At a glance
Pressure
20 bar pump for dense espresso with real crema
Self-heating
Warms 50 ml of cold water in roughly 200 seconds
Battery
2,500 mAh; up to 5 cold-water brews or 200+ with hot water
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Coffee MachineOutin Nano Portable Espresso Machine - Space Grey
€149.99
At a glance
Pressure
20 bar pump for dense espresso with real crema
Self-heating
Warms 50 ml of cold water in roughly 200 seconds
Battery
2,500 mAh; up to 5 cold-water brews or 200+ with hot water
Outin Nano Portable Espresso Machine
The Outin Nano in Space Grey is a 670 g self-heating espresso machine that pulls 20-bar shots from ground coffee or Nespresso Original capsules wherever you happen to be.
The Nano is Outin's portable espresso machine, here in the understated Space Grey finish. It weighs 670 g, runs on a rechargeable 2,500 mAh battery and heats its own water, so it suits campers, commuters and hotel-room baristas who refuse to settle for instant. Everything it needs, including the cup, screws together into one bottle-sized unit.
The standout is the self-heating system. Pour in cold water, press the button, and roughly 200 seconds later the Nano is at up to 92°C and driving water through your grounds at 20 bar. On a full charge that works up to five times with room-temperature water, or more than 200 shots if you start with hot water.
Ideal For
Battery power and a self-heating tank mean no stove, kettle or mains hook-up. Fill it from a flask or bottle and the Nano handles the rest, delivering up to five cold-water brews per charge.
At 670 g it disappears into hand luggage, and the USB-C port charges from the same kind of charger as your phone. Hotel kettle water stretches a single charge past 200 shots.
Households split between fresh grounds and Nespresso Original capsules need just one machine. The included adapter takes capsules without piercing, while the filter basket handles espresso-grade grounds with the supplied spoon.
Key Features
The pump drives water through the coffee at up to 20 bar, the pressure behind a dense, syrupy shot topped with proper crema.
Add room-temperature water and the Nano brings 50 ml up to extraction heat in roughly 200 seconds by itself. No kettle, no stove, no compromise.
Water reaches up to 92°C before it touches the coffee, keeping extraction in the range espresso needs rather than the lukewarm middle ground.
A full charge delivers up to five self-heated brews from cold water, or more than 200 shots when you start with hot water.
Espresso-grade grounds go in the filter basket; Nespresso Original capsules drop into the included adapter with no piercing required. One machine, both habits.
It recharges over USB-C from a 10 W or stronger charger, and works with 12 V and 24 V car chargers on longer drives.
Espresso without a kitchen behind it
Most compact espresso makers still need boiling water from somewhere, which quietly ties them to a kitchen. The Nano carries its own heat. Fill the 80 ml tank, press the button and the battery warms 50 ml of cold water to brewing temperature in around 200 seconds, then extracts at 20 bar. That makes the machine genuinely self-contained: water bottle in one hand, Nano in the other, espresso a few minutes later.
Grounds one day, capsules the next
The Nano refuses to pick a side in the grounds-versus-capsules debate. The supplied filter basket takes espresso-grade ground coffee for people who weigh and tamp; the capsule adapter takes Nespresso Original pods, no piercing needed, for the mornings when convenience wins. Swapping between them is a matter of fitting a different holder, so a weekend away can start on freshly ground beans and finish on the emergency capsule stash.
Managing the battery on longer trips
The 2,500 mAh battery is the part worth understanding before you rely on it. Starting from cold water, it will self-heat and pull up to five shots on a full charge, because heating is where the energy goes. Start with hot water from a kettle or flask instead and the same charge stretches past 200 extractions. Recharging happens over USB-C from any 10 W or stronger charger, with Outin recommending a 5 V/3 A plug, and 12 V and 24 V car chargers work too, which suits road trips down to the ground.
How It Compares
| Coffee Need | Outin Technology | Practical Benefit |
|---|---|---|
| Espresso at the campsite | Self-heating 2,500 mAh battery | Heats cold water to brewing temperature by itself, so no stove or kettle is needed at the pitch |
| Hotel-room brew | Hot-water brewing mode | Kettle water skips the heating cycle, stretching one charge beyond 200 shots across a long trip |
| Proper crema | 20 bar pump pressure | Drives water through the coffee hard enough for a dense, concentrated shot with genuine crema |
| Capsule convenience | Nespresso Original adapter | The included adapter takes Original capsules without piercing, for quick shots with no grinder or mess |
| Packing light | 670 g one-piece design | Machine, cup and brewing parts pack into one bottle-sized unit that slips into a rucksack pocket |
| Charging on the road | USB-C plus car chargers | Tops up from a phone-style 10 W or stronger charger, or directly from 12 V and 24 V sockets |
Specifications
| Brand | Outin |
| Model | OTEM-01-SG (Nano) |
| Type | Portable self-heating espresso machine |
| Colour | Space Grey |
| Pump pressure | 20 bar |
| Brewing temperature | Up to 92°C |
| Self-heating time | Approx. 200 seconds (50 ml room-temperature water) |
| Water tank capacity | 80 ml maximum marking; 50 ml recommended for best crema |
| Coffee compatibility | Ground coffee and Nespresso Original capsules (adapter included, no piercing needed) |
| Battery | 2,500 mAh rechargeable |
| Brews per charge | Up to 5 with room-temperature water; 200+ with hot water |
| Charging | USB-C; 5 V USB charger of at least 10 W (Outin recommends 5 V/3 A); works with 12 V/24 V car chargers |
| Materials | Food-grade stainless steel and ABS plastic |
| Weight | 670 g |
| Warranty | 12 months |
The Verdict
Strengths
- Self-heats cold water in around 200 seconds
- 20 bar pump for genuine crema
- Brews ground coffee and Nespresso Original capsules
- 670 g and fully self-contained, cup included
- Over 200 hot-water shots per charge
- USB-C charging, car-charger compatible
- Extraction at up to 92°C
Considerations
- Capacity is single-shot: the tank tops out at 80 ml and Outin recommends a 50 ml pour for the best crema.
- Cold-water brewing is limited to about five shots per charge; plan on using hot water for longer trips.
- It needs a 10 W or stronger USB charger, and airline rules mean carry-on transport only with no use in flight.
What's in the Box
- Outin Nano portable espresso machine x1
- Coffee cup x1
- Capsule adapter x1
- Ground coffee filter basket x1
- Ground coffee spoon x1
- USB Type-C cable x1
Compare Similar Models
| Specification | Outin Nano Portable Espresso Machine - Space Grey | Tassimo My Way 2 Black Coffee Machine | De'Longhi Stilosa Traditional Pump Espresso Coffee Machine | Magimix Nespresso Vertuo Coffee Machine |
|---|
Recommended for your coffee machine
Great accessories to pair with your coffee machine.
Complete your kitchen setup
Select useful accessories to complete your setup.
Coffee MachineOutin Nano Portable Espresso Machine - Space Grey
€149.99
At a glance
Pressure
20 bar pump for dense espresso with real crema
Self-heating
Warms 50 ml of cold water in roughly 200 seconds
Battery
2,500 mAh; up to 5 cold-water brews or 200+ with hot water
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Why you’ll love it
The Outin Nano in Space Grey is a 670 g self-heating espresso machine that pulls 20-bar shots from ground coffee or Nespresso Original capsules wherever you happen to be.
- Self-heats cold water in around 200 seconds
- 20 bar pump for genuine crema
- Brews ground coffee and Nespresso Original capsules
- 670 g and fully self-contained, cup included
- Over 200 hot-water shots per charge