Which portable air compressor pump offers the fastest inflation speed?

The Milwaukee M18 Compact Inflator 2848-20 is a battery-powered cordless tire inflator delivering up to 150 PSI with TrueFill auto-pressure check, auto shut-off, PSI memory presets, and onboard hose/nozzle storage. It's optimized for passenger, light truck, and medium-duty tires and is designed for fast, accurate inflation on the go.

Handheld, drill-style cordless tire inflator with a 20V rechargeable battery and 12V car-adapter backup, digital pressure gauge, auto shut-off, LED light and multiple nozzle adapters. Offers up to 50 PSI and a stated flow rate of 28 L/min for fast inflation of car tires, bikes and inflatables. Suited for roadside use and quick top-ups rather than heavy commercial work.

Cordless 20V MAX inflator (tool only) that also runs from 12V DC or 110V AC, features digital gauge, auto-shutoff, high-pressure and high-volume modes, onboard accessory storage and LED light; lightweight and designed for tires, sports gear and inflatables. Suits users who want a versatile, portable inflator that works on-jobsite or on-the-go.

The Fanttik X8 APEX is a compact cordless tire inflator with a max pressure of 150 PSI, an internal rechargeable battery (around 28.86Wh), a built-in LED light and USB power output for charging devices. It's lightweight and designed for cars, e-bikes, motorcycles and sports equipment, with a 13in air hose and digital display for preset pressures.