Portable Tire Inflator
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Portable Tire Inflator

RT-502 Mini Vehicle-Mounted Portable Tire Inflator

The RT-502 Mini Portable Vehicle-Mounted Air Pump is an intelligent, all-in-one device that combines precise tire pressure detection, rapid inflation, multiple inflation modes, and emergency rescue capabilities. Featuring a built-in high-precision pressure sensor, it monitors tire pressure in real-time and automatically shuts off once inflation is complete—preventing over-inflation and ensuring safety. With an inflation pressure range of 0.35–10.3 Bar (5–15 PSI) and an inflation speed of approximately 19 liters per minute, it makes tire inflation highly efficient and is ideal for daily use by vehicle owners. Integrated LED lighting and an SOS warning function enhance operational convenience at night while boosting safety during emergency situations. The device supports Type-C charging and offers selectable battery capacities of 1,500mAh, 1,800mAh, or 2,000mAh to ensure extended usage, while also featuring multiple safety protections against overcharging, short circuits, and more. Compact and portable, it is suitable for a wide variety of scenarios, effortlessly handling the inflation needs of car tires, motorcycle tires, basketballs, and other items.
Included Accessories: 4-piece nozzle set, inflation hose, charging cable, storage pouch.

Technical Parameters
Product Parameters

Battery Capacity

18650 1,500mAh*2 / 1,800mAh*2 / 2,000mAh*2

Cylinder Bore Diameter

19mm

Working Volt

7.4V

Input

Type-C 5V / 1A

USB Output

5V / 2A

Power

50W

Inflation Pressure Range

0.35-10.3 Bar / 5-15 PSI

Air inflation Volume

Approx. 19L/Min

Measuring Error

±1 PSI

Operating Temp.

-20℃~60℃

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About Us
Ningbo Rongteng Auto Accessories Co.,Ltd.

Ningbo Rongteng Auto Accessories Co., Ltd., as an influential professional manufacturer in the industry, has been deeply engaged in the field of automobile products, such as vehicle tire inflators, vehicle vacuum cleaners, and automotive tool sets, integrating research and development, production, and sales. The company is located in Yuyao City, Zhejiang Province, enjoying a unique geographical advantage. Adjacent to the Eastern Port of Ningbo, it is deeply integrated into the 2-hour traffic and economic circle of the Yangtze River Delta. The efficient and convenient logistics and transportation lay a solid foundation for the rapid distribution of products to domestic and foreign markets.

The company has established a complete and professional production system, with independent research and development departments, modern injection molding workshops, standardized packaging workshops, and advanced testing equipment, forming an intelligent production line covering the entire process. With strong innovation capabilities and technical strength, the company has successfully launched a number of best-selling products and won a number of domestic and foreign patent certifications. Its technical level and product competitiveness have always been at the forefront of the industry. All products have passed the CQC certification of the National Quality and Technical Supervision Administration, as well as the authoritative certifications of CE in the European Union and FCC in North America. The products are of excellent and reliable quality, fully meeting the strict quality standards of the global market.

Over the years, Rongteng has always taken "becoming a leader in the industry" as its development vision and continuously increased investment in technology research and development and product innovation. With excellent product quality and a complete service system, it has established a good brand image and market reputation in domestic and foreign automobile supplies markets, e-commerce platforms, the gift industry, as well as in major banks, insurance companies, automobile 4S stores and other fields. In the future, Rongteng sincerely invites partners from all walks of life to visit and guide, and we look forward to working together to create new glories in the automobile supplies industry!

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