Portable espresso maker
OneStow Portable Espresso Maker
- Self-heating
- USB-C rechargeable
- Capsules + grounds
- Bag-sized
- Free US shipping · arrives in about 8–15 business days, tracking by email
- 30-day returns · damaged or faulty? We replace or refund it
- Secure checkout by Stripe
Description
A full-size espresso ritual that fits in your bag. OneStow heats the water, builds pressure and extracts a 60 ml shot — no outlet, no kettle, no café line.
Use whatever coffee you like: small capsules, large capsules or your own ground coffee. Swap adapters in seconds and the built-in cup catches every drop.
Specifications
| Water capacity | 60 ml (2 fl oz) |
|---|---|
| Dimensions | 83.5 × 245.5 mm (3.3 × 9.7 in) |
| Battery | 3 × 18650 cells, 2500 mAh each |
| Charging | USB-C, about 3–4 hours |
| Brews per charge | Up to ~4 heated or ~50 with pre-heated water (manufacturer figure) |
| Extraction time | About 60 seconds |
| Rated power | 72 W |
| Rated voltage | 12 V |
| Coffee types | Small capsules, large capsules, ground coffee |
| Model | KF-JN-02 |
What's in the Box
- Portable espresso maker with built-in cup
- Small-capsule adapter
- Large-capsule holder
- Ground-coffee basket with lid
- USB-C charging cable
- User manual
Compatibility
Small capsules
Original-line size aluminum or compostable capsules, used with the small-capsule adapter.
Large capsules
Larger pod-style capsules, placed in the large-capsule holder.
Ground coffee
Fine, espresso-grind coffee in the included basket. Tamp lightly for a richer shot.
How to Use
- Load a capsule or ground coffee into the matching adapter.
- Pour up to 60 ml of water into the tank and close the lid.
- Heat & Brew: cold or room-temperature water — double-click the button. Brews automatically once the water is hot.
- Instant Brew: hot water — press and hold for 2 seconds. Starts extracting right away.
Shipping
We ship within the United States. Orders ship in 1–3 business days and then take 7–12 business days in transit (about 8–15 business days in total). Shipping is free. You'll receive a tracking number by email as soon as your order ships.