A strong air-rifle compressor should reach the rifle’s required fill pressure, connect to its filling setup, and suit where you plan to refill. These ten portable PCP models list maximum pressures up to 4500 PSI, with options for home AC power, 12V vehicle power, or both. Several include automatic shutoff, while others rely on manual stopping, so the control style matters as much as the headline pressure.
Tank capacity and filling limits also vary: some models are specified for 0.5-liter tanks, while others list larger capacities or do not state a comparable limit. The picks below prioritize air-rifle fit, useful pressure and power details, and practical controls.
Check your rifle’s fill requirements and the compressor’s stated tank compatibility before choosing.
The GOYOJO AIR4500 is the best overall choice because it is explicitly intended for PCP airguns, reaches 4500 PSI, and offers both 12V DC and 120V AC power. Its stated airflow is 6.8 liters per minute, and verified fill guidance gives about 15 minutes for a 0.5-liter tank from empty to 3000 PSI. It also includes an auto-shutoff feature, making it a versatile pick for home or vehicle use.
Our Top Picks
Best OverallMade for PCP airguns, it reaches 4500 PSI, supports 12V DC and 120V AC, and lists auto-shutoff and 6.8 liters-per-minute airflow.
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Best Auto-StopThis air-rifle-specific model reaches 4500 PSI, supports DC and AC power, and adds preset-pressure shutoff and temperature protection.
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Airgun-SpecificDesigned specifically for PCP air rifles, it reaches 4500 PSI and has a programmable digital readout, oil-free design, and 12V DC power.
View on Amazon- Best LCD Display Greteefor PCPKYJ-03
- Lightest Listed SDKEHUI PCP Compressor
Compare PCP Compressor Features and Fit
| # | Product | Voltage | Capacity | Material Type | Buy |
|---|---|---|---|---|---|
| 1 | 1. GOYOJO AIR4500Best Overall | 120 V AC | 1000 cubic centimeters | Alloy Steel | View on Amazon |
| 2 | 2. Greteefor PCPKYJ-02Best Auto-Stop | 110 V AC | 1 liters | — | View on Amazon |
| 3 | 3. Umarex ReadyAir Gen 2Airgun-Specific | 12 V DC | 24 cubic in | Multi | View on Amazon |
| 4 | 4. Greteefor PCPKYJ-03Best LCD Display | 120 V | 1.5 liters | — | View on Amazon |
| 5 | 5. SDKEHUI PCP CompressorLightest Listed | 110 V AC | 0.5 liters | Metal | View on Amazon |
| 6 | 6. SMACO ShoeBox-1AOil-free auto-stop range refills | — | 0.5 liters | Aluminum | View on Amazon |
| 7 | 7. GX Pump CS2Quick-fill 1L-capacity PCP pump | 12 V | 1 liters | — | View on Amazon |
| 8 | 8. GEKUVIX CS-WZ BlackSimple dual-power 0.5L refills | 110 V | 0.5 liters | Metal | View on Amazon |
| 9 | 9. GEKUVIX CS-WZ OrangeTimed 0.5L airgun refills | 110 V | 30 cubic in | Metal | View on Amazon |
| 10 | 10. FUJAOPS PCP CompressorBrushless dual-power airgun pump | — | 1.06 quarts | Stainless Steel | View on Amazon |
Detailed Reviews: Best Air Compressor For Air Rifle

#1 · Best Overall
1. GOYOJO AIR4500
- Voltage: 120 V AC
- Capacity: 1000 cubic centimeters
- Material Type: Alloy Steel
Best for: Dual-power beginner airgun refills.
Why it ranks #1: Made for PCP airguns, it reaches 4500 PSI, supports 12V DC and 120V AC, and lists auto-shutoff and 6.8 liters-per-minute airflow.
Its included 12V DC and 120V AC cables let the GOYOJO AIR4500 move between a vehicle and a home outlet, so airgun owners can refill in either setting. The 4500 PSI rating and automatic shut-off give this entry-level compressor a straightforward setup for small high-pressure gear.
For a 0.5L tank, the supplied estimate is about 15 minutes from empty to 3000 PSI; smaller 0.2–0.3L tanks are listed at 6–9 minutes. The 6.8-liter-per-minute airflow and 300W rating provide useful context for planning refill time, while the auto shut-off reduces the need to watch the pressure continuously. A built-in cooling fan and dual-power cables support use at home or on an outing, and the 18-pound weight is worth considering for transport.
