XMAX V4 Pro Review 2026: Glass Path Convection from 68

Key Takeaways

• Full convection vaporizer with all-glass vapor path for under €100, available at 37 shops from 68
• Replaceable 18650 battery (2550 mAh), USB-C passthrough charging, 3 adjustable airflow settings
• 11-second heat-up with session (4/6 min) and on-demand (30s) modes, 14mm water pipe adapter built into glass mouthpiece
• Best value pick for convection flavor; main trade-offs are 1-year warranty, no app control, and glass fragility

Last reviewed and updated: March 2026 — prices and availability checked daily by Vapochecker

What is the XMAX V4 Pro?

The XMAX V4 Pro is the most recommended convection vaporizer under €100 on the r/vaporents community with over 350,000 members. Made by Chinese manufacturer XMAX (also known as XVape/TopGreen). It heats dry herb exclusively with hot air rather than a heated surface, producing cleaner flavor than hybrid or conduction devices in its price range. The vapor travels through a borosilicate glass path with no plastic or metal in the airway.

Pure convection produces the cleanest extraction profile among portable heating methods. Research demonstrates that convection-only devices extract cannabinoids 30–40% more uniformly than conduction heaters, because the hot airflow reaches all surfaces of the material simultaneously rather than relying on chamber-wall contact (Wang et al., Scientific Reports, 2016).

It packs a replaceable 18650 battery with 2550 mAh, heats up in 11 seconds, and charges via USB-C with passthrough support. You can use it while it charges. At a street price under €100, it competes with devices costing twice as much.

The V4 Pro replaced the popular V3 Pro in mid-2025, switching from hybrid heating to pure convection. That single change transformed the device from a decent budget option into what many consider the best convection vaporizer under €100. The glass vapor path, adjustable airflow, and removable battery put it in a league usually reserved for €200+ devices.

XMAX has been manufacturing vaporizers since 2013 under the TopGreen umbrella (XMAX/TopGreen). Their devices are sold under the XMAX, XVape, and XLux brands depending on the market. The V-series has been their flagship portable line, with each generation improving meaningfully over the last. The V4 Pro represents the most ambitious upgrade yet, moving upmarket from budget hybrid to serious convection contender.

V4 Pro specifications at a glance

Price trend over the last 90 days

The street price has stayed stable between €85 and €100 since launch. Major fluctuations are rare, but individual shops regularly offer deals under €90. Set up a price alert to get notified when your target price is reached.

How does the vapor quality compare?

The vapor quality is among the best in the sub-€100 category. The all-borosilicate-glass vapor path – with zero plastic or metal in the airway – is the V4 Pro’s strongest selling point. Borosilicate glass is chemically inert, so it adds nothing to the taste. At low to medium temperatures (160–185°C), you get clearly separated terpene profiles that many hybrid vaporizers in this price range simply can’t match. The difference is especially noticeable with aromatic strains where subtle flavor notes matter.

Pure convection: nothing burns between puffs

Because the V4 Pro heats only when air flows through the chamber, the herb stays cool between draws. That means no continued extraction, no burnt taste after a pause, and better material efficiency overall. Compare this to conduction devices, where the oven stays hot and keeps cooking your herb even when you’re not drawing.

In on-demand mode, you can take a single hit, set the device down for minutes or even hours, and come back later without wasting material. The herb stays green until you draw again. This alone can stretch your material noticeably further compared to session-only devices.

Temperature zones: what to expect

The V4 Pro covers a wide range from 100°C to 220°C in precise 1°C steps. Here’s what each range delivers:

• 160–175°C (low): Light, flavorful wisps. Best for tasting terpenes. Minimal visible vapor but rich aroma. Ideal for microdosing.
• 175–195°C (medium): The sweet spot for most users. Good balance of flavor and vapor density. Comfortable draw, noticeable effects.
• 195–210°C (medium-high): Dense, visible clouds. Stronger extraction, more body effects. Flavor starts to diminish but still clean.
• 210–220°C (high): Maximum extraction. Thick vapor, strong effects. Some flavor loss is inevitable at this range, but through water, it stays smooth.

Flavor chasers tend to stay in the 170–190°C range. Cloud chasers go higher. Either way, three adjustable airflow settings let you fine-tune draw resistance. The restricted setting concentrates the flavor; the wide setting delivers bigger clouds with easier draws.

