---
title: "19v Dc Power Supply — $52K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/19v-dc-power-supply"
last_updated: "2026-08-11T03:36:56.182Z"
locale: en
meta:
description: "Niche score 35/100 · $52K/yr market · 57K searches/yr · $15.43 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $52K/yr market · 57K searches/yr · $15.43 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "19v Dc Power Supply — $52K/yr Amazon US Niche (2026) - Flapen"
---
# **19v dc power supply**
**Skip it**
A small market ($52K/yr) — this niche doesn't clear our bar today.
Market size 13Growth 23Conversion 66Competition 18Returns 21Price range 66Avg price 76Brand share 42Review moat 54Quality gap 43
**Avg price**
**Great****$15.43**
avg listing price — sweet spot $15–$100
**Conversion**
**Good****5.9%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$9.83–$25.20**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,331.08**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Growth**
**Bad****-3.2%**
90-day search growth — must beat 0% to launch
**Returns**
**Bad****6.0%**
return rate — above 5% kills the launch gate
**Competition**
**Bad****78%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$52K**
$52K/yr · 57K searches
**Signals**[** High Returns**](https://flapen.com/research/niches?market=us&signal=high_returns "Return rate > 5%")
According to Flapen's Amazon United States niche tracking, 19v dc power supply is a $52K/yr Amazon United States market (57K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 35/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **19v dc power supply market data**
- **Units sold / yr**
- **4K–5K**
- avg 250–500/product
- **Revenue / yr**
- **$62K–$77K**
- units × avg price
- **Conversion rate**
- **5.9%**
- **Avg BSR**
- **#23**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **85%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **45 months**
- **Avg seller age**
- **233 days**
## **Competition & brand share**
The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **▲rising
**Sellers**
**15**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**78%**
Top 20: 100%
**Open market**
**16%**
- vhbw28% - Iretod22% - GELINTO13% - ActZone10% - Mareisa6% - SHNITPWR4% - Open — no brand owns it (6 brands, 16%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -3.2% search growth over the last 90 days.
1K750Holiday '24Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/electronics/19v-dc-power-supply/trend)
## **Top 19v dc power supply search terms**
- **19v dc power supply**29K/yr-4.7%6.2% conv. - **19v power supply**9K/yr+2.0%3.1% conv. - **dc 19v power cord**8K/yr-7.9%9.9% conv. - **19 volt dc power supply**6K/yr+10.0%6.0% conv. - **dc in 19v power cord**5K/yr-9.3%10.5% conv. [**All search terms **](https://flapen.com/research/us/electronics/19v-dc-power-supply/search-terms)
## **Top 19v dc power supply 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%10%$5K20%$10K30%$16K40%$21K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 13 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Replacment for LG Monitor Power Cord 19V DC Power Supply for LG Electronics 27 24 23 22 20 19 LCD LED HD TV Monitor Widescreen Power Adapter Cord**vhbw**$17.85**4.5★1,486 rev](https://www.amazon.com/dp/B08CC3JV2B) [2**Replacment for LG Monitor Power Cord - DC 19V Power Supply for LG Electronics 27 24 23 22 20 19 LCD LED HD TV Monitor Widescreen Power Adapter Cord(6.5 * 4.4mm)**Iretod**$9.83**4.6★312 rev](https://www.amazon.com/dp/B0D66D2123) [3**DC 19V Power Cord for Samsung TV Monitor 32 UN32J4000 J4500 J5003 J5205 J525D UN32J4000AF UN32J5003 A4819-FDY LED LCD Monitor**GELINTO**$14.09**4.8★242 rev](https://www.amazon.com/dp/B0CX8Y71YJ) [4**DC 19V Power Cord for 19 20 22 23 24 27 inch TV Monitor 24M47H-P 24MP55HQ**ActZone**$11.73**4.6★1,612 rev](https://www.amazon.com/dp/B08HS1BZ3V) [5**19V DC Power Supply 19V 3.42A Power Adapter 65W 45W with 10tips**Mareisa**$18.58**4.7★165 