Light Duty GX Pump
GX Pump CS1-I
4,500 PSI max · Fan-cooled
12V120V220V Auto-stop
Compact fan-cooled 4500 PSI unit with a built-in power adapter. Runs on 12V, 110V or 220V. Made for filling airguns directly.
GX Pump L2
Cordless 18V battery compressor, 4500 PSI. About 30 to 35 minutes per charge. Manual shutoff: no auto-stop.
Overview
The L2 runs on one 18V 5.2Ah lithium battery (included with a charger). It takes standard 18V packs of the same type, so a spare battery is easy to find. GX sells a 110V-to-18V converter separately if you want to run it from the wall. One charge runs about 30 to 35 minutes. GX says that's enough to fill a 0.5L tank from 1000 to 3000 PSI about 8 times. It has a 250W motor, reaches 4500 PSI (300 bar), runs oil-free with fan cooling, and has a moisture filter on the hose near the gauge. It weighs 6.53 kg (about 14.4 lb), light enough to carry to a tree stand or field blind. Important: the L2 is the manual-shutdown version. It cannot be set to stop at a target pressure, so watch the gauge. GX designed it for reservoirs under 60 cubic inches and recommends against filling anything over 1L. Output is M10x1 with an 8mm quick connector.
"Airguns only. A cordless top-off machine for the field. No auto-stop, so stay with it. If you want auto-stop on battery power, look at the L3."
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GX Pump CS2
4,500 PSI max · Fan-cooled
12V120V Manual stop
12V fan-cooled 4500 PSI compressor with a 110V converter in the box. Manual shutoff: no auto-stop.
Light Duty GX Pump
GX Pump CS3
4,500 PSI max · Fan-cooled
12V120V Auto-stop
12V fan-cooled 4500 PSI compressor with auto-stop and a built-in oil/water separator. 110V converter included.