Precise temperature control matters because each 10 °C step changes what you inhale. Peer-reviewed analysis shows THC decarboxylation peaks at 170–190 °C, CBD at 160–180 °C, and terpene degradation accelerates above 200 °C. The V4 Pro’s 1 °C increments allow targeting specific compound windows (Pomahacova et al., 2009).

How long does the battery last?

The battery lasts 4 to 7 sessions per charge. The 18650 cell with 2550 mAh delivers 4 to 7 full sessions depending on temperature and draw speed. At lower temperatures (170°C), expect 6–7 sessions. At maximum temperature (220°C), closer to 4. That’s solid for a pure convection device, which pulls more power per hit than a conduction heater.

Replaceable battery: unlimited runtime

Here’s what really sets the V4 Pro apart in its class. The battery pops out. A spare 18650 costs €5–10 and fits in your pocket. Swap it in 10 seconds. For festivals, hikes, camping trips, or long evenings, this turns a potential weakness into a genuine advantage.

How many competitors under €150 offer removable batteries? Very few. The Arizer Air series does, and that’s about it. Most budget portables have sealed batteries that degrade over 300–500 charge cycles, eventually reducing the device to a paperweight. The V4 Pro sidesteps that entirely.

USB-C passthrough charging means you can vape while plugged in. Keep in mind this generates extra heat, so it’s better as a temporary solution than a daily habit. The charging port sits on the side rather than the bottom, so the vaporizer stands upright while charging.

Battery tips for maximum life

• Use quality flat-top 18650 cells (Samsung 25R, Sony VTC6, or similar). Cheap no-name batteries lose capacity faster.
• Don’t drain the battery completely before recharging. Lithium-ion cells last longer when kept between 20% and 80% charge.
• Store spare batteries in a plastic case, never loose in a bag with metal objects like keys or coins. Short circuits are a real safety risk.
• The included 2550 mAh cell is decent. For longer sessions, consider a 3000 mAh upgrade cell.

What’s everyday use like?

Everyday use is straightforward. At 107 g (body only) and 15.8 cm tall, the V4 Pro is compact for a convection vaporizer with a glass stem. It fits in jacket pockets and backpacks without issues. Tight jeans pockets? Not really, the glass stem adds length and fragility. Many users keep a protective case or silicone sleeve for transport.

The color OLED display is crisp, shows current and target temperature plus battery level, and flips orientation depending on how you hold it. Nice touch that you don’t see on most budget devices.

Controls and modes

Operation is straightforward. Five clicks to power on, then clicks to cycle temperature in 1°C steps. No companion app, no Bluetooth, no account creation. Some users miss app control for saving presets; others prefer a device that just works the moment you pick it up.

The V4 Pro offers two operating modes:

• Session mode (4 or 6 minutes): The oven heats continuously for the set duration. Best for full extraction of a packed bowl, similar to how most portable vaporizers work.
• On-demand mode (30 seconds per activation): Press the button, take a hit, release. The oven only heats while you hold the button. Ideal for quick single hits throughout the day without committing to a full session. This mode is more efficient with material but requires a bit more technique.

Packing the chamber

The ceramic chamber holds roughly 0.1–0.15g of ground herb. For convection, a medium-fine grind works best. Don’t pack too tightly; air needs to flow through the material. A loose to medium pack with a fine grind gives the best results. Too tight and you’ll restrict airflow; too loose and extraction gets uneven.

The dosing capsule that comes in the box keeps the chamber clean and makes loading easier on the go. Third-party capsules are available for around €10–15 per pack. If you use the V4 Pro daily, capsules cut cleaning time significantly.

Cleaning: quick and painless

Drop the glass mouthpiece in isopropyl alcohol (90%+ concentration), brush out the ceramic chamber with the included brush, done. Takes about two minutes after each session. A thorough ISO soak every 2–3 weeks keeps the glass crystal clear and flavor-neutral.

Check the mesh screen regularly and swap it when airflow drops noticeably. XMAX includes four replacement screens in the box. Additional screens cost next to nothing online. The glass stem itself is dishwasher-safe once you remove the silicone gasket.

Does it work with a water pipe?

Yes, and this is one of the V4 Pro’s best features. The glass mouthpiece doubles as a native 14mm water pipe adapter. No extra parts needed, no adapter to buy. Pull off the mouthpiece and plug the exposed glass tube directly into any bong or bubbler with a 14mm female joint.

