📝 OutIn Nano Portable Electric Espresso Maker Review
The OutIn Nano brings automation to portable espresso, with self-heating and an electric pump. In this review, we test whether convenience compromises quality — or delivers a true all-in-one travel espresso solution.
⚙️ Key Specifications
🔋 Pressure: 20 bar
⏱️ Heating Time: ~200 seconds (from cold water)
🔌 Battery: 7,500 mAh — multiple shots per charge
⚖️ Weight: ~670 g (heavier than manual units)
🎯 Brewing Modes: Supports ground coffee + capsules
🔥 Performance & User Experience
🌡️ Heating & Brewing
The OutIn Nano heats cold water to brewing temperature in ~200 seconds — no kettle required. Its 20 bar pump delivers strong extraction with a solid crema.
🔋 Battery & Shots
On a full charge, it can pull several shots from cold water, and many more if preheated water is used. Some users reported slight battery capacity drops over time.
🎛️ Design & Ease of Use
A single-button interface makes brewing simple. Despite packing in a heater, pump, and battery, it remains compact and portable. Build quality feels solid but slightly more complex than manual devices.
👍 Pros
Heats water internally (no kettle needed)
Electric pump — zero manual effort
Works with both grounds & capsules
True all-in-one travel espresso maker
👎 Cons
Heavier than manual espresso makers
Limited shots per charge on long trips
More electronic parts = more failure points
Espresso quality still below high-end home machines
💬 Social Proof for OutIn Nano
✅ Food & Wine: “The OutIn Nano portable electric espresso machine delivers an impressive 20 bars of pressure to pull excellent shots with noticeable crema. It’s the size of a water bottle and can make espresso anywhere.”
✅ Coffee Chronicler: “With its user-friendly pump-driven operation and self-heating capability, it offers a level of convenience and flexibility that sets it apart from the crowd.”
✅ Julia’s Bookcase: “I particularly loved that the machine is self-heating, meaning you don’t need access to a kettle … you can brew coffee absolutely anywhere.”
⭐ Amazon Verified Buyer (4.5/5): “It’s incredibly easy to use, makes good tasting coffee, easy to clean, and so nicely convenient when you’re out and don’t want to have to hunt down the nearest Starbucks.”
❓ FAQ
Q1: Can the OutIn Nano use both ground coffee and capsules?
👉 Yes, it supports ground coffee and most Nespresso-style capsules.
Q2: How many shots can one full battery charge make?
👉 Around 3–4 shots with cold water; more if using preheated water.
Q3: How long does it take to heat water?
👉 About 200 seconds (just over 3 minutes) from cold water.
Q4: Is it heavier than manual espresso makers?
👉 Yes, at ~670 g it’s heavier than the Nanopresso (~336 g), but you save carrying a kettle.
🎯 Verdict
The OutIn Nano is ideal for travelers who want maximum convenience. If you don’t want to pump manually and prefer an all-in-one brewing + heating solution, this is worth the higher price tag. However, if weight and simplicity matter most, a manual option like the Nanopresso may suit you better.
Read Full Comparison: Portable Espresso — Manual vs ElectricSee how OutIn Nano stacks up against AeroPress and Nanopresso → Portable Espresso Maker Comparison