AVID POWER Cordless Tire Inflator Portable Air Compressor 20V Battery Pump

Why it's worth it

This one arrives with its own 20V battery and a 12V car adapter, so there's nothing else to order. It's accurate enough for car and motorcycle tires, and it costs a fraction of what the name-brand tool-only inflators do once you add a battery.

If you don't own power tools, this is the one that makes sense. The DEWALT and the Milwaukee both assume you already have their batteries. This one doesn't assume anything — battery, charger, and a 12V car adapter are all included. For a two-car household that just wants to stop visiting gas station pumps, that's the entire decision right there.

It's quick enough for the job it's meant for. The specs put a standard 195/60 R14 tire from flat to 36 PSI in under three minutes, and a larger 215/60 R16 in under five. One full charge covers roughly four small tires or three midsize ones from flat, which is more than you'll ever need for a monthly top-off. Owners who switched from tiny glovebox pumps describe the difference as dramatic.

From our review of 8 garage tire inflators, by Genevieve Dubois, Home & Living Expert

What we like

• +If you don't own power tools, this is the one that makes sense
• +It's quick enough for the job it's meant for
• +The display reads in PSI, BAR, KPA, and KG/CM, which matters more than it sounds if you own a European motorcycle or a bike with…
• +The 12V adapter deserves its own mention

What to know

• –Accuracy is specified at ±2 PSI rather than the ±1 PSI the DEWALT and Milwaukee claim
• –The battery is proprietary
• –It's the least consistently praised of our picks