Vaporesso XROS 4 Review 2026: Best Pod Mod for MTL & Restricted DTL?

When Vaporesso released the original XROS, it quickly became one of the most popular pod systems on the market. The XROS 3 refined the formula, and now the XROS 4 takes things a step further with a proper OLED screen, adjustable wattage, and an improved chipset. But is it worth upgrading? And is it the best pod mod you can buy in 2026?

I've been using the XROS 4 as my daily driver for two weeks — testing it with multiple coils, both MTL and DTL pods, at various wattages. Here's everything you need to know.

📋 Specs & What's in the Box

What's in the Box

• 1 × Vaporesso XROS 4 Device
• 1 × XROS 0.4Ω Mesh Pod (pre-installed)
• 1 × XROS 0.8Ω Mesh Pod
• 1 × USB-C Charging Cable
• 1 × User Manual
• 1 × Warranty Card
• Extra O-rings & drip tip cover

🏗️ Build Quality & Design

The first thing you notice about the XROS 4 is how premium it feels — especially for a $30 device. The body is made of a zinc-alloy frame with a smooth matte finish that resists fingerprints well. It feels solid in the hand, with zero rattle or flex.

At just 45 grams and barely bigger than a disposable vape, it's incredibly portable. It fits easily in any pocket, purse, or even a jeans watch pocket. The rounded edges make it comfortable to hold for long vaping sessions.

The OLED Screen: A Game Changer

The biggest upgrade from the XROS 3 is the 0.69" OLED screen on the front. It's bright, crisp, and shows all the important info at a glance:

• Battery level (percentage)
• Current wattage
• Resistance (Ω)
• Voltage
• Puff counter
• Charging indicator

Compared to the XROS 3's simple LED indicators, the screen is a massive improvement. No more guessing how much battery is left or what wattage you're at. Everything is clear and readable, even in direct sunlight.

Controls

The controls are simple and intuitive:

• Fire button: Top-mounted, click to vape. Also used for power on/off (5 clicks) and menu navigation.
• Up/Down buttons: Below the screen, adjust wattage. Also used for menu navigation.
• Airflow dial: Bottom of the device, rotates to adjust airflow from tight MTL to loose restricted DTL.

The button placement is good — the fire button is easily accessible with your index finger, and the up/down buttons are where your thumb naturally rests. The buttons have a nice clicky feel with good tactile feedback.

Pod Connection & Leak Resistance

The pods connect magnetically and snap into place with a satisfying click. The connection is solid — the pod doesn't wiggle or feel loose at all. There's a small lip at the top that makes it easy to pull the pod out when you need to refill or replace it.

Leak resistance has been excellent in my testing. After two weeks of daily use, including carrying it in my pocket, bag, and even a car cup holder in hot weather, I haven't experienced any leaking. Vaporesso has clearly improved the pod seal design over previous generations.

👅 Flavor Performance

Flavor is where the XROS 4 really shines. Vaporesso's SSS (Self-Study-Soldering) mesh coil technology delivers some of the best flavor I've had from a pod system.

I tested four different pod types:

The 0.4Ω and 0.6Ω mesh pods are where this device truly excels. The flavor is rich, full-bodied, and surprisingly detailed for a pod system. Fruit flavors pop with brightness, dessert flavors have depth and complexity, and tobacco flavors have a smooth, natural quality.

The 0.8Ω mesh pod is also excellent for MTL vaping — still great flavor, just a bit less vapor production. The 1.2Ω regular (non-mesh) pod is good but not quite on the same level — the flavor is thinner and less vibrant. For the best experience, stick with the mesh pods.

Wattage Tuning

One of the best things about the XROS 4 is the ability to fine-tune the wattage. Start at the lower end of the recommended range and work your up until you find the sweet spot for your juice and preference. I found that most e-liquids taste best at 20-25W with the 0.6Ω pod.

For more on finding the right wattage, check out our complete vape wattage guide.

💨 MTL vs Restricted DTL Performance

The XROS 4's biggest strength is its versatility. With the adjustable airflow and multiple pod options, it can go from a tight cigarette-like MTL draw to a loose restricted DTL draw — and everything in between.

MTL (Mouth-to-Lung) Performance

With the 0.8Ω or 1.2Ω pod and the airflow dialed all the way down, the XROS 4 delivers a tight, satisfying MTL draw that's very similar to smoking a cigarette. The draw resistance is perfect — not too tight, not too loose.

If you're a former smoker or prefer a tighter draw, this is one of the best pod systems for MTL. The combination of the tight airflow and the higher-resistance pods gives you that familiar cigarette-like feel.

