PAX 4

PAX 4 Vaporizer UK

The PAX 4 (officially stylized as PAX FOUR) is the latest generation of the legendary pocket-sized dry herb vaporizer range, engineered to be the most powerful PAX device released to date. Designed explicitly for users who want significantly denser vapour without sacrificing ultimate stealth or moving to a bulky desktop device, the PAX FOUR combines an all-new high-output hybrid heating system with PAX's familiar, beautifully minimalist design.

According to the manufacturer, the FOUR produces up to 50% more vapour than previous models—including the PAX 2, PAX 3, PAX PLUS, PAX MINI, and PAX FLOW. The heavily updated internal architecture is designed to provide massive thermal output while maintaining a cool, smooth draw and strictly avoiding combustion.

Featuring a redesigned stainless-steel oven, four intelligent heat modes, patented real-time temperature control, and the massive addition of universal USB-C charging, the PAX FOUR is a highly compelling option for UK customers who want maximum extraction power without complicated operation.

Shop the authentic PAX 4 Vaporizer from Herbalize Store UK and explore our wider range of portable vaporizers.

Watch the PAX 4 Vaporizer in Action: This video showcases the high-output hybrid heater producing 50% more vapor than previous PAX models, effortless one-button operation, and dense clouds. In premium Onyx and Greenstone finishes.

PAX FOUR Key Features

• High-output hybrid heating system designed for substantially denser vapour.
• Up to 50% more vapour production compared with PAX 2, PAX 3, PAX PLUS, PAX MINI and PAX FLOW.
• Four intelligent heat modes for different session preferences.
• Patented real-time temperature control for consistent heating during use.
• Redesigned stainless-steel oven and vapour path sealed from the internal components.
• Refined oven lid designed to improve airflow and make loading easier.
• USB-C charging with up to 50 minutes or five sessions of runtime per full charge.
• Automatic safety shut-off if the device reaches sustained high temperatures.
• Compact PAX form factor designed for convenient everyday carry.
• Flat and raised mouthpieces supplied in the box.
• Available in Onyx and Greenstone.
• Two-year limited warranty, with an additional year available following registration within 30 days.

Temperature Settings & Heat Modes

The PAX 4 Vaporizer includes four intelligent preset heat modes designed for different session styles. Thanks to real-time temperature control, the device automatically adjusts heat output while you inhale, ensuring consistent and efficient vapour production.

• Mode 1 – Low Temp: Smooth, flavour-focused draws with lighter vapour.
• Mode 2 – Balanced: A mix of flavour and moderate cloud production.
• Mode 3 – Boost: Thicker vapour with stronger intensity.
• Mode 4 – High Output: Maximum cloud production and potency.

Simply press the top button to cycle through modes. LED indicators and vibration feedback confirm when your device is ready.

USB-C Charging

USB-C is another significant improvement over previous PAX generations.

The PAX FOUR uses USB-C charging and provides up to five sessions or approximately 50 minutes of runtime per full charge, depending on how it is used. PAX's support documentation lists charging from empty at approximately 90 minutes.

For UK users already carrying USB-C equipment, the move away from the older proprietary charging approach is particularly convenient.

A dedicated PAX USB-C Fast-Charging Wall Charger is also available for customers who want a dedicated charging setup.

PAX FOUR Battery Life

PAX rates the FOUR for up to 50 minutes of runtime or approximately five sessions from a full charge.

Actual runtime varies according to the selected heat mode and usage. PAX specifically notes that higher heat modes use more battery while producing more vapour, so users who consistently select the higher settings should expect battery consumption to increase.

The device's battery status can be checked through the PAX interface, keeping charge information readily accessible during normal use.

PAX FOUR vs. PAX PLUS vs. PAX MINI

For customers deciding between PAX's current and previous compact dry-herb models, the key differences are centred on heating technology, power, charging and overall capacity.

Feature / Metric	PAX FOUR	PAX PLUS	PAX MINI
Heating System	High-output hybrid heating	Previous-generation PAX heating system	Previous-generation PAX heating system
Vapour Output	Up to 50% more than PAX 2, 3, PLUS, MINI & FLOW	Standard PAX output	Standard PAX output
Heat Modes	4	Multiple preset modes	Preset-focused operation
Temperature Management	Patented real-time temperature control	PAX temperature management	PAX temperature management
Charging	USB-C	Proprietary magnetic charging	Proprietary magnetic charging
Oven	Redesigned stainless-steel oven with stainless-steel / ceramic-tuned heater	Previous-generation PAX oven	Previous-generation PAX oven
Concentrate Insert	Not compatible	Compatible with PAX Concentrate Insert	Dry herb-focused
Device Dimensions	107.5 × 36 × 26.7 mm	98 × 31 × 22 mm	93 × 31 × 22 mm
Full-Charge Runtime	Up to 50 minutes / 5 sessions	Depends on usage	Depends on usage
Best For	Maximum output in the PAX range	Established PAX experience with concentrate compatibility	Smaller, simpler PAX format

PAX's current materials confirm the FOUR's dimensions, redesigned oven, USB-C charging, four heat modes, increased vapour output and lack of compatibility with the PAX Concentrate Insert.