- Automatic shut-off
- 12V DC and 120V AC power cables included
- Built-in cooling fan
- About 15 minutes for a 0.5L tank from 0 to 3000 PSI
- At 18 pounds, it is heavier than the listed 11.1-pound SDKEHUI compressor.
Skip it if you need the lightest listed unit to carry regularly; the 11.1-pound SDKEHUI is lighter.
For a new PCP airgun owner who wants both vehicle and household power, the GOYOJO offers a clear, small-tank refill routine. Account for its 18-pound weight if you expect frequent carrying between locations.
Full product details
| Brand | GOYOJO |
|---|---|
| Air Flow Capacity | 6.8 liters per minute |
| Capacity | 1000 cubic centimeters |
| Color | Orange |
| Compatible Hose Diameter | 8 millimeters |
| Included Components | 12V DC + 120V AC cables, Air Hose, Compressor unit, User Manual |
| Dimensions | 11"L x 8.66"W x 4.92"H |
| Item Weight | 18 pounds |
| Manufacturer | GOYOJO |
| Manufacturer Warranty Description | 1 Year |
| Material | Alloy Steel |
| Model | AIR4500 |
| Model Number | AIR4500 |
| Recommended Uses | HPA Tanks, Mini Scuba Tank, PCP Airgun, Paintball Gear |
| Style | Horizontal |
| Voltage | 120 volts_of_alternating_current |
| Additional Information | Important Information Wattage 300 watts Bulb Voltage 120 volts_of_alternating_current |

#2 · Best Auto-Stop
2. Greteefor PCPKYJ-02
- Voltage: 110 V AC
- Capacity: 1 liters
Best for: Auto-stop compact tank refills.
Why it ranks #2: This air-rifle-specific model reaches 4500 PSI, supports DC and AC power, and adds preset-pressure shutoff and temperature protection.
A built-in 600W power module removes the need for a separate power brick, while preset-pressure auto shut-off stops the Greteefor PCPKYJ-02 when the target is reached. Its 12V DC and 115V/230V AC support makes it adaptable to garage, range, or field use.
Greteefor lists a 1-liter capacity and gives practical fill estimates: about 12–15 minutes for a 0.5L tank from 0 to 3000 PSI, and 5–8 minutes for 0.2–0.3L tanks, depending on starting pressure and volume. Those figures help plan airgun sessions rather than guess at refill intervals. Temperature monitoring and automatic high-temperature or extended-operation shutdown add operating safeguards, while the 16-pound weight and 12-inch length matter when packing it for field use.
- Built-in 600W power module
- Preset-pressure auto shut-off
- Temperature monitoring and automatic high-temperature shutdown
- Listed 1-liter capacity with fill-time estimates
- At 16 pounds, it is heavier than the 11.1-pound SDKEHUI compressor.
Skip it if you prioritize lower carry weight above a 1-liter capacity; the 11.1-pound SDKEHUI is lighter.
This Greteefor is a strong fit for PCP owners who want auto-stop, thermal monitoring, and stated fill-time guidance. Consider its 16-pound weight and 12-inch length if you will regularly transport it to a range.
Full product details
| Brand | Greteefor |
|---|---|
| Capacity | 1 liters |
| Color | Orange |
| Included Components | PCP Air Compressor |
| Dimensions | 12"L x 8.7"W x 5.71"H |
| Item Weight | 16 pounds |
| Manufacturer | Greteefor |
| Part Number | PCPKYJ-02 |
| Model | PCP Air Compressor 02 |
| Model Number | PCPKYJ-02 |
| Recommended Uses | for Air Rifle, Paintball, HPA Tanks |
| Special Feature | AC & DC Adaptable |
| Style | CS6-Base |
| Voltage | 110 volts_of_alternating_current |
| Additional Information | Important Information Bulb Voltage 110 volts_of_alternating_current |

#3 · Airgun-Specific
3. Umarex ReadyAir Gen 2
- Voltage: 12 V DC
- Capacity: 24 cubic in
- Material Type: Multi
Best for: Airgun-specific programmable refills.
