# 7.4V Wireless Portable Electric Air Pump for Cars
【Product Name】：7.4V Wireless Air Pump
【Product Model】：
【ST-5509B】Wireless Air Pump - Digital Display, approx. 560g
【ST-5509D】Wireless Air Pump - Digital Display + USB + DC, approx. 660g
【Product Material】：PP
【Dimensions】：177*77*57mm
【Battery Capacity】：2 x 1500mAh Lithium Batteries - LCD Display
【Operating Voltage】：7.4V
【Rated Input】：5V1A
【Piston Diameter】：19mm
【Rated Power】：60-80W
【Pressure Range】：Pressure: 3-150PSI
【Accuracy】：±1.5psi
【Airflow】：19L / min
【Continuous Working Time】8-10 min
【Time】: Working time when the lithium battery is fully charged: Approximately 20 minutes. A full charge can inflate 2 tires.
195/65R15 0~30 psi Inflation time: 8-9 min
【Type-C Charging Cable】: Approximately 50mm
【Charging Time】: 3-5 hours
【Charging Interface】: Type-C
【Box Dimensions】: 204*152*78mm
【Operating Temperature】: -20℃~60℃
## Usage and Maintenance Instructions: Preset the tire pressure before connecting the valve. Do not use continuously for more than 10 minutes at a time to avoid overheating. Do not overcharge for extended periods with Type-C charging. After use, clean the valve and store in a dry, room-temperature place. Avoid high-temperature exposure to prevent battery damage.
Item: VQ702H05
