---
title: "18.5 Inch Portable Monitor — £80K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/computers-accessories/18-5-inch-portable-monitor"
last_updated: "2026-07-31T11:40:18.799Z"
locale: en
meta:
description: "Niche score 43/100 · £80K/yr market · 24K searches/yr · £126.74 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 43/100 · £80K/yr market · 24K searches/yr · £126.74 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "18.5 Inch Portable Monitor — £80K/yr Amazon UK Niche (2026) - Flapen"
---
# **18.5 inch portable monitor**
**Skip it**
Soft demand (-27.9% this quarter) — this niche doesn't clear our bar today.
Market size 20Growth 11Conversion 33Competition 76Returns 40Price range 28Avg price 66Brand share 79Review moat 49Quality gap 43
**Brand share**
**Great****56%**
top-5 brand share — no brand owns this niche
**Competition**
**Great****39%**
top-5 click share — an open shelf
**Avg price**
**Good****£126.74**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****1,642.45**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Returns**
**Okay****3.8%**
return rate — above 5% kills the launch gate
**Conversion**
**Okay****2.7%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Okay****£52.80–£220.23**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Bad****£80K**
£80K/yr · 24K searches
**Growth**
**Bad****-27.9%**
90-day search growth — must beat 0% to launch
**Signals**[** High Price**](https://flapen.com/research/niches?market=uk&signal=high_price "Avg price > $50")
According to Flapen's Amazon United Kingdom niche tracking, 18.5 inch portable monitor is a £80K/yr Amazon United Kingdom market (24K searches/yr). The top 5 brands hold 56% of demand. Verdict: Skip it — 43/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **18.5 inch portable monitor market data**
- **Units sold / yr**
- **250–500**
- avg 0–100/product
- **Revenue / yr**
- **£32K–£63K**
- units × avg price
- **Conversion rate**
- **2.7%**
- **Avg BSR**
- **#288**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **13.7%**
- **Avg brand age**
- **22 months**
- **Avg seller age**
- **161 days**
## **Competition & brand share**
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.
**Brands**
**17 **▲rising
**Sellers**
**28**
**Top-5 brand share**
**56%**
Top 20: 100%
**Top-5 click share**
**39%**
Top 20: 87%
**Open market**
**36%**
- UPERFECT23% - EVICIV9% - MOMODS9% - COOLHOOD8% - Yodoit8% - CUIUIC7%
## **Demand**
Weekly Amazon search volume, last 23 weeks — -27.9% search growth over the last 90 days.
500300Spike '26Feb '26Mar '26Mar '26Apr '26May '26May '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/uk/computers-accessories/18-5-inch-portable-monitor/trend)
## **Top 18.5 inch portable monitor search terms**
- **18.5 inch portable monitor**7K/yr-37.6%2.3% conv. - **large portable monitor**5K/yr-23.5%0.9% conv. - **18 inch portable monitor**4K/yr+7.7%2.1% conv. - **portable monitor 20 inch**4K/yr-24.0%0.9% conv. - **portable monitor 18 inch**4K/yr-48.6%1.5% conv. [**All search terms **](https://flapen.com/research/uk/computers-accessories/18-5-inch-portable-monitor/search-terms)
## **Top 18.5 inch portable monitor products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%3%£2K6%£5K9%£7K12%£10K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**UPERFECT Portable Monitor 18.5 inch 120HZ 125% sRGB w/VESA & Kickstand**UPERFECT**£123.60**4.5★1,751 rev](https://www.amazon.co.uk/dp/B0FV8K6C9R) [2**MOMODS 18.5 Inch Portable Monitor - 120Hz 1080P FHD Portable Gaming Monitor Second Screen for Laptop with IPS HDR USB-C & HDMI Travel Monitor with Speaker VESA Compatible**MOMODS**£113.37**4.4★621 rev](https://www.amazon.co.uk/dp/B0FPQ7F25Q) [3**Yodoit 18.5 100Hz Portable Monitor FHD 1920x1080P IPS Second External Display Laptop Screen Extender | USB-C & HDMI Connectivity Built-in Speakers with Kickstand for Laptop PC Mac PS3/4/5 Xbox**Yodoit**£91.90**4.3★7,138 rev](https://www.amazon.co.uk/dp/B0FG7ZX152) [4**CUIUIC 18.5 Inch Portable Monitor 120Hz 1080P IPS Portable Screen for Laptop Travel Monitor with HDR 100% sRGB VESA Second Screen for Laptop PS5 Xbox Phone**CUIUIC**£123.02**4.3★2,493 rev](https://www.amazon.co.uk/dp/B0C5C4XX5F) [5**cocopar Portable Monitor 18.5 Inch 1080P FHD 100Hz 120% sRGB Travel Monitor with Speaker HDMI USB-C Second Screen for Laptop MacBook Surface PC Xbox PS4/5 VESA Mountable with KickStand**cocopar**£122.49**4.8★2,845 rev](https://www.amazon.co.uk/dp/B0DT6TJLWN)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Blackview 24 Large Portable Monitor 100Hz for Work Home Office Game 1080P FHD IPS Laptop Screen Extender with Rotating Stand & VESA USB-C HDMI Plug-Play for Mac/Windows/PS/Switch/Xbox**Blackview**£218.12**6 rev3mo ago](https://www.amazon.co.uk/dp/B0GTQR4HTV) [**VisionOwl Large Portable Monitor 18.5 Inch 1080P