PUSOKEI Triple Portable Monitor for Laptop, 15" FHD 1080P IPS Screen Laptop Screen Extender Dual Monitor Extender for Most Mainstream 15‑17" Laptops, Plug and Play(Space Gray)

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The final significant factor is brightness. If you plan to use your portable display outside, you want as much of that as humanly possible. Most are limited, only topping out at a little over 200 nits. Aim for the brightest you can get while considering that more glowing screens will use up even more battery when powered by your laptop. How we tested these portable monitors These foldable stands often double as protective covers for the display when it's not in use. Some protect just the front of the monitor, while others are larger, wraparound covers that sandwich the entire monitor.

Portable monitors are usually 14in-17in in size (that’s measured diagonally across the screen). You might want to match the screen size to that of your laptop/tablet, if you’re using one, but otherwise it’s just a question of budget and requirements. Even 17in is small enough to work on the go, however. What other specifications should I look out for?The LG Gram line is known for its super-lightweight nature, and you can expect the same from this portable monitor, sitting at only 1.45 pounds for a 16-inch display. It’s, in fact, lighter than many of the smaller options on this list. Naturally, it works beautifully with the MacBooks, especially with its two USB-C ports. And while its color accuracy isn’t anything to write home about, it does offer DCI-P3 99% color gamut, which is a nice concession. Key specs – Screen size: 15.6in; Resolution: 1,920 x 1,080; Screen technology: IPS; Video inputs: USB-C; Refresh rate: 60Hz; Weight: 824g The use of multiple monitors can help some users become more productive. It’s often because they can get all the necessary information without switching between various programs or tabs. You may benefit from an extra monitor if you work with data or conduct research.

Many users prefer to use a mobile monitor that has the same screen size and native resolution as the laptop screen they are using it with. That said, I have found these panels to be forgiving and have had no trouble running portable displays that are slightly larger than my laptop's own screen. As long as you don't mismatch the mobile monitor's and laptop's screen aspect ratio (which, almost always, is a normal 16:9 widescreen ratio), you are unlikely to experience much trouble in matching them up.Sometimes double the screen real estate is not enough, and that’s where the Oiiwak Triple portable monitor comes in. The name is confusing, as it doesn’t actually have three screens – it just gives you two more for that triple-display setup. Offering two 14-inch 16:10 screens attached to an aluminum alloy tray, it is the perfect companion to anyone who just can’t get enough space for their digital workflow.

For most mainstream Windows PCs, that should be fine. For everything else, it could be more problematic. Running over USB-A can also limit resolution and color fidelity due to lower bandwidth. That said, some portable monitors support micro HDMI and even VGA. As with the Asus, don’t expect professional-grade colour accuracy here. The screen only covers 52.9% of the sRGB colour gamut and peak brightness is a mere 203cd/m². However, images look punchy and crisp and it does the job in an unfussy way.This 17.3-inch 4K model from Intehill is a bit of a unicorn as there just aren’t a lot of portable monitors at this size with this resolution. Thankfully, it’s also a good looking one. Just be aware that you’ll have to spend a hefty sum for this larger display as well as buy a PSU separately, that is unless you have a Thunderbolt port which can fully power it. The magnetic folio case (which covers the screen and a portion of the rear when closed) doubles as a stand that can be angled at either 105° or 120°. This monitor can also be propped either horizontally or vertically, although you’ll need to install the LG OnScreen Control app to access vertical orientation mode. While we haven’t reviewed it here at TechRadar just yet, one of our Computing editors has already put this display through its paces, and it truly does deserve to be on every top portable monitors list. To start, it comes with a built-in battery that can last up to three and a half hours on a single charge. That alone is pretty impressive. But, it also comes with wireless connectivity, though it only functions through screen mirroring. In terms of performance, you’ll be hard-pressed to complain. It’s got 100% DCI-P3 color gamut and a color accuracy of Delta E < 2, delivering excellent color performance. It also has a bright panel, topping at 360 nits, so you won’t have to squint through your eight-hour workday – although we wish the display itself isn’t so glossy and prone to annoying reflections.

Like many portable monitors, the Acer PM161Q isn’t much to look at, but this one happens to deliver where it counts. It connects to your devices via USB-C and has a micro-USB port for additional power delivery if you’re connecting to an older phone. Both cables are included in the box alongside a USB-A power adapter.Using multiple monitors while working from home provides a wider field of view during meetings, facilitating a more immersive experience. #3. Increased Productivity A few older portable-display models draw their power from a laptop over a separate USB 3.0 connection, but USB-C is well on its way to making this kind of connection passé. Refresh rate: This is unimportant for portable monitors (as you won’t be gaming on them) but you should expect a refresh rate of 60Hz.