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The OXBAR M20K by Rocky Vapor is a mid-capacity disposable with adjustable wattage, a feature typically reserved for open pod kits and mods. It holds 20mL of e-liquid at 20mg/mL nicotine salt, delivers up to 20,000 puffs in Normal Mode, and allows wattage to be dialled anywhere from 12W to 28W for precise control over vapour and flavour intensity. The 1.0Ω dual mesh coil, adjustable airflow, 900mAh rechargeable battery, and Mega LCD screen round out a well-equipped device at $35.25.
| Spec | Details |
|---|---|
| E-Liquid Capacity | 20mL (prefilled) |
| Puff Count | Up to 20,000 (Normal), up to 10,000 (Boost at 28W) |
| Nicotine Strength | 20mg/mL (nicotine salt) |
| Coil Type | 1.0Ω dual mesh coil |
| Wattage Range | 12W to 28W (adjustable) |
| Battery | 900mAh (USB-C rechargeable) |
| Display | Mega LCD (wattage, e-liquid level, battery level) |
| Airflow | Adjustable (MTL to DTL) |
| Safety | Child lock feature |
| Activation | Draw-activated |
| Flavours Available | 25 |
Most disposables offer two or three preset modes. The M20K provides a continuous wattage range from 12W to 28W, allowing output to be fine-tuned to preference rather than forcing a choice between fixed presets.
Smoother, cooler draws with lower vapour volume. Maximizes puff count up to 20,000 puffs. Best for all-day, efficient use.
Warmer, denser vapour with intensified flavour and throat hit. Reduces puff count to approximately 10,000 puffs. Best for a stronger experience.
The current wattage setting is displayed on the Mega LCD screen in real time. This level of wattage visibility is uncommon for a disposable; most devices with modes do not show the actual wattage value on screen.
The 1.0Ω dual mesh coil uses two mesh heating elements for even heat distribution across the e-liquid. Paired with the adjustable airflow system, the M20K can be set up for either a tight mouth-to-lung (MTL) draw or a looser direct-to-lung (DTL) pull. Combined with the wattage control, this provides a wide range of draw profiles: from a cool, tight, low-wattage MTL hit to a warm, open, full-power DTL cloud.
The display shows three data points: current wattage, remaining e-liquid level, and battery charge. The screen activates on draw, with no button press required. Between the wattage readout and e-liquid tracking, device performance is always visible.
The M20K lineup includes several profiles not found on other devices: Route, Peach Canada D, Caribbean White, Super Classic, and the GB series (Grape GB, Sour Peach GB, Strawberry GB, Watermelon GB), which carries a distinct flavour profile. Non-iced options include Blue Razz, Banana Blackberry Melon, Grape Peach, Raspberry Lemon, and several others.
Rocky Vapor also makes the OXBAR G42K, which shares the same 20mL capacity and 900mAh battery but upgrades the coil, puff count, and adds adjustable nicotine control. Here is how the two compare.
| Feature | OXBAR M20K | OXBAR G42K |
|---|---|---|
| E-Liquid | 20mL | 20mL |
| Puffs | 20,000 | 42,000 |
| Battery | 900mAh | 900mAh |
| Coil | Dual mesh | Triple mesh |
| Wattage | 12W to 28W adjustable | Adjustable |
| Nicotine Control | No | Adjustable |
| Airflow | Adjustable | Adjustable |
| Screen | Mega LCD | Mega LCD |
| Flavours | 25 | 35 |
| Price (VTW) | $34.75 | $35.00 |
The G42K is the newer model with a triple mesh coil, over double the puff count, adjustable nicotine control, and 10 more flavours for just $0.25 more. The M20K's advantage is its specific flavour lineup (25 options not fully replicated on the G42K, including the GB series and unique profiles like Route, Peach Canada D, and Caribbean White). On spec alone, the G42K offers more for essentially the same price.
Ships within 48 hours · Estimated delivery Jun 22 - Jun 27
US$40
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