Why it ranks #3: Designed specifically for PCP air rifles, it reaches 4500 PSI and has a programmable digital readout, oil-free design, and 12V DC power.
The Umarex ReadyAIR Gen 2 pairs a programmable digital read-out with a 4500 PSI maximum, giving PCP rifle owners a more specific display-led filling setup. Its smaller footprint and lighter-weight construction target portable use, and 12V DC power allows connection directly to a vehicle battery while afield.
Unlike compressors described for broad tank uses, Umarex specifically recommends the ReadyAIR Gen 2 for filling PCP air rifles, making its intended role clear. The oil-free design removes oil from the operating routine, while the programmable digital read-out offers a way to manage fill settings. Its 24-cubic-inch capacity is important when matching it to an airgun setup, and the listed 12V DC power suits vehicle-based use. The supplied information does not list AC power, so plan around a vehicle battery rather than assuming a home outlet connection.
- 4500 PSI maximum pressure
- Programmable digital read-out
- Oil-free design
- 12V DC vehicle-battery power
- Listed power is 12V DC, with no AC power option specified.
Skip it if you need household AC power as well as vehicle power; GOYOJO AIR4500 includes 120V AC and 12V DC cables.
The ReadyAIR Gen 2 fits PCP rifle owners who prioritize an airgun-specific, programmable portable pump and can power it from a vehicle battery. Its 24-cubic-inch capacity and listed 12V DC supply are key fit considerations.
Full product details
| Brand | Umarex |
|---|---|
| Capacity | 24 cubic inches |
| Color | Multi |
| Included Components | Air Compressor |
| Manufacturer | Umarex USA |
| Part Number | 2211385 |
| Manufacturer Warranty Description | Manufacturer |
| Material | Multi |
| Model | ReadyAir Gen 2 |
| Model Number | 2211385 |
| Recommended Uses | Filling PCP air rifles |
| Style | Portable, Airgun-Specific, Dual Power Source |
| Voltage | 12 volts_of_direct_current |
| Additional Information | Important Information Bulb Voltage 12 volts_of_direct_current |
Listed on Amazon as: Umarex ReadyAIR Gen 2 Portable High Pressure Air Compressor Pump for PCP Air Rifles and Airguns
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#4 · Best LCD Display
4. Greteefor PCPKYJ-03
- Voltage: 120 V
- Capacity: 1.5 liters
Best for: LCD-guided dual-power filling.
Why it ranks #4: Its 4500 PSI rating, 350W motor, LCD display, auto-stop, and built-in adapter suit air-rifle users seeking visible controls and dual-power flexibility.
A smart LCD display makes pressure control visible on the Greteefor PCP compressor, while auto-stop ends a fill at the chosen pressure. Its built-in 600W adapter supports the listed 12V DC and 110V/220V AC power options, enabling use at home or on a range trip without a separate adapter.
The 350W motor and upgraded cooling fans are specified alongside a 4500 PSI maximum, giving airgun owners the core high-pressure capability and cooling provisions for filling. Its 1.5-liter listed capacity exceeds the 0.5-liter capacities shown for several compact options, which may suit buyers with more capacity needs. The LCD helps monitor settings during operation, and auto-stop limits hands-on attention once the target is reached. At 16 pounds and 11 by 10 by 7 inches, plan storage and transport accordingly.
- Smart LCD display
- Automatic pressure shut-off
- Built-in 600W adapter with 12V DC and AC power options
- Listed 1.5-liter capacity
- At 16 pounds, it is less convenient to carry than the 11.1-pound SDKEHUI.
Skip it if you want the lightest listed compressor for frequent carrying; the 11.1-pound SDKEHUI is lighter.
Choose this Greteefor for airgun owners who value an LCD, auto-stop, and the listed 1.5-liter capacity. Its 16-pound weight and 11-by-10-inch footprint make it a better fit where storage and carrying are manageable.
Full product details
| Brand | Greteefor |
|---|---|
| Capacity | 1.5 liters |
| Color | Orange |
| Included Components | PCP Air Compressor |
| Dimensions | 11"L x 10"W x 7"H |
| Item Weight | 16 pounds |
| Manufacturer | Greteefor |
| Model | PCP Air Compressor 03 |
| Model Number | PCPKYJ-03 |
| Recommended Uses | Ball Inflation |
| Style | CS7-LCD |
| Voltage | 120 volts |
| Additional Information | Important Information Wattage 350 watts Bulb Voltage 120 volts |

#5 · Lightest Listed
5. SDKEHUI PCP Compressor
- Voltage: 110 V AC
- Capacity: 0.5 liters
- Material Type: Metal
Best for: Manual-control compact field pump.
