the deck to the handlebars, which affects your riding posture and comfort. An appropriate handlebar height helps you maintain good balance, reduces strain on your back and arms, and makes steering more comfortable. Some scooters have adjustable handlebars to fit riders of different heights, while others have a fixed height for a streamlined design. | Fixed, wide (~54 cm) for ergonomic controlFixed; wide (~54 cm / 21.3 in) handlebar |
| Folding Mechanism The Folding Mechanism describes how easily and securely the scooter can be folded for carrying and storage. A well-designed folding system lets you quickly collapse the scooter into a compact size, making it convenient to transport on public transit, store under a desk, or fit into a car trunk. Look for sturdy latches and safety locks to ensure the scooter stays firmly in place when folded or unfolded. | YesYes |
| Dimensions Folded Dimensions indicate the size of the scooter when it’s fully folded. This measurement shows how much space the scooter will take up when stored or carried, making it easier to check if it will fit in your car trunk, under a desk, or in a closet. Compact folded dimensions are ideal for commuters who need to bring their scooter on public transport or store it in tight spaces. | Ultra‑compact with flat-fold handlebars (~48 cm)Approximately 45.5″ × 21.3″ × ~19.8″ (with flat folded stem) |
| Material Material refers to the primary construction materials used for the scooter’s frame and key components. High-quality materials like aircraft-grade aluminum, reinforced steel, or durable composites provide strength, stability, and a lighter overall weight. A sturdy material ensures the scooter can handle daily wear and tear while maintaining safety and performance. | Carbon fiber (70%) and magnesium alloy chassisAerospace-grade aluminum frame |
Safety & Control
| Brake Type(s) Brake Type(s) describe the braking systems the scooter uses to help you slow down or stop safely. Common brake types include mechanical brakes (like drum or disc brakes), electronic brakes, and foot brakes. Many scooters combine multiple braking systems for added safety and shorter stopping distances. The type and quality of brakes affect your control, especially when riding at higher speeds or on slopes. | Front mechanical disc brake + rear regenerative brakeDual front and rear disc mechanical brakes plus electronic rear regen brake |
| Suspension Suspension refers to the system that absorbs shocks and vibrations while riding, providing a smoother and more comfortable ride over uneven or rough surfaces. Scooters may have front suspension, rear suspension, or dual suspension for better shock absorption and stability. Good suspension helps reduce rider fatigue and improves control, especially when riding on bumpy roads or off-road paths. | None—relies on tire and frame comfort designNone; relies on large tubeless tires and rigid frame |
| Tire Type Tire Type refers to the kind of tires the scooter uses, which directly affects ride comfort, traction, and maintenance. Common types include solid (airless) tires, pneumatic (air-filled) tires, or hybrid options. Pneumatic tires offer better shock absorption and a smoother ride on rough surfaces, while solid tires are puncture-proof and require less upkeep. The right tire type helps ensure safe handling and a comfortable ride in different conditions. | 9.5″ tubeless pneumatic puncture‑resistant9.5″ tubeless pneumatic, air-sealed |
| Tire Size Tire Size indicates the diameter and width of the scooter’s tires, which affect ride comfort, stability, and how well the scooter handles different terrains. Larger tires generally offer better shock absorption and a smoother ride over bumps and rough surfaces, while smaller tires keep the scooter lighter and more portable. Choosing the right tire size helps ensure a balance between agility and comfort. | 9.5″ × 2.3″ (241 × 58 mm) front & rear9.5″ × 2.5″ (~241 × 64 mm) front & rear |
| Kickstand The Kickstand is a built-in stand that allows you to park your scooter upright when it’s not in use. A sturdy kickstand keeps the scooter stable and prevents it from tipping over, protecting it from scratches and damage. It also makes storing and accessing your scooter more convenient, whether you’re at home, work, or on the go. | YesYes |
| Water Resistance Rating Water Resistance Rating indicates how well the scooter is protected against water and moisture, usually shown as an IP (Ingress Protection) rating. This rating helps you understand whether the scooter can handle light rain, splashes, or wet roads without damage. While most scooters are not fully waterproof, a good water resistance rating adds peace of mind when riding in changing weather conditions. Always avoid deep puddles or submerging the scooter to protect its electrical components. | IP55 (splash and dust resistant)IP54 (splash and dust resistant) |
Features & Extras
| Display/Console The Display (or Console) shows important real-time information about your ride, helping you monitor your scooter’s status at a glance. Typical displays show speed, battery level, distance traveled, and riding mode. Some models also include additional features like Bluetooth connectivity, app integration, or backlighting for better visibility at night. A clear and easy-to-read display enhances safety and convenience on every trip. | Integrated LED dashboard shows speed, mode, and battery statusLED dashboard shows speed, battery, and mode; includes mechanical bell |
| Ride Modes Ride Modes refer to the different speed and power settings you can choose to match your riding style or road conditions. Common modes include eco for maximum range and energy efficiency, standard for everyday balance, and sport or turbo for higher speed and stronger acceleration. Switching between ride modes allows you to customize performance, conserve battery, and ride safely in various environments. | Adventure modes: E‑Save, Sport, Pedestrian, Dynamic, Cruise Control, plus Custom via appFour modes: E‑Save, Sport, Custom, Pedestrian; plus app-enabled cruise control |
| Smart App Connectivity Smart App Connectivity lets you pair your scooter with a dedicated mobile app via Bluetooth. Using the app, you can monitor real-time ride stats like speed, battery level, and range, adjust settings such as ride modes or cruise control, lock the scooter for added security, and sometimes receive firmware updates. This feature adds convenience and allows you to personalize your riding experience right from your smartphone. | YesYes |
| Anti-Theft System The Anti-Theft System helps protect your scooter from unauthorized use or theft. This feature can include built-in alarms, electronic motor locks, GPS tracking, or remote locking through a mobile app. A good anti-theft system provides peace of mind when parking your scooter in public spaces, adding an extra layer of security to safeguard your investment. | NFC card unlock, app lock, built-in GPS alarm (estimated from features list)App-based lock and ride alerts (no NFC unlocking) |
| Cruise Control Cruise Control allows you to maintain a steady speed without continuously holding the throttle. This feature makes longer rides more comfortable by reducing hand fatigue and providing a smoother, more relaxed riding experience — especially on flat, open roads or bike lanes. For safety, cruise control can usually be easily activated or deactivated while riding. | YesYes |
| Accessories Included Accessories Included lists the additional items that come with the scooter to enhance your riding experience and convenience. Common accessories may include a charger, kickstand, bell, lights, phone holder, or carrying strap. These extras add value by making your scooter safer, easier to use, and ready to ride straight out of the box. | Electric horn, reflectors, charger, user manualCharger, manual, bell, reflectors |
Warranty & Compliance
| Warranty Period The Warranty Period indicates how long the manufacturer guarantees the scooter against defects in materials and workmanship under normal use. A good warranty provides peace of mind, showing the brand’s confidence in its product quality. Always check what parts are covered, such as the frame, battery, and motor, and follow the maintenance guidelines to keep your warranty valid. | Typically 24 monthsTypically 24 months (US/EU regions) |
| Certifications Certifications confirm that the scooter meets specific safety, quality, and environmental standards set by recognized organizations or regulatory bodies. Common certifications may include CE, RoHS, UL, or other local compliance marks, depending on your region. These certifications ensure that the scooter is manufactured to high standards and is safe and legal to use in your country. | UL‑2272, CE, IP55 compliant, meets US/EU standardsUL‑2272, CE; IP54 water/dust protection |
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