Which PAX Vaporizer Is Right for You?

Choose the PAX FOUR if your priority is the strongest vapour production in the PAX range, a hybrid heater, four heat modes, USB-C charging and the latest oven design.

Choose the PAX PLUS if you prefer the established PAX design and want compatibility with the PAX Concentrate Insert.

Choose the PAX MINI if you prefer a smaller PAX format and a simpler dry-herb experience.

For customers who want to compare the FOUR with devices outside the PAX ecosystem, the XMAX V3 Pro offers removable-battery operation and electronic heating modes, while the Arizer Air MAX takes a different approach with its glass aroma tube and replaceable high-capacity battery.

PAX FOUR vs Other Compact Vaporizers

While the PAX FOUR dominates the ultra-discreet category, it competes directly with other highly capable compact vaporizers on the UK market.

An alternative such as the XMAX V3 Pro is much more focused on electronic user control, featuring a digital display, instant On-Demand heating, and a user-replaceable 18650 battery. Conversely, the Arizer Air SE takes another route, pairing a lightweight polymer body with Arizer's renowned pure glass aroma-tube design for ultimate flavour purity.

Choosing between them is less about which device is universally "best" and more about your routine: choose PAX for maximum stealth and durability, XMAX for digital control, or Arizer for glass-path flavour.

PAX FOUR Accessories

The FOUR has its own growing accessory ecosystem.

For charging, the PAX USB-C Fast-Charging Wall Charger provides a dedicated power option.

For cleaning and maintenance, the PAX Premium Maintenance Kit is designed specifically for PAX devices.

For mouthpiece preference, replacement PAX FOUR Raised Mouthpieces and PAX FOUR Flat Mouthpieces are available separately.

A replacement PAX FOUR Oven Lid is also available for long-term ownership.

Frequently Asked Questions

Is the PAX FOUR actually more powerful than the PAX PLUS?

Yes. PAX officially states that the new hybrid heating architecture produces up to 50% more vapour than previous models, including the PAX 2, PAX 3, and PAX PLUS.

Does the PAX FOUR use hybrid heating?

Yes. The FOUR completely steps away from strict conduction, utilizing a new high-output hybrid heating system that successfully combines both conduction and convection principles for thicker clouds.

Does the PAX FOUR definitely have USB-C charging?

Yes. Universal USB-C officially replaces the proprietary magnetic charging dock used by all earlier PAX models.

How long does the PAX FOUR take to charge?

PAX's official support information lists an approximate charge time of 90 minutes from empty.

Can you use the old PAX Concentrate Insert with the PAX FOUR?

No. PAX specifically states that the heavily redesigned hybrid oven is absolutely not compatible with the older PAX Concentrate Insert. The PAX 4 is explicitly a dry herb vaporizer.

How much dry herb can the PAX FOUR actively hold?

The oven holds approximately 0.3g of dry herb when full. Because it uses hybrid heating, you still want a relatively firm pack for the best vapour production.

Does selecting a higher heat mode use more battery?

Yes. PAX specifically notes that the Boost and High Output modes actively consume significantly more battery power in order to produce that extra 50% vapour density.

What official warranty does the PAX FOUR have?

The device comes with a standard 2-year manufacturer warranty. This is officially extended to 3 years total when the device is registered directly with PAX within 30 days of purchase.

What's in the Box

• PAX FOUR Device
• Flat Mouthpiece
• Raised Mouthpiece
• Multi-Tool
• 3 Oven Screens
• Wire Brush
• USB-C Charging Cable

Technical Specifications

Vaporises	Dry Herb
Heat Modes	4 Presets
Heating System	High-Output Hybrid
Battery Life	Up to 50 Minutes / 5 Sessions
Charging Type	USB-C
Warranty	2 Years (+1 Year with Registration)
Colours Available	Onyx, Greenstone

PAX 4 Vaporizer UK – Final Verdict

The PAX FOUR completely represents a major engineering evolution for the brand rather than a simple cosmetic refresh.

Its highly capable new high-output hybrid heating system succeeds in its mission to deliver up to 50% more vapour than earlier PAX models, directly answering the demands of heavy users. The redesigned stainless-steel oven, intelligent real-time temperature control, and the massive, long-awaited addition of universal USB-C charging make the device incredibly practical for daily, heavy use.

Crucially, it remains recognisably PAX: extremely compact, highly durable, stealthy, and completely straightforward to operate with a single button.

While users who strictly require a removable battery might look toward the XMAX V3 Pro, and concentrate users should stick with the older PAX PLUS, the PAX 4 sits comfortably at the top of the stealth category. For UK users who absolutely want the highest vapour output and thickest clouds available in a pocket-friendly format, the PAX FOUR is the definitive upgrade.

Shop the authentic PAX 4 Vaporizer directly at Herbalize Store UK and pair it with compatible accessories such as the PAX maintenance kits.