Why it ranks #5: At 11.1 pounds, this oil- and water-free 4500 PSI compressor supports 12V DC and 110V AC and includes a transformer.
At 11.1 pounds and under eight inches long, the SDKEHUI combines a compact footprint with 12V car-battery and 110V outlet power for portable PCP refills. Its manual-stop operation gives the user direct control over ending the fill, while the display shows pressure and temperature.
The 4500 PSI maximum and high-performance fan support high-pressure filling with cooling built in, and the oil- and water-free operation avoids oil changes and a separate water-cooling setup. A setting-pressure display and temperature LED screen keep those readings visible while you operate the manual stop. The external transformer and included 8mm quick connector help establish the power and hose connections. Its 0.5-liter capacity makes it a more natural match for smaller tanks than for large-volume filling.
- 11.1-pound weight and compact listed dimensions
- 12V DC and 110V AC power options
- Pressure display and temperature LED screen
- Oil- and water-free operation with fan cooling
- Manual-stop operation requires you to stop the fill rather than relying on auto-shutoff.
Skip it if you want automatic stopping at a preset pressure; the GOYOJO AIR4500 lists auto shut-off.
This SDKEHUI fits PCP owners who want a compact, dual-power pump and prefer manual control with pressure and temperature visible. Its 0.5-liter capacity and hands-on stopping make it less suited to unattended filling or larger tanks.
Full product details
| Brand | SDKEHUI |
|---|---|
| Capacity | 0.5 liters |
| Included Components | 1 x 8MM quick connector, 1 x Accessory Kit, 1 x PCP Air Compressor, 1 x Transformer |
| Dimensions | 7.87"L x 6.69"W x 4.92"H |
| Item Weight | 11.1 pounds |
| Manufacturer | globalmachine-shop |
| Manufacturer Warranty Description | 2 Year Manufacturer |
| Material | Metal |
| Model | PCP air compressor |
| Model Number | Air Compressor |
| Recommended Uses | Cutting, Spraying, Tire Inflation, Toy Inflation |
| Style | Reciprocating, Portable, Dual Power Source (Ac/Dc), High Performance Cooling |
| Voltage | 110 volts_of_alternating_current |
| Additional Information | Important Information Wattage 300 watts Bulb Voltage 110 volts_of_alternating_current |

#6
6. SMACO ShoeBox-1A
- Capacity: 0.5 liters
- Material Type: Aluminum
Best for: Oil-free auto-stop range refills.
Why it ranks #6: It offers 4500 PSI, oil-free operation, automatic shutoff, and AC/DC adaptability; its maker advises against filling tanks of 1 liter or larger.
The SMACO pairs an oil-free pump with a set-pressure auto-stop, letting PCP and paintball users end a fill automatically without adding oil to the routine. Its built-in power converter supports a 12V car battery or 110V/220V AC outlet, giving it flexibility across a garage, range, or field setup.
The 0.5-liter capacity is the clearest fit for smaller airgun and paintball tanks; SMACO says a 1L tank is technically fillable but not recommended. The supplied oil-water separator and spare filter provide included filtration parts, and the filter cartridge is recommended for replacement every 300 minutes of running time. That maintenance interval matters for frequent users. Auto-stop at the chosen pressure simplifies operation, while the built-in converter avoids a separate power adapter.
- Oil-free pump
- Set-pressure automatic shut-off
- 12V car battery and 110V/220V AC power options
- Oil-water separator and spare filter included
- The manufacturer does not recommend filling tanks of 1L or larger.
Skip it if you regularly fill 1L or larger tanks; Greteefor PCPKYJ-02 lists a 1-liter capacity.
The SMACO suits PCP or paintball owners who prioritize oil-free operation, automatic stopping, and flexible power for smaller tanks. Its 0.5-liter capacity and explicit caution about 1L fills set a practical limit for larger-tank workflows.