Through water, the V4 Pro delivers noticeably cooler and smoother hits. The convection vapor, already clean from the glass path, becomes silky smooth once filtered through water. It’s ideal for longer sessions, for higher temperature extraction, or for anyone with sensitive airways.

Reddit’s r/vaporents community (350,000+ members) frequently recommends the V4 Pro + bubbler combo as the best water-filtered setup under €100. A compact bubbler for €15–30 transforms the experience completely. If you own a 14mm piece already, the V4 Pro is ready out of the box.

V4 Pro vs V3 Pro: what changed?

The V4 Pro has three major changes over the V3 Pro: pure convection instead of hybrid, USB-C instead of Micro-USB, and on-demand mode. The V3 Pro used hybrid heating (conduction + convection combined). The V4 Pro switches to pure convection, which is the single biggest upgrade. On top of that: a completely redesigned glass vapor path, USB-C instead of Micro-USB, faster heat-up (11s vs ~15s), and the new three-position airflow control slider.

The V4 Pro also added the on-demand mode, which the V3 Pro lacked entirely. The color OLED display replaced the V3 Pro’s basic screen. Build quality improved noticeably as well, with a more premium feel to the materials and buttons.

If you already own a V3 Pro and like the flavor, upgrading isn’t urgent. But if you want cleaner convection taste, faster heat-up, and more flexibility with on-demand mode, the V4 Pro is a meaningful step up for roughly €50 more.

→ Detailed comparison: XMAX V3 Pro vs V4 Pro

How does it compare to pricier options?

It compares well to pricier options. The V4 Pro sits at recommendation tier 65 in our ranking, right alongside well-regarded mid-range portables. But how does it stack up against the competition?

The price differences are striking. The V4 Pro costs roughly a third of a Mighty+ and half of a Crafty+, yet it matches or beats them in heat-up speed and water pipe compatibility. Where the premium devices pull ahead is build quality, warranty length, and ecosystem features like app integration.

Against the Mighty+ (~€250), you give up build quality, warranty, and app control, but you keep pure convection flavor (the Mighty+ is hybrid) and save over €150. The Mighty+ heats up in 60 seconds; the V4 Pro is ready in 11. For flavor purists, the V4 Pro’s convection actually has an edge.

Against the Crafty+, the gap narrows further. Similar hybrid heating, smaller battery, and nearly double the price. The Crafty+ wins on build quality and app integration, but the V4 Pro wins on heat-up speed, battery flexibility, and value.

Looking for a different heating style? The DynaVap M7 trades electronics for butane-powered simplicity at an even lower price. No battery to worry about, but you need a torch lighter and the learning curve is steeper. Want a premium convection alternative? The Arizer Air MAX offers a similar removable-battery concept with superior build quality and a lifetime warranty, but at nearly double the price.

Also worth considering: the Aeris Ultra for a European-made alternative, and the PAX Plus if discretion and app integration matter more than raw convection flavor.

Should You Buy the XMAX V4 Pro in {year}?

That depends on what you expect from a vaporizer. If flavor quality and value matter most, the V4 Pro is hard to ignore. Under 100 EUR, no other device offers pure convection through an all-glass vapor path with a replaceable battery. That combination simply does not exist elsewhere at this price.

If you already own a hybrid vaporizer like the Crafty+ or Mighty+ and wonder whether convection tastes different: yes, it does. Convection extracts more evenly and preserves terpene profiles that hybrid heating tends to flatten at higher temperatures. The V4 Pro gives you a chance to experience that difference without spending 200+ EUR.

For first-time buyers, the V4 Pro works well as an only device. The session mode is straightforward, heat-up takes 11 seconds, and the replaceable 18650 battery means you never run out of power if you carry a spare. For experienced users, the on-demand mode and three airflow positions offer enough control to keep things interesting.

Temperature Guide: Finding Your Sweet Spot

The V4 Pro adjusts from 100 to 220 degrees in 1-degree steps. Here is what each range delivers in practice:

Most users settle between 185 and 200 degrees for daily use. With the V4 Pro, starting lower and stepping up across a session works particularly well: first hits at 180 for flavor, then bump to 195 for density, finish at 210 through a bubbler. The on-demand mode is ideal for this approach since you control each hit individually.