Restricted DTL Performance

Open up the airflow and drop in the 0.4Ω pod, and the XROS 4 transforms into a restricted DTL device. The draw becomes much airier, and you get significantly more vapor production — though it's still nowhere near what you'd get from a full mod and sub-ohm tank.

Restricted DTL is a great middle ground — more vapor and flavor than MTL, but not the full lung hit of a sub-ohm setup. It's perfect for vapers who want more than MTL but don't want to go all-in on a mod + tank setup.

🔋 Battery Life & Charging

The XROS 4 has a 1000mAh built-in battery — that's 100mAh more than the XROS 3, and it makes a noticeable difference.

Real-World Battery Life

For most vapers (moderate MTL or loose MTL use), the XROS 4 will easily last a full day on a single charge. Light vapers can get 2 days out of it. Heavy DTL vapers will need to charge it once during the day or keep a backup device handy.

This is one area where the XROS 4 has a clear advantage over smaller pod systems like the JUUL2 and Vuse Pro. With 1000mAh, it has 2-3x the battery capacity of most closed pod systems.

Charging Speed

The XROS 4 charges via USB-C at 1A, which is decent but not fast-charging. A full charge takes about 45-60 minutes from 0% to 100%. The OLED screen shows the charging progress, so you always know how much longer it needs.

For a device this size, the charging speed is perfectly adequate. It's not as fast as some of the bigger mods with 2A charging, but it's more than fast enough for a pod mod.

For more on battery safety and charging best practices, see our vape battery safety guide.

📱 OLED Screen & Features

The 0.69" OLED screen is the star feature of the XROS 4. Let's go through what it shows and what features you get.

Screen Display

The screen shows:

• Battery percentage: 0-100%, displayed numerically and with a battery icon
• Wattage: Current power setting (5-30W)
• Resistance: Current coil resistance in ohms
• Voltage: Current output voltage
• Puff counter: Tracks number of puffs (can be reset)
• Charging animation: Shows charging progress

The screen is bright and clear. It turns on when you press the fire button and stays on for about 10 seconds before timing out. You can also turn it off manually by pressing the fire button 3 times.

Features

• Adjustable wattage: 5-30W, adjustable in 0.5W increments with the up/down buttons
• Puff counter: Tracks your daily puffs — a nice feature if you're trying to cut back
• Smart coil detection: Automatically detects the coil resistance and suggests wattage
• Multiple protections: Short circuit, low battery, over-charge, over-discharge, over-current
• Auto-draw + button fire: You can either inhale to activate or press the fire button. Both work well.
• Child lock: Press the fire button 5 times to lock/unlock the device

Auto-draw is a nice touch for beginners — you just inhale and it fires, just like a cigarette or a disposable. But having the fire button option is great for more precise control and for colder days when auto-draw can be finicky.

💧 Pods & Coil Options

The XROS 4 uses Vaporesso's XROS pod system, which is compatible with all XROS series pods (XROS, XROS 2, XROS 3, XROS 4). That means there are plenty of pod options available, and replacement pods are easy to find.

Available Pod Options

Coil Life

Coil life depends on several factors: the wattage you use, the type of e-liquid (sweetened e-liquid kills coils faster), and how often you vape. Here's what I experienced:

• 0.4Ω mesh (25-28W): 5-7 days with regular e-liquid, 3-5 days with sweet/dessert e-liquid
• 0.6Ω mesh (20-25W): 7-10 days with regular e-liquid, 5-7 days with sweet/dessert
• 0.8Ω mesh (16-20W): 10-14 days with regular e-liquid, 7-10 days with sweet/dessert
• 1.2Ω regular (12-16W): 10-14 days, but flavor isn't as good

That's pretty standard for pod systems. Mesh coils tend to have shorter life than regular coils but much better flavor — a trade-off most vapers are happy to make.

For tips on extending coil life, see our complete vape coil guide.

Refilling

Refilling the XROS pods is simple. You pull off the top cap (the mouthpiece), reveal the fill port, squeeze your e-liquid bottle into the port, and snap the cap back on. The fill port has a silicone stopper that prevents leaking and makes refilling clean and easy.

One minor complaint: the fill port is on the small side. You need to be careful not to overfill, and some e-liquid bottle tips might not fit perfectly. But it's a minor issue — most standard bottles work fine.

✅ Pros & ❌ Cons

📊 Score Breakdown & Verdict

🆚 XROS 4 vs XROS 3 vs Competitors

XROS 4 vs XROS 3: Should You Upgrade?

Should you upgrade from XROS 3 to XROS 4? It depends. If you're happy with the XROS 3 and don't need adjustable wattage or a screen, there's no rush to upgrade — the pod compatibility means you can keep using your existing pods. But if you want more control over your vape experience and the convenience of a proper screen, the upgrade is well worth the extra $5-8.