Full product details
| Brand | SMACO |
|---|---|
| Capacity | 0.5 liters |
| Color | Yellow |
| Included Components | Compressor, oil-water separator, spare filter |
| Manufacturer | SMACO |
| Part Number | Shoe Box-1A |
| Manufacturer Warranty Description | 1 year |
| Material | Aluminum |
| Model | Shoebox |
| Model Number | Shoe Box-1A |
| Special Feature | AC & DC Adaptable, Automatic Shut-Off, Oil-Free Pump, Portable, Quick Inflation |
| Additional Information | Important Information Wattage 350 watts |
Listed on Amazon as: SMACO PCP Air Compressor 4500Psi, Auto-Stop, Oil-Free, 350W Motor
View on AmazonWhy it ranks #7: This 4500 PSI PCP compressor lists 8 liters per minute of airflow and a 1-liter capacity, but its listed voltage is 12V.
The GX-E-CS2 lists 8 liters per minute of airflow and a 1-liter capacity, giving airgun owners a clear combination for planning tank refills. Its 4500 PSI/30 MPa rating and 12V supply make it a high-pressure portable option for PCP and paintball use where vehicle power is available.
GX lists 250W and 8 liters per minute, specifications that help buyers judge the pump’s output and plan a refill workflow. The 1-liter capacity offers a larger stated volume than the 0.5-liter options in this group, while the 12V power supply and included converter support vehicle-based operation. GX also describes patented roller bearings at both ends of the connecting rod, explaining that they reduce rod and wrist-pin wear. At 6.7kg, it is not a negligible load for regular carrying.
- 4500 PSI/30 MPa maximum pressure
- 8 liters per minute airflow listed
- 1-liter capacity
- Patented roller-bearing connecting-rod design
- At 6.7kg, it weighs more than the 11.1-pound SDKEHUI compressor.
Skip it if you need household AC power listed as a direct option; the Umarex ReadyAIR Gen 2 specifies 12V DC for vehicle use.
The GX-E-CS2 suits PCP and paintball owners who value a listed 1-liter capacity, airflow figure, and connecting-rod wear detail. Its 6.7kg weight and 12V supply make carrying and power-source planning important.
Full product details
| Brand | GX pump |
|---|---|
| Air Flow Capacity | 8 liters per minute |
| Capacity | 1 liters |
| Color | Red/Black |
| Included Components | compressor, 12v converter,user manual, accessory bag |
| Dimensions | 8.46"L x 4.92"W x 9.64"H |
| Item Weight | 6.7 kg |
| Manufacturer | GX |
| Part Number | GX-E-CS2 |
| Model | CS2 |
| Model Number | GX-E-CS2 |
| Recommended Uses | pcp paintball tank |
| Style | Red and Black |
| Voltage | 12 volts |
| Additional Information | Important Information Wattage 250 watts Bulb Voltage 12 volts |
Listed on Amazon as: GX-E-CS2 Portable PCP Air Compressor, 4500Psi/30Mpa, Quick-Fill
View on Amazon
#8
8. GEKUVIX CS-WZ Black
- Voltage: 110 V
- Capacity: 0.5 liters
- Material Type: Metal
Best for: Simple dual-power 0.5L refills.
Why it ranks #8: This 4500 PSI model supports 12V DC and 110V AC and includes a power converter, though the supplied capacity is limited to 0.5 liters.
A preconnected 110V power-converter setup makes the GEKUVIX easier to connect before a refill, while its 12V DC option enables use from a car battery. The 4500 PSI/30 MPa rating and 0.5-liter capacity frame it as a portable pump for air rifles and paintball tanks.
For buyers moving between home and outdoor use, the 110V AC and 12V DC options allow the same compressor to work from a household outlet or vehicle battery. Its built-in fan supports the compressor during operation, and the stated oil- and water-free design avoids adding oil or an external water-cooling arrangement to the routine. The 0.5-liter capacity points toward smaller-tank refills; the supplied details do not give a fill-time estimate, so allow time rather than planning around a stated speed.
- 12V DC and 110V AC power compatibility
- Preconnected converter ports simplify setup
- Built-in cooling fan
- Oil- and water-free design
- The listed capacity is 0.5 liters, limiting its fit for larger tanks.
Skip it if you need a listed 1-liter capacity; Greteefor PCPKYJ-02 specifies 1 liter.
