Black & Decker ASI300 Air Station Inflator - Electric Air Compressor

• Inflates lawnmower, bike, and vehicle tires, sports balls, and other items quickly and easily
• Space-saving, portable design
• EZ air dial for instant shut-off when correct air pressure has been reached
• Weighs 6.1 pounds; 2-year warranty
• Includes standard tire nozzle, needle inflator, and extension nozzle

I am pleased with this inflator so far. (I hedge a bit, given the reviews stating that the device has failed for other users. But that's what the warranty is for.) It is easy to use, effective, and convenient with its storage compartment for power cords and inflation hose. I especially like the automatic cutoff feature; I can turn it on and let it do its thing while I'm doing something else. I run my automobile tires at higher pressures than most (60 PSI), and it had no trouble with those. It takes a couple of minutes, of course, but that's to be expected -this is not a mechanic's air compressor, and I don't expect that level of performance. I haven't tried them on my higher pressure (90 PSI) bicycle tires yet.

Negatives that other reviewers have mentioned and my comments:

* Gauge readability: Yes, it's a little hard to discern small PSI increments on the gauge. But I never rely totally on any pump's or inflator's built-in gauge for my tires; I always verify with a good quality tire pressure gauge. The inflator's gauge and cut-off get me in the ballpark, and then I fine-tune using the tire pressure gauge. They are within 1 or 2 PSI of each other.

* AC power cord length: Not an issue. I likely would have to use an extension cord anyway. And the short power cord adds a bit to its portability -no fiddling with it or trying to store a long (and useless while traveling) power cord with the device as it sits in my trunk.

* Noise: No worse than any other inflator I've used.

* Small storage compartment for cords and hose: Not too much of a problem, though it might take a little practice to get them coiled up the right way. It's handy to have the compartment.

* Short inflation hose. No shorter than other inflators in this price range I've used. Plenty long enough to reach a valve stem at top dead center with the device on the ground next to the tire.

* Plastic connector that *might* break. I'll judge it if or when it actually breaks, not before.

* Having to cut the power switch off and then on again to run it after an automatic cutoff: Gimme a break, how big a deal is that??

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I have used it for about a week now. It is much better than the one I got from Walmart. The major issue I see is that the pressure gauge on this machine is rather small and it will be hard for you differentiate between 27psi versus 29psi without using an external gauge. My Toyota Camry calls for 29psi and my other car asks for 34psi front and 36psi rear. It was impossible for me to read 34 vs 36 psi on this machine's gauge.

Tip: To get the best out of this machine get a good external mechanical pressure gauge with a relief valve (you can get a decent one for under $10 at Walmart). Then set the dial on this machine to be slightly over (2-3 psi more) the pressure required (I set it to 30psi when filling my Camry which needs 29 psi). Fill the tires with air using the machine. Then use the external gauge to measure the pressure and release the air using its relief valve until the pressure is at the desired reading. Works like a charm for me.

Other than this, the machine is quite nice and with a 2 year warranty it is a good buy. Amazon's price was amongst the lowest I could find.

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Overall works pretty well.

Positives:

All hoses and wires and adaptors store inside the unit, for neatness.

built-in handle is nice

long 12V auto power cord

two-year warranty

Negatives:

When it stops automatically after inflating one item (such as a tire), it must be turned off and back on to inflate another item, or to increase pressure setting and continue filling.

the AC power cord is extremely short. Pretty much requires an extension cord.

the air hose is fairly short.

The noise it makes is quite loud, though not as loud as some I've heard.

fitting the cords and hose back into the storage compartment is not easy.

the valve adapter is plastic, not metal, and doesn't seem sturdy. It works so far, however.

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Overall, I like this inflator. As is typical with about anything, it has strengths and weaknesses. The strengths:

Once set, I verified with a digital tire gauge that the built-in pressure gauge is accurate to