Compare Models: Find the Perfect Space Suitcase® for Your Travel Style
- Space Suitcases® Editorial Team
- Nov 5, 2025
- 3 min read
Not every journey is the same — and not every traveler moves the same way.
That’s why Space Suitcases® offers three smart models, each engineered with a distinct personality.
Let’s help you choose which one belongs by your side.
⚡The Quick View Comparison
Feature | ERT1 | AF3 | KD3 |
Mobility Type | Rideable Electric Suitcase | Auto-Follow + Rideable | Foldable Ride-On |
Top Speed | 8 mph (13 km/h) | 7 km/h | 9.3 mph (15 km/h) |
Battery Capacity | 73.26 Wh removable | 63 Wh removable | Built-in lithium-ion |
Storage Volume | 26 L | 33 L | 22 L |
Weight | ≈ 18.5 lb / 8.4 kg | 12 lb / 5.5 kg | 16 lb / 7.2 kg |
Material | Aluminum + ABS hybrid shell | Polycarbonate hybrid shell | Aluminum alloy + PC |
Control System | Manual / ride throttle | Auto-follow + app + remote | Detachable handle / foldable |
USB Ports | Dual (USB-C + USB-A) | Dual USB | Single USB-C |
TSA Lock | ✅ Digital + Key Port | ✅ Combination | ✅ Combination |
Airline-Approved Battery | ✅ | ✅ | ✅ |
Best For | Frequent flyers, tech travelers | Hands-free convenience seekers | Light packers, compact explorers |
💡 Pro Tip: All models include smart charging, TSA-approved locks, and impact-resistant shells — the difference is in how you move.
🛴 ERT1 — The Performance Traveler
If you love motion and precision, the ERT1 is your ride.
It blends aviation-grade aluminum, a 250 W motor, and carry-on practicality into a statement of speed and craftsmanship. Features Guide ->
Ideal for: Frequent flyers, creators, and executives who appreciate mobility as luxury.
Highlights:
Up to 8 mph top speed with gyroscopic stability.
26 L organized storage and overhead-bin fit.
USB-C fast charging and removable 73 Wh battery.
TSA-approved digital lock and reinforced aluminum frame.
“It’s the suitcase that moves like you do — smooth, confident, and built to last.”
🤖 AF3 — The Intelligent Companion
Prefer to travel hands-free? The AF3 follows your lead — literally.
It combines auto-follow sensors, remote and app control, and ride-on versatility in a single futuristic frame.
Ideal for: Smart travelers who value convenience, connectivity, and fun. Style Guide ->
Highlights:
Auto-follow + remote control system.
Built-in “dancing” demo mode for events or content.
33 L capacity — the largest in the lineup.
Dual USB ports and 63 Wh removable battery.
Matte black design for stealth elegance.
💡 Pro Tip: Great for creators or travelers who need both style and showmanship.
🧳 KD3 — The Compact Transformer
Lightweight, foldable, and fast — the KD3 is built for minimalist explorers who love versatility.
It folds into a suitcase, transforms into a scooter, and fits almost anywhere.
Ideal for: Travelers with short trips, smaller spaces, or flexible lifestyles.
Highlights:
Foldable aluminum frame and detachable scooter base. Features ->
22 L water-resistant storage.
Braking system + dual-wheel steering.
Up to 9.3 mph top speed.
Adjustable handle height for different riders.
💡 Pro Tip: Don’t underestimate its size — KD3 packs energy and efficiency for quick urban hops.
👤 Choose by Personality
Traveler Type | Best Match | Why |
The Jetsetter | ERT1 | Loves motion, speed, and seamless airport transitions. |
The Innovator | AF3 | Prefers automation, tech flair, and hands-free movement. |
The Minimalist | KD3 | Travels light, values compact form and quick setup. |
Image idea: Editorial collage showing each persona in travel scene.
🔋 All Models Share the Same DNA
Whichever you choose, you’re getting the core Space Suitcases® experience:
TSA-approved removable batteries
Smart USB-C charging
Reinforced hybrid shells
Quiet, smooth-glide wheels
Engineered safety + sustainability focus
For travel regulations, see TSA Battery Regulations and FAA Lithium Battery Safety.
💬 Final Thoughts
Every Space Suitcase® is a reflection of motion — some glide, some follow, all impress.
The question isn’t which is better — it’s which feels like you.
Ready to pick your travel partner? Shop the ERT1 Smart Suitcase
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