The GEKUVIX suits an air-rifle owner who wants one compressor for household and vehicle power, with a simple converter connection. Its 0.5-liter capacity is the key boundary when choosing it for a tank-refill routine.
Full product details
| Brand | GEKUVIX |
|---|---|
| Capacity | 0.5 liters |
| Color | Black |
| Included Components | Compressor, pcp air compressor |
| Dimensions | 8.46"L x 5.11"W x 6.88"H |
| Manufacturer | GEKUVIX |
| Manufacturer Warranty Description | 3 |
| Material | Metal |
| Model | CS-WZ-AIR-COMPRESS-BLK |
| Model Number | CS-AIR-COMPRESS-BS |
| Recommended Uses | Spraying |
| Style | Portable, Multi-Purpose, Electric (Ac/Dc) |
| Voltage | 110 volts |
| Additional Information | Important Information Bulb Voltage 110 volts |
Listed on Amazon as: PCP Air Compressor 4500Psi/30Mpa Water/Oil Free PCP Air Pump Rifle,12V Automotive DC 110V AC PCP Airgun Compressor With Power Converter,Built-in Fan,Suitable for Paintball, Air Rifle
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#9
9. GEKUVIX CS-WZ Orange
- Voltage: 110 V
- Capacity: 30 cubic in
- Material Type: Metal
Best for: Timed 0.5L airgun refills.
Why it ranks #9: It reaches 4500 PSI and lists an 8-minute fill from 200 to 300 bar for a 500cc tank, but its stated maximum tank size is 0.5 liters.
GEKUVIX gives a concrete refill benchmark for its portable 4500 PSI pump: a 500cc tank takes about eight minutes from 200 to 300 bar. The 350W motor, built-in cooling fan, and 12V DC/110V AC power options make that timing useful for planning small-tank airgun sessions at home or away.
The stated maximum tank size is 30ci, or 0.5L, so the compressor is a defined match for smaller PCP or paintball tanks rather than larger bottles. GEKUVIX lists about 20 minutes to fill a 500cc tank from 0 to 300 bar, and about eight minutes from 200 to 300 bar; starting pressure therefore changes session planning. Oil- and water-free operation avoids those maintenance routines, while the included 8mm quick connector supports the hose connection.
- 4500 PSI/30 MPa maximum pressure
- About eight minutes for 500cc from 200 to 300 bar
- 12V DC and 110V AC power options
- Oil- and water-free operation
- Maximum listed tank size is 30ci (0.5L).
Skip it if you fill 1L tanks; Greteefor PCPKYJ-02 lists a 1-liter capacity.
For PCP airgun owners who fill tanks up to 0.5L and value a specific timing reference, this GEKUVIX offers useful planning details and dual power. Its 30ci maximum is the deciding boundary for larger-tank users.
Full product details
| Brand | GEKUVIX |
|---|---|
| Capacity | 30 cubic inches |
| Color | Orange |
| Included Components | Compressor |
| Dimensions | 8.46"L x 5.11"W x 6.88"H |
| Manufacturer | GEKUVIX |
| Material | Metal |
| Model | CS-WZ-AIR-COMPRESS-ORG |
| Model Number | CS-WZ-AIR-COMPRESS-ORG |
| Recommended Uses | Spraying |
| Style | Portable |
| Voltage | 110 volts |
| Additional Information | Important Information Bulb Voltage 110 volts |
Listed on Amazon as: Portable PCP Air Compressor, 4500PSI/30MPa Water & Oil-Free,12V DC/110V AC Dual Power with Power Converter, Built-in Cooling Fan, High Pressure Air Pump for Airguns, Paintball Tank
View on Amazon
#10
10. FUJAOPS PCP Compressor
- Capacity: 1.06 quarts
- Material Type: Stainless Steel
Best for: Brushless dual-power airgun pump.
Why it ranks #10: This oil-free, 4500 PSI compressor lists PCP air rifles among its uses and includes a transformer, but its details omit auto-stop and voltage specifications.
A brushless motor gives the FUJAOPS pump its stated route to 4500 PSI for PCP air rifles, paintball tanks, and air guns. Its 12V DC and 110V AC power support lets owners use a car battery or home outlet, while the oil-free feature avoids adding oil to routine operation.
