All-TOP 12V Air Compressor w/LCD Control Panel to Preset Target Pressure, 150PSI 12.35CFM Air Pump Inflator for Overland (Dual Cylinder)

Great compressor, tyres dropped to 18 PSI for sand dunes. All 4 tyres inflated back 35 PSI within 7mins. Solid build quality, its a beast and had now issues with my F150

This pump is by far the best portable pump on the market. The inflation speed, digital read-out and auto shut off are the nice features to have after getting off the trail. The air line can easily reach all four tires and it fits nicely in the back of the jeep.... BEWARE....Like all air pumps, it does get HOT after use, so be careful when storing it before it cools down. Thank you "ALL-Top" for making a quality product !!!

Excellent solid compressor It took 45 seconds to inflat a tire 275/65/17 from 14 to 29 psi

It is WAAAAY faster than your average $20 inflator made mostly of plastic, and this thing is built like a tank. I've only used it a few times, the most strenuous was taking two 34" tires from 25-30psi to 58psi or so. Obviously things go faster on the low end, but the upper end ain't no slouch either. I can see the weight/size of it being inconvenient for some people, but am fairly certain anyone bothering to look for this class of inflator is not the sort who would be bothered by such things. You'll probably be more bothered by the pressure gauge/shutoff, which was fairly spot on when I did some testing. Later, when I didn't have a physical air gauge, I let it go through the paces and it ALWAYS buzzes one of the longer cycles near the cutoff, takes a break, then gives it one more fart and stops. Watching the numbers and barely paying attention to the runtime, something seemed a little off. Yoinked the hose off the valve stem, put it back -- dead on same reading. Yoinked the power, yoinked the hose, clamped 'em both back on and it read a few PSI higher. Well, I know how uptight some people are about things needing to be precise, so I was just putting this out there. We all get it. Pressure gauges/switches ain't rocket science, and at this price you'd expect better. Well, I don't. The pressure switch probably using a piezo crystal, pressure is measured close to the air source which is subjected to massive temperature change, and the air hose has a fairly small internal diameter. That's a lot of moving parts (not really, but really) over a fairly long distance, and the electronics can only make a calculated guess. It doesn't know air temperature, tire size, skull thickness, etc. Maybe it under inflates a hair, maybe it over inflates a hair. Whatever. The shutoff feature is there to keep things safe in case you need to step away for a minute. If you want an inflator that shuts off accurately within 0.1 PSI, get a wimpy one that takes 30 seconds or more to put 0.1 PSI in. That way you can go in the house and make a sandwich while you wait, because you get grumpy when you're hungry. Alternately, get this thing plus a deflator attachment and a good pressure gauge. Heck, the pressure gauge is essential anyhow as you'll want to occasionally check this thing's calibration. For me, this thing delivered exactly what was desired: it made the tire round and self shutoff at close the f enough. This was the more than I ever thought I'd spend on an inflator, but far less than I've wasted over the years on crappy ones. Money well spent.

I use my class-C RV offroad on sand and air down to 15psi on average. Getting back to 80/65 psi on 6 tires is a lot of work. A friend started the same time i did on their rig with a generator and pancake 110v home compressor. The gauge is way off. I had to to to about 95psi to get to 80 using my trusted digital pressure handheld gauge and a manual/analog dial gauge. It's consistent. I waved at them as we left and they were still on their last tire. So, it's pretty fast. Alligator clips, so it's not an ideal connection. Wish there was a version that came with an Anderson/XT90 or other connector that can take the amp load to quick connect. I just got the 4-way hose kit. Looking forward to being even faster next time i use it with easier setup. Nice quality parts.