Light Duty GOYOJO
GOYOJO AC-2
4,500 PSI max · Fan-cooled (automatic fan)
12 lb manual-stop portable, 4500 PSI, with a switchable 110V/220V converter plus a 12V car cable.
Compressors / By Price
PCP Compressors From $200 to $300
Better portables: more of them add auto-stop, built-in converters and digital displays. Ranges are approximate; Amazon prices change often, so check the current price before you buy.
12 compressors
Narrow it down further → Light Duty 
Light Duty VEVOR
VEVOR 4500 PSI 600W Converter, Auto-Stop
4,500 PSI max · Fan-cooled
The bigger-converter version of VEVOR's portable: 600W, 4500 PSI, auto-stop, 12V or 120V. Rated to fill a 1L tank in about 25 minutes.
Light Duty Tuxing
Tuxing TXET063 LCD Auto-Stop
4,500 PSI max · Fan-cooled
Tuxing TXET063: LCD display, auto-stop, 22 lb, 110V. A steady seller (50+ a month). Fills a 0.5L tank in about 15 minutes.
Light Duty Tuxing
Tuxing TXET063-1 LCD Auto-Stop
4,500 PSI max · Fan-cooled
350W portable with an LCD that shows pressure and temperature, programmable auto-stop, and a built-in transformer for 12V or 110V/220V.
Light Duty GX Pump
GX Pump CS1-I
4,500 PSI max · Fan-cooled
Compact fan-cooled 4500 PSI unit with a built-in power adapter. Runs on 12V, 110V or 220V. Made for filling airguns directly.
Light Duty VEVOR
VEVOR 800W Dual-Cylinder
4,500 PSI max · Fan-cooled
Two cylinders, 800W, 120V. 4500 PSI with auto-stop, and VEVOR's fastest fan-cooled portable on paper.
Light Duty VEVOR
VEVOR 4500 PSI Water + Fan Cooled, Auto-Stop
4,500 PSI max · Water + fan cooled (coolant tank on top)
VEVOR's portable with a coolant tank on top plus a 12,500 rpm fan. 4500 PSI, auto-stop, 600W converter, 12V or 120V.
Light Duty Generic
PORTAIR PA1500L
4,500 PSI max · Fan-cooled (air fan only)
250W portable with set-pressure auto-stop, oil/water filter, and an external 12V converter for 110V/220V. Detailed error codes. 19.8 lb.
Medium Duty Yong Heng
Yong Heng LCD Auto-Stop
4,500 PSI max · Water-cooled (external bucket)
The classic Yong Heng design with an LCD gauge and auto-stop. 110V, two-stage, fast, but it needs an external bucket of cooling water.
Light Duty Tuxing
Tuxing 800W Dual-Cylinder
4,500 PSI max · Fan-cooled
Two cylinders, 800W, 120V, auto-stop, fan-cooled. Same specs as VEVOR's 800W dual-cylinder.
Light Duty Tuxing
Tuxing 800W Dual-Cylinder (Scuba Listing)
4,500 PSI max · Fan-cooled
The same 800W dual-cylinder machine under a scuba-focused listing. Tuxing claims about 11 minutes for a 1L tank on this one.
Light Duty GX Pump
GX Pump CS2
4,500 PSI max · Fan-cooled
12V fan-cooled 4500 PSI compressor with a 110V converter in the box. Manual shutoff: no auto-stop.