FHD 100Hz Laptop Monitor 125% sRGB HDMI USB-C Portable Screen for Laptop Mac Surface PC PS5 Xbox Built-in Kickstand & Speakers VESA Mountable**VisionOwl**£117.31**1,237 rev5mo ago](https://www.amazon.co.uk/dp/B0G13G19L2) [**Showscren 21.5 Inch Portable Monitor 1080P FHD Large Screen External Display VESA Mountable HDMI USB-C Portable Second Screen for Work Gaming Travel Laptop PC Phone PS5 Xbox**Showscren**£79.80**10 rev6mo ago](https://www.amazon.co.uk/dp/B0GGH7XL77) [**Kenowa 2K USB-C Portable Monitor 23.8 inch QHD 2560x1440P FreeSync Large Gaming Monitor Dual Speakers&Adjustable stand&VESA with Type-C/HDMI port External Second Screen for PC/Mac/Laptop/Phone/PS3/4**Kenowa**£136.97**2 rev7mo ago](https://www.amazon.co.uk/dp/B0G7SHPPKY) [**EVICIV 21.5 100Hz QLED Portable Monitor 130% sRGB 400Nits HDR Freesync Travel Gaming Second Screen w/VESA USB-C HDMI OTG External Display Compatible with PS5/Xbox/Switch/Steam Deck/Laptop/PC/Phone**EVICIV**£144.11**276 rev8mo ago](https://www.amazon.co.uk/dp/B0G1SV89VJ)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Showscren 21.5 Inch Portable Monitor 1080P FHD Large Screen External Display VESA Mountable HDMI USB-C Portable Second Screen for Work Gaming Travel Laptop PC Phone PS5 Xbox**Showscren**£79.80**4.1★**▲ 328%**](https://www.amazon.co.uk/dp/B0GGH7XL77) [**Blackview 24 Large Portable Monitor 100Hz for Work Home Office Game 1080P FHD IPS Laptop Screen Extender with Rotating Stand & VESA USB-C HDMI Plug-Play for Mac/Windows/PS/Switch/Xbox**Blackview**£218.12**5.0★**▲ 301%**](https://www.amazon.co.uk/dp/B0GTQR4HTV) [**EVICIV 21.5 100Hz QLED Portable Monitor 130% sRGB 400Nits HDR Freesync Travel Gaming Second Screen w/VESA USB-C HDMI OTG External Display Compatible with PS5/Xbox/Switch/Steam Deck/Laptop/PC/Phone**EVICIV**£144.11**4.5★**▲ 257%**](https://www.amazon.co.uk/dp/B0G1SV89VJ) [**Yodoit 18.5 100Hz Portable Monitor FHD 1920x1080P IPS Second External Display Laptop Screen Extender | USB-C & HDMI Connectivity Built-in Speakers with Kickstand for Laptop PC Mac PS3/4/5 Xbox**Yodoit**£91.90**4.3★**▲ 252%**](https://www.amazon.co.uk/dp/B0FG7ZX152) [**VisionOwl Large Portable Monitor 18.5 Inch 1080P FHD 100Hz Laptop Monitor 125% sRGB HDMI USB-C Portable Screen for Laptop Mac Surface PC PS5 Xbox Built-in Kickstand & Speakers VESA Mountable**VisionOwl**£117.31**4.8★**▲ 247%**](https://www.amazon.co.uk/dp/B0G13G19L2)
**~~View all trending →~~**
## **What buyers say about 18.5 inch portable monitor**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Display Resolution**14%
*“Screen is perfect”*
**Portability**14%
*“Light and portable”*
**Quality-Overall**13%
*“Excellent product”*
**Value For Money**12%
*“Excellent value for money”*
**Weight Light**8%
*“Good clear screen and lightweight”*
**Assembly/Installation**6%
*“Very easy to install”*
**Ease Of Use**4%
*“easy to operate”*
**Connectivity-Overall**3%
*“Easy to connect up”*
**Size-Overall**3%
*“Good size for on the go”*
**Display Brightness**3%
*“Brightness can be adjusted easily”*
### **What buyers complain about **
**Quality-Overall**8%
*“Not the best quality”*
**Durability**6%
*“Broke really easily and quickly”*
**Touch Screen**5%
*“the screen is broken”*
**Audio Quality**5%
*“Speakers are a bit tinny”*
**Compatibility-Overall**5%
*“Doesnt work with different cables”*
**Connectivity-Overall**4%
*“Connection was unstable”*
**Touch/Button Controls**4%
*“Recently had an issue with one of the buttons”*
**Brightness/Shine/Glow**3%
*“Low brightness”*
**Display Resolution**2%
*“Poor screen quality”*
**Product Condition**2%
*“Looked like a repackaged return”*
### **Top return reasons **
**Size-Overall**15%
**Compatibility-Overall**14%
**Connectivity-Overall**10%
**Functionality-Overall**9%
**Touch Screen**6%
**Quality-Overall**5%
**Display Resolution**5%
**Display Brightness**4%
**Brightness/Shine/Glow**4%
**Defective Material/Parts**2%
## **Common questions**
- **Is 18.5 inch portable monitor profitable to sell on Amazon United Kingdom?**
- The niche generates £80K/yr across 33 tracked products. 7 of 14 products launched in the last 360 days are still selling. 90-day search growth is -27.9%. Flapen's verdict: Skip it (43/100).
- **How competitive is the 18.5 inch portable monitor niche?**
- 17 brands and 28 sellers compete. The top 5 products take 39% of clicks and top 5 brands hold 56% of demand.
- **What do buyers complain about in 18.5 inch portable monitor?**
- Top complaints mined from reviews: Quality-Overall, Durability, Touch Screen. The return rate is 3.8%.
- **What does it cost to enter the 18.5 inch portable monitor niche?**
- Listings span £52.80–£220.23; the average listing price is £126.74 (sweet spot $15–$100). The average incumbent carries 1,642 reviews — the moat a new listing must climb.
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