The stainless-steel construction and portable format suit buyers who want to move a compressor between a home setup and an outing; the listed product dimensions are about 7.87 by 6.69 by 4.72 inches. A transformer, air hose, power cord, and assembly accessories are included, so the package supplies key setup items for the dual-power arrangement. The listed capacity is 1.06 quarts, but no fill-time estimate is provided, so this model offers less guidance for scheduling a refill than products with stated timings.
- Brushless motor
- Maximum pressure of 4500 PSI
- 12V DC and 110V AC power options
- Oil-free feature with hose and transformer included
- No tank fill-time estimate is provided in the supplied product details.
Skip it if you need stated refill times to plan sessions; Greteefor PCPKYJ-02 lists estimates for several tank sizes.
The FUJAOPS suits PCP airgun owners seeking a portable, oil-free compressor with brushless drive and home-or-vehicle power. Its supplied details do not specify fill times, so it is less convenient for buyers who need a schedule benchmark.
Full product details
| Brand | FUJAOPS |
|---|---|
| Capacity | 1.06 quarts |
| Included Components | 1* Air Compressor, 1* English Manual Other Accessories for Assembly, 1* Transformer, Air Hose, Power Cord |
| Manufacturer | FUJAOPS |
| Material | Stainless Steel |
| Model | PCP Air Compressor |
| Model Number | PCP Air Compressor |
| Recommended Uses | It is suitable for PCP air rifles, paintball tanks, air pistols, PCP air guns, mini-diving bottles, etc. See more |
| Special Feature | Oil Free |
| Style | Portable |
Listed on Amazon as: PCP Air Compressor, 4500 PSI High Pressure Air Pump, 12V DC/110V AC PCP Airgun Compressor with Brushless Motor, for PCP Air Rifles, Paintball Tanks, Air Guns and Scuba Bottles
View on AmazonAvoid tank-size and fill-limit mismatches
A compressor’s 4500 PSI maximum does not establish that it can fill every tank used with an air rifle. The stated capacity and limits are separate checks: the GOYOJO AIR4500 lists 1000 cubic centimeters, while the GEKUVIX CS-WZ Orange specifies a 30-cubic-inch capacity and explicitly limits tank size to 30ci (0.5L). SMACO ShoeBox-1A says a 1-liter tank can technically be filled but does not recommend it.
These details make the intended receiver size important, especially if you plan to fill a larger external bottle rather than a rifle’s onboard reservoir. Confirm the tank’s pressure rating, volume, connection and fill instructions before buying or operating a compressor.
A high pressure rating alone is not proof of compatibility, and a stated compressor capacity should not be treated as permission to exceed the maker’s recommended tank size.
Plan around heat, pauses, and filter upkeep
Heat and maintenance can affect how practical repeated fills are, even when a compressor has the required pressure. The Greteefor PCPKYJ-02 lists temperature monitoring and automatic high-temperature shutdown, while the GOYOJO AIR4500 includes a built-in cooling fan. Those features do not establish a universal duty cycle, so follow each model’s manual for operating time and cooling pauses rather than assuming it can run continuously.
Filter upkeep also differs: SMACO recommends replacing its filter cartridge every 300 minutes of running time to maintain air quality and performance. That is a concrete maintenance interval for this model, not a rule for every compressor here.
If you fill often, check what maintenance the particular unit requires and keep track of run time. For occasional use, a cooling fan or automatic thermal protection may still be useful, but neither replaces the maker’s operating instructions.
How to choose a PCP air-rifle compressor
Pressure and receiver capacity
Look for a maximum pressure that meets your rifle or tank’s stated fill requirement, then verify the compressor’s tank-size limit separately. Many models here list 4500 PSI, including the GOYOJO AIR4500, Umarex ReadyAir Gen 2, and SDKEHUI PCP Compressor. Capacity disclosures vary: GOYOJO lists 1000 cubic centimeters, the GX Pump CS2 lists 1 liter, and several models specify 0.5 liters or 30 cubic inches.
SMACO says filling 1-liter-or-larger tanks is technically possible but not recommended. A buyer filling only a compatible small airgun reservoir may prefer a model with a clearly stated small-tank limit; someone considering a larger bottle should prioritize explicit manufacturer guidance and verify compatibility before use.
