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The STLTH ECO XL Disposable is the top tier of the STLTH ECO lineup. It carries 20mL of e-liquid. double the ECO BOX and over 3× the original ECO. It adds Boost Mode for a stronger hit on demand, keeps the LED screen and adjustable airflow from the ECO BOX, and recharges via USB-C with an 850mAh battery. Prefilled at 20mg/mL nicotine salt with 13 flavours. $30.25.
This is the largest STLTH ECO device. Three ECO models are available: the ECO ($16.50 / 6mL), the ECO BOX ($22.00 / 10mL), and this ECO XL ($30.25 / 20mL). The XL delivers the best value per mL and is the only one with Boost Mode. See the full 3-way comparison below.
| Spec | Details |
|---|---|
| E-Liquid Capacity | 20mL |
| Nicotine Strength | 20mg/mL (nicotine salt) |
| Battery | 850mAh, USB Type-C rechargeable |
| Display | LED screen. e-liquid & battery levels |
| Output Modes | Normal Mode & Boost Mode (button-activated) |
| Airflow | Adjustable |
| Activation | Draw-activated (auto-draw) |
| Flavours | 13 |
| Price | $29.25 |
The ECO XL takes everything the ECO BOX introduced. rechargeable battery, LED screen, adjustable airflow. and adds two things: double the e-liquid capacity (20mL vs. 10mL) and Boost Mode, which lets you switch between Normal and Boost output with a button press on the screen side. Normal gives you a smooth, consistent draw. Boost cranks up the wattage for bigger clouds and a stronger throat hit.
If you've been using the ECO or ECO BOX and want a device that lasts significantly longer between replacements and gives you more control over intensity, the XL is the step up.
All three devices are part of the same STLTH ECO family. budget-friendly disposables at different capacity and feature tiers. Here's how they compare side by side.
| Feature | ECO | ECO BOX | ECO XL |
|---|---|---|---|
| E-Liquid | 6mL | 10mL | 20mL |
| Battery | 1000mAh (non-rechargeable) | USB-C rechargeable | 850mAh USB-C rechargeable |
| Display | Puff indicator light | LED screen | LED screen |
| Output Modes | None | None | Normal + Boost |
| Airflow Control | No | Yes | Yes |
| Nicotine | 0mg & 20mg | 20mg only | 20mg only |
| Flavours | 18 | 14 | 13 |
| Price | $16.00 | $22.00 | $29.25 |
| Price per mL | $2.67/mL | $2.20/mL | $1.46/mL |
Bottom line: The ECO XL is the best value per mL in the lineup at $1.46/mL. nearly half the cost of the original ECO. It's the right pick if you want maximum capacity, Boost Mode, and the fewest device replacements. The ECO BOX is the mid-range option with solid features at a lower upfront cost. The original ECO is still the right choice if you need 0mg or want the absolute cheapest entry point.
| Flavour | Profile |
|---|---|
| Blue Lemon Ice | Blue raspberry + lemon with menthol |
| Blueberry Raspberry | Mixed berry blend (no menthol) |
| Cherry Blast | Bold cherry with cooling finish |
| Green Apple Ice | Tart green apple with menthol |
| Juicy Peach Ice | Ripe peach with cool exhale |
| Pineapple Lime Ice | Tropical pineapple + lime with ice |
| Polar Mint | Clean, bold peppermint |
| Punch Ice | Tropical fruit punch with ice |
| Purple Grape Ice | Sweet grape with menthol |
| Strawberry Kiwi Ice | Strawberry + kiwi with cool finish |
| Strawnana Ice | Strawberry banana with ice |
| Tobacco Breeze | Smooth tobacco with light cooling |
| Watermelon Lime Ice | Watermelon + lime with menthol |
The ECO XL is the only device in the STLTH ECO lineup with dual output modes. Press the button on the screen side to toggle between Normal Mode and Boost Mode. Normal delivers smooth, consistent flavour with lower vapour output. Boost increases wattage for bigger clouds and a stronger throat hit. useful when you want more intensity without switching devices. Boost Mode will consume e-liquid faster, so expect slightly shorter overall device life when using it frequently.
The ECO XL fills the gap between budget disposables and premium high-puff devices. It's built for vapers who go through devices quickly and want more capacity without jumping to the $30+ premium tier like the STLTH 8K PRO or Titan Max 50K. At 20mL and $1.46/mL, it lasts significantly longer than the ECO or ECO BOX and costs less per mL of e-liquid than either.
Ships within 48 hours · Estimated delivery Jun 23 - Jun 28
US$40
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