Definitely not. This has the pressure but is very low volume and would not work well to blow out sprinklers.
Very fast and I'm sure it can
Most modern portable air compressors will have a built in filter, not easily replaced but I'm sure that Dewalt can advise you as to the expected life of the filter and whether or not you could do a filter replacement. I would pose this question to them directly: https://www.dewalt.com/support
Yes, I run all my tools with these batteries.
Not owning a pool, I would be guessing. However, it could theoretically work on any line with a diameter less than 1" with the appropriate adaptor but would depend on the length of the line and the amount of time you would spend doing it with this compressor. You might run out of battery charge before you could finish.
I don't think I would try painting a car with this compressor, however I would pose this question to Dewalt: https://www.dewalt.com/support
Yes, I bought it partially for that reason as auto SUP pump reviews are really bad, fail fast from overheating, and they cost about half as much as a pro tool like this which will last much longer (which I needed anyway for future nail gun and painting purposes). Dewalt does sell a cheaper air compressor but it can stay on only 10 min then needs 20 min cool down. For this, you need an compressor SUP adapter and gun with gauge, which can find on amazon. If you have multiple boards, I’d hand pump a large volume of air (5 PSI) first, then use this for the harder next 10 PSI, which lets the compressor refill between boards. Test your gun gauge against the hand pump to see where 15 PSI is and mark it (cheap compressor guns PSI are often 5 PSI or more off). Note that this drains a full battery fast (as in 15-20 min compressor activating). You may get 3 boards on a charge If hand pump the first 5 PSI, but I’d bring 2 batteries if you have another.
It doesn't work well a frame nailer use to much air at each shot. I wouldn't recommend It.
We sure haven't had any problems using them on our tools for over a year