XROS 4 vs Smok RPM 5

The Smok RPM 5 is another popular pod mod in the same price range. Here's how they compare:

• XROS 4 wins on: Flavor quality (mesh pods are better), build quality, screen quality, auto-draw option
• RPM 5 wins on: More pod/coil options, slightly higher wattage (40W vs 30W), larger 1200mAh battery
• Bottom line: If flavor is your top priority, go with the XROS 4. If you want more coil options and a bit more power, the RPM 5 is worth considering.

XROS 4 vs Uwell Caliburn G3

The Caliburn G3 is another strong competitor:

• XROS 4 wins on: Screen (G3 has no screen), adjustable wattage, more pod options, better value
• Caliburn G3 wins on: Slightly better MTL draw, more compact, longer coil life
• Bottom line: The XROS 4 offers more features and better value. The Caliburn G3 is great if you want the simplest possible MTL experience.

For more pod system comparisons, see our best pod vapes of 2026 guide.

🤔 Who Should (and Shouldn't) Buy the XROS 4?

✅ Who Should Buy It

• Pod system users ready to step up: If you've been using a basic closed pod system (like JUUL or Vuse) and want better flavor, more vapor, and more control, the XROS 4 is the perfect next step.
• MTL vapers who want versatility: Great MTL performance plus the option to go looser when you want it.
• Former smokers: The tight MTL draw and cigarette-like feel make it a great choice for people switching from smoking.
• Travelers: Compact, durable, and all-day battery — perfect for travel. See our vaping travel guide for more.
• Budget-conscious vapers: At $30, it offers way more features and better build quality than most devices at this price point.

❌ Who Shouldn't Buy It

• Full DTL cloud chasers: 30W max means it's not for full direct-lung vaping or big clouds. If you want massive clouds, check out our best vape mods guide.
• People who want zero maintenance: If you don't want to deal with refilling and changing coils, stick with disposable vapes or closed pod systems.
• Simplicity-obsessed beginners: The adjustable wattage and screen add complexity. If you want something that just works with no settings to fiddle with, the XROS 3 or a basic pod might be better.

❓ FAQ — Frequently Asked Questions

Is the Vaporesso XROS 4 worth buying?

Yes, the Vaporesso XROS 4 is absolutely worth buying if you're looking for a versatile pod mod that handles both MTL and restricted DTL vaping. It offers excellent flavor, solid build quality, a 1000mAh battery, adjustable wattage, and a great OLED screen — all for around $30. It's one of the best values in pod mods for 2026.

How long does the XROS 4 battery last?

The Vaporesso XROS 4 has a 1000mAh built-in battery that lasts most vapers a full day of moderate use. For light MTL vapers, it can last up to 1.5-2 days on a single charge. For heavier vapers or those using it at higher wattages with DTL coils, expect closer to 6-8 hours of use. Charging takes about 45-60 minutes via USB-C.

What's the difference between XROS 3 and XROS 4?

The XROS 4 adds several key upgrades over the XROS 3: a larger 0.69" OLED screen (vs. LED indicators on XROS 3), adjustable wattage (5-30W vs. fixed output), a more powerful chipset, improved airflow design, slightly larger 1000mAh battery (vs. 900mAh), and USB-C charging. The XROS 4 uses the same XROS pod cartridges as the XROS 3, so all your existing pods are compatible.

Is XROS 4 good for MTL?

Yes, the Vaporesso XROS 4 is excellent for mouth-to-lung (MTL) vaping. With the 0.8Ω or 1.2Ω pod and the airflow turned down, it delivers a tight, cigarette-like draw that's perfect for MTL vapers and former smokers. The adjustable wattage lets you fine-tune the experience to your preference, and the flavor quality is among the best in pod systems.

How do you fill the XROS 4 pod?

Filling the XROS 4 pod is easy: 1) Pull the pod out of the device. 2) Remove the top cap (mouthpiece) by pulling it straight up. 3) Insert the tip of your e-liquid bottle into the fill port and squeeze gently until the pod is nearly full (leave a small air gap). 4) Replace the top cap firmly. 5) Wipe off any excess e-liquid and reinsert the pod into the device. Wait 5-10 minutes before using a new coil to let it prime properly.

Can you use XROS 3 pods in the XROS 4?

Yes! The XROS 4 is fully compatible with all XROS series pods, including XROS, XROS 2, and XROS 3 pods. Vaporesso has kept the same pod design across the entire XROS lineup, which means you can use any XROS pod in any XROS device. This is great if you already have a stock of XROS 3 pods or if you prefer certain pod types.