rechargeable air pump for car tires

Button Operation

  Set Mode Button

Switch between pumping objects: Car (36PSI) → Motorcycle (35PSI) → Bicycle (45PSI) → Ball (8PSI). Long press 3s to enter unit switching mode (PSI/BAR/KPA/Kg/cm²), flashes 3x to lock.

  Pressure Adjust Buttons (+/-)

Short press to increase/decrease preset pressure. Long press 3s for fast adjustment. Default value restores after power off or mode switch.

  ON/OFF Button

Long press 2s to turn on/off. Short press to start/stop the pump motor after power on. Automatically stops when reaching preset pressure.

  Flashlight Button

Press to turn on, long press to turn off (only when machine is on). 3 modes: Constant Light → Slow Flashing → SOS Mode → Off.

  Battery Level Display

4-level indicator: ≥7.3V(100%) / 7.3-6.9V(75%) / 6.9-6.4V(50%) / 6.4-6.0V(25%). Flashes 5s and shuts down below 6V.

  Protection Functions

Over-temperature, inflation timeout, data error, motor stall protection. Displays "U0/E0/E1/E2" warnings and auto-shuts down.

Recharging Ways

USB-C Charging

Supports USB-C port 5V, 2A input charging. Fully charged in about 3-3.5 hours. LED battery icon shows charging progress, stops flashing when full (8.2V).

Note: Use standard USB-C cable for stable charging. Avoid low-current chargers which may extend charging time.

Package Contents

YD03 Tire Inflator

Quantity: 1

Nozzle Adapters

Quantity: 1 Set

USB-C Charging Cable

Quantity: 1

User Manual

Quantity: 1

Inflator Tube

Quantity: 1

Recommended Pressure & Inflation Time

  Recommended Inflation Pressure

  Estimated Inflation Time

Warnings and Precautions

Before using this product, please comply with the following safety specifications:

1. This product is prohibited for children under 12 years old. Keep children at a safe distance during inflation.

2. Built-in non-detachable lithium battery: Do not throw into fire, expose to high temperature, or immerse in water. Avoid impact which may cause fire or explosion.

3. Storage temperature should not exceed 60°C (140°F). Overcooling or overheating may damage the battery.

4. Do not use continuously for more than 15 minutes. Allow 5-10 minutes rest to extend product life.

5. For balloons, toys, swimming rings: Confirm pressure requirements first, set correct value, and stop manually if needed.

6. After inflation, the air duct is hot. Be careful of burns when removing the nozzle. Slight air leakage is normal during disassembly.

7. Confirm pressure unit before setting. Incorrect unit selection may cause accidents like tire explosion.

8. Do not leave the inflator unattended during inflation. Turn off immediately if abnormal noise or overheating occurs.

9. Use in a dry, clean environment. Avoid sand, dust, or water ingress which may damage the product.

10. Do not disassemble the product. Contact the seller immediately if overheating, odor, deformation, or damage is found.

FAQS

Warranty and Contacts

We guarantee that the product will be free from defects in materials and workmanship under normal use. This statement constitutes the full and exclusive warranty obligations for the product.

  Warranty Period

The product comes with a 12-month free warranty and 12-month extended warranty, effective from the date of purchase. Please keep your purchase certificate to protect your warranty rights.

Warranty does not apply to:

1. Cosmetic damage caused by normal use.

2. Damage caused by user disassembly, modification, or improper repair.

3. Damage caused by intentional misuse or negligence.

4. Damage caused by force majeure (natural disasters, lightning, accidents, etc.).

5. Battery wear due to long-term use (battery is a consumable part).

  Contact Us

For warranty claims or technical support, please contact us via:

• Email:  lydia@purmarspower.com

• WhatsApp: +52 446 119 7035

• Phone: +86 189 0253 2976