

A) Inflation Time
| Application | Tire Spec | Start → Target | Inflation Time (mm:ss) |
| Mountain Bike | 26×1.95 | 0 → 65 PSI | 02:10 |
| Mountain Bike | 27.5×1.95 | 0 → 65 PSI | 02:50 |
| Road Bike | 700×23C | 0 → 120 PSI | 03:30 |
| Road Bike | 700×25C | 0 → 120 PSI | 02:15 |
| Road Bike | 700×28C | 0 → 120 PSI | 02:35 |
B) Number of rechargeable times
| Tire Spec | Start → Target | Rechargeable Times |
| 26×1.95 | 0 → 65 PSI | 2.3 times |
| 27.5×1.95 | 0 → 65 PSI | 2.0 times |
| 700×23C | 0 → 120 PSI | 2.8 times |
| 700×25C | 0 → 120 PSI | 2.5 times |
| 700×28C | 0 → 120 PSI | 1.9 times |
Notes:
Results may vary due to tire volume, ambient temperature, valve sealing, and gauge differences.
Data is for reference; acceptance criteria can be defined by mutual agreement under the same test conditions.
|
Parameters (K9)
|
Spec
|
|
Max Pressure
|
130 PSI
|
|
Airflow
|
10 L/min
|
|
Cylinder Diameter
|
Ø12 mm
|
|
Power
|
48 W
|
|
Battery
|
600 mAh × 2
|
|
Endurance
|
5–8 min
|
|
Charging Time
|
100 min
|
|
Current
|
6.5 A
|
|
Voltage
|
7.4 V
|
Notes:
| Item | Image | Category | Function | Compatibility | Notes |
| European valve adapter |
![]() |
Standard accessory | Connects to Presta-style valves | K9 | Replaceable upon request |
| American/European dual-purpose valve head |
![]() |
Optional | Dual valve support for common bike valves | K9 | For multi-valve use |
| Ball needle |
![]() |
Standard accessory | Inflation for balls | K9 | Optional for some packs |
| Valve seal ring |
![]() |
Consumable | Prevents leakage at valve connection | K9 | Recommended spare |
| American air hose |
![]() |
Replaceable | Hose connection for inflation | K9 | Replaceable upon request |
| Type-C charging cable |
![]() |
Standard accessory | Charging | K9 | Replaceable upon request |
|
Market
|
Document
|
Type
|
Status
|
Applicable to
|
Notes
|
Action
|
|
EU
|
CE
|
Certificate/DoC
|
Certified / Available
upon request
|
Model + Variant
|
—
|
Download /
Request
|
|
EU
|
RoHS
|
Declaration / Report
|
—
|
|||
|
US
|
FCC
|
Test Report
|
—
|
|||
|
Battery (if applicable)
|
UN38.3 / MSDS
|
Report
|
—
|
Notes:
Certificates and reports are provided based on the confirmed production configuration. Compliance requirements may vary by market and customer application.
To become a trusted global partner in mobility equipment, working hand in hand with distributors and brand clients to deliver safer, more convenient, and freer travel experiences.
YANTU provides a one-stop ODM/OEM service, from solution design, industrial design, and functional customization to certification and mass delivery, helping global brand partners build market-ready, competitive products.

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