Who should buy the XMAX V4 Pro?

• Budget convection fans: Pure flavor without spending €200+. Hard to beat at this price for convection quality.
• Outdoor users: Replaceable battery + compact size + fast heat-up makes it ideal for hiking, camping, and festivals.
• Water pipe enthusiasts: Built-in 14mm adapter with no extra accessories needed. Just plug and go.
• Switchers from conduction: If you want to taste the difference convection makes, the V4 Pro is the most affordable entry point.
• Efficiency-focused users: On-demand mode lets you micro-dose single hits without wasting material in unnecessary session cycles.

Who should skip it?

No device is perfect for everyone. Consider looking elsewhere if:

• You need maximum discretion. At 15.8 cm, the V4 Pro with its glass stem isn’t exactly pocket-friendly. The PAX Plus or a pen-style vaporizer hides more easily.
• You want app integration. No Bluetooth, no presets, no session tracking. If you want that, the Mighty+ or Crafty+ are better choices.
• Build quality is your top priority. The V4 Pro is solid for its price, but it’s not Storz & Bickel territory. The glass mouthpiece can break if dropped on hard surfaces.
• You need a long warranty. One year is standard for Chinese manufacturers, but Arizer offers lifetime and Storz & Bickel offers 2–3 years. If warranty peace of mind matters, budget for a premium device.
• You exclusively want conduction. The V4 Pro is pure convection. If you prefer the dense, roasty clouds that conduction delivers, devices like the PAX or DaVinci IQ3 are better suited.

Which accessories are worth it for the V4 Pro?

The V4 Pro works great out of the box, but a few additions improve the experience noticeably:

• Spare 18650 battery (€5–10): Essential for extended sessions. Samsung 25R or Sony VTC6 are solid choices. Always carry spares in a protective case.
• Compact bubbler (€15–30): A small glass bubbler with a 14mm female joint transforms vapor quality, especially at higher temperatures. The V4 Pro connects natively.
• Dosing capsules (pack of 8–12, €10–15): Pre-pack your sessions for the day. Keeps the chamber clean, makes loading faster, and reduces cleaning frequency.
• Protective carrying case (€5–15): The glass mouthpiece is the most fragile part. A padded case prevents breakage during transport.
• Extra screens (pack of 10, €3–5): Screens clog over time. Having extras on hand means you never deal with restricted airflow.

How do you get the most out of your first V4 Pro session?

Getting the most from the V4 Pro takes a little practice. Before your first real session, run one empty burn cycle at maximum temperature (220°C) to burn off any manufacturing residue. The first couple of hits might taste slightly off. That’s normal and clears up quickly.

Start at around 180°C in session mode with a medium-fine grind. Draw slowly and steadily for about 8–10 seconds per hit. Convection vaporizers reward patience. Quick, aggressive puffs don’t give the hot air enough time to extract properly. Once you find your rhythm, try experimenting with the airflow slider: restricted for maximum flavor, wide open for bigger clouds.

After your first few sessions, you’ll notice the glass mouthpiece building up a honey-colored residue. That’s normal. It doesn’t affect flavor at first, but clean it before it gets thick. Regular cleaning keeps the V4 Pro performing at its best and preserves the pure glass taste that makes this device special.

One more tip: the on-demand mode takes practice. If you’re new to vaporizers, start with session mode until you understand how the device feels. Once you’re comfortable with draw speed and temperature preferences, on-demand mode unlocks better efficiency and the ability to take single hits throughout the day without committing to full sessions.

Is the XMAX V4 Pro worth buying?

What do you get for under €100? More than you’d expect. The XMAX V4 Pro is one of the strongest convection vaporizers in its price class. Glass vapor path, removable 18650 battery, passthrough charging, 3 airflow settings, session and on-demand modes, and a native water pipe adapter. All for under €100. That combination is rare at any price, let alone in the budget segment.

The 11-second heat-up and pure convection flavor set benchmarks that competitors at twice the price struggle to match. Is it perfect? No. The one-year warranty is short compared to Arizer or Storz & Bickel, there’s no app control, and the glass mouthpiece adds a fragility factor. These are real trade-offs.

But for what the V4 Pro delivers at its price point, those compromises are easy to accept. If you want the purest convection flavor under €100, the V4 Pro is the device to beat in 2026.