120W Portable Electric Car Tire Inflator

Engineered for reliable inflation and multi-functional emergency readiness, this 120W Portable Electric Car Tire Inflator Air Compressor delivers a fast 25L/min airflow across a pressure range of 3 to 150 PSI (±1.5 PSI accuracy). Constructed from high-durability ABS material in an ultra-compact handheld form factor (70x50x155mm, 465g net weight / 650g package weight), this smart air pump makes inflating car tires, motorcycles, electric bikes, bicycles, sports balls, and pool inflatables fast and effortless.

Equipped with a crisp Digital Display screen and Smart Tire Pressure Monitoring with automatic stop, you can easily preset your target pressure with confidence—the pump automatically shuts off when full to prevent over-inflation. Integrated LED illumination and emergency warning lights ensure clear visibility and safety during nighttime roadside emergencies.

The ST-5521 series offers versatile model choices to suit your charging and power needs:

* ST-5521A Wired Model: Plugs directly into your vehicle’s 12V outlet via a 3-meter cigarette lighter power cable for steady, continuous inflation.

* ST-5521B Dual-Purpose Wireless Model: Combines an internal 2x2000mAh rechargeable lithium battery pack with Type-C fast charging and a 3-meter 12V vehicle cord backup for complete cordless freedom or wired power.

* ST-5521C Three-Purpose Wireless Model: Features internal rechargeable battery power, a 3-meter 12V vehicle cord backup, and USB reverse charging capability to function as an emergency power bank for mobile phones.

Complete with a 20cm flexible air hose, Type-C charging cable, 4-piece multi-purpose nozzle adapter kit, and user manual, this compact, feature-packed electric air pump is an essential emergency tool for safe driving, road trips, and everyday travel.