Power source and filling location
Choose power based on where you will refill, because listed electrical options vary across these compressors. GOYOJO AIR4500 supports 12V DC and 120V AC, while the Greteefor PCPKYJ-02 lists 12V DC and AC support with a factory default of 115V. The Umarex ReadyAir Gen 2 lists 12V DC, and GX Pump CS2 lists 12 volts.
Dual-power models are the practical fit for someone who wants to fill at home and from a vehicle; a 12V-only listing may suit a buyer who expects to use vehicle power. Confirm the exact AC voltage and the maker’s required connection method for your location.
Do not assume a model supports an outlet simply because another compressor in the roundup does.
Controls, cooling, and maintenance
Compare how each compressor manages the fill and heat, rather than treating all 4500 PSI models as interchangeable. GOYOJO AIR4500 lists auto-shutoff, and Greteefor PCPKYJ-02 adds preset-pressure stopping and temperature protection. The Greteefor PCPKYJ-03 lists an LCD display and auto-stop, whereas SDKEHUI PCP Compressor is described as manual-stop.
Built-in fans are specified on some models, including GOYOJO and GEKUVIX CS-WZ Black. SMACO ShoeBox-1A is oil-free and has a stated filter replacement interval of 300 running minutes.
Buyers who want less monitoring may favor a listed auto-stop model; those choosing manual-stop should be comfortable monitoring pressure. Follow each manual’s cooling and maintenance directions.
Which air-rifle compressor should you choose?
For a versatile home-and-vehicle setup, choose GOYOJO AIR4500: it reaches 4500 PSI, supports 12V DC and 120V AC, and lists auto-shutoff. If preset stopping and thermal protection are priorities, Greteefor PCPKYJ-02 is a strong alternative with dual-power support. For a pump explicitly designed around PCP air rifles and a programmable digital readout, consider Umarex ReadyAir Gen 2, noting its listed 12V DC power.
Choose Greteefor PCPKYJ-03 if you want an LCD display and auto-stop. For a model with a particularly clear small-tank limit, GEKUVIX CS-WZ Orange states a 0.5-liter maximum.
Before purchasing any of them, match the compressor’s power, connection, pressure, and tank guidance to your rifle’s fill setup.
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Frequently Asked Questions
How do I connect a PCP compressor to my air rifle’s fill probe?
Connect the compressor’s hose to the rifle’s fill probe using the fittings specified for your equipment. Check that the connection is secure and compatible before starting, and follow the rifle and compressor manuals for filling and pressure limits. Do not force mismatched fittings or disconnect while the system is pressurized.
How often should I let a portable PCP compressor cool during filling?
Follow the compressor’s manual for its duty cycle and required cooling pauses; there is no universal interval that applies to every model. Stop if its instructions call for a break or it shows signs of overheating. A built-in fan does not replace any specified rest period, so check guidance before filling.
Can I use a PCP compressor to fill a large carbon-fiber air tank?
Only if the compressor’s instructions explicitly allow filling that tank type and size, and its pressure and connection requirements match. Do not assume a compressor suitable for directly filling a rifle can fill a large carbon-fiber tank. Check both manufacturers’ guidance and the tank’s limits before connecting anything.
What should I check before choosing a PCP compressor for my rifle?
Match the compressor’s pressure capability, power source, hose connection, and tank guidance to your rifle’s fill setup. Confirm whether it supports your available power, such as vehicle or household power, and whether its instructions cover your intended tank size. Treat product features as a starting point, not a substitute for the manuals.
Does auto-shutoff mean I can leave a compressor unattended?
No. Auto-shutoff can stop filling at a set point, but it does not replace checking the compressor’s instructions, selecting the correct setting, and monitoring the process. Confirm the rifle or tank’s pressure limit and stay nearby while filling.
Do not rely on an automatic feature to correct an incompatible setup.
Final Words
For a versatile home-and-vehicle setup, the GOYOJO AIR4500 is the strongest overall choice: it is intended for PCP airguns, reaches 4500 PSI, supports 12V DC and 120V AC, and lists auto-shutoff. Consider the Greteefor PCPKYJ-02 for preset stopping and thermal protection, or Umarex ReadyAir Gen 2 for PCP-focused design and a programmable readout. Before choosing, verify power, connection, pressure, and tank guidance against your rifle’s setup.