rev](https://www.amazon.com/dp/B0DZ5LP272)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**19V 6.3A 120W Power Cord Charger Adapter for Intel NUC 13 10 14 12 11 Pro Kit Mini NUC10i7FNH Power Supply Replacement PERFEIDY**PERFEIDY**$25.20**26 rev1y ago](https://www.amazon.com/dp/B0FGXNKKJW) [**19V DC Power Supply 19V 3.42A Power Adapter 65W 45W with 10tips**Mareisa**$18.58**165 rev1y ago](https://www.amazon.com/dp/B0DZ5LP272) [**19V DC Power Supply with 10 Interchangeable Jacks Universal Adapter**XHUCHINMAL**$10.00**38 rev1y ago](https://www.amazon.com/dp/B0D7C74GSC) [**19V DC Supply for LG Monitor LCD LED HD TV Widescreen Power Adapter Cord**Jippofu**$11.41**29 rev1y ago](https://www.amazon.com/dp/B0D6RHMYBC) [**Replacment for LG Monitor Power Cord - DC 19V Power Supply for LG Electronics 27 24 23 22 20 19 LCD LED HD TV Monitor Widescreen Power Adapter Cord(6.5 * 4.4mm)**Iretod**$9.83**312 rev2y ago](https://www.amazon.com/dp/B0D66D2123)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**19V DC Supply for LG Monitor LCD LED HD TV Widescreen Power Adapter Cord**Jippofu**$11.41**4.3★**▲ 143%**](https://www.amazon.com/dp/B0D6RHMYBC) [**DC 19V Power Cord for Samsung TV Monitor 32 UN32J4000 J4500 J5003 J5205 J525D UN32J4000AF UN32J5003 A4819-FDY LED LCD Monitor**GELINTO**$14.09**4.8★**▲ 124%**](https://www.amazon.com/dp/B0CX8Y71YJ) [**19V 6.3A 120W Power Cord Charger Adapter for Intel NUC 13 10 14 12 11 Pro Kit Mini NUC10i7FNH Power Supply Replacement PERFEIDY**PERFEIDY**$25.20**4.7★**▲ 81%**](https://www.amazon.com/dp/B0FGXNKKJW) [**ZOZO 90W AC Universal Laptop Charger for HP Dell Gateway Toshiba Lenovo Acer Asus Samsung Sony Fujitsu Notebook Ultrabook Chromebook DC 12V 16V 18.5V 19V 19.5V 20V Power Adapter Supply Cord**ZOZO**$21.67**4.5★**▲ 61%**](https://www.amazon.com/dp/B0132ST35Y) [**Replacment for LG Monitor Power Cord - DC 19V Power Supply for LG Electronics 27 24 23 22 20 19 LCD LED HD TV Monitor Widescreen Power Adapter Cord(6.5 * 4.4mm)**Iretod**$9.83**4.6★**▲ 49%**](https://www.amazon.com/dp/B0D66D2123)
**~~View all trending →~~**
## **What buyers say about 19v dc power supply**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Advertised Vs Actual Product**23%
*“As advertised”*
**Compatibility-Overall**12%
*“Compatability”*
**Value For Money**10%
*“It's extremely affordable”*
**Charging**9%
*“Great Charger”*
**Quality-Overall**8%
*“The build quality feels solid”*
**Size-Overall**8%
*“Fits perfectly with my laptop”*
**Functionality-Overall**5%
*“functional”*
**Socket/Port/Plug**5%
*“It was easy to set up—just plug and play”*
**Ease Of Use**2%
*“Handy”*
**Flexibility**2%
*“Very versatile”*
### **What buyers complain about **
**Compatibility-Overall**17%
*“my typical computer power cord didn't work with it”*
**Size-Overall**11%
*“it still would not fit”*
**Heating**10%
*“then began overheating a LOT”*
**Charging**9%
*“Wrong charger”*
**Quality-Overall**8%
*“It does feel a little cheap”*
**Functionality-Overall**6%
*“Doesn't work”*
**Durability**5%
*“This thing did not last at all”*
**Socket/Port/Plug**4%
*“The biggest worry with third-party adapters is usually the connector tip fitting loosely”*
**Touch/Button Controls**3%
*“The knob can barely be touch”*
**Add-Ons/Attachments**3%
*“zero power and attachments don't fit”*
### **Top return reasons **
**Size-Overall**34%
**Compatibility-Overall**30%
**Functionality-Overall**9%
**Charging**8%
**Connectivity-Overall**5%
**Defective Material/Parts**3%
**Advertised Vs Actual Product**3%
**Socket/Port/Plug**3%
**Value For Money**2%
**Amplification**1%
## **Common questions**
- **Is 19v dc power supply profitable to sell on Amazon United States?**
- The niche generates $52K/yr across 13 tracked products. 90-day search growth is -3.2%. Flapen's verdict: Skip it (35/100).
- **How competitive is the 19v dc power supply niche?**
- 12 brands and 15 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in 19v dc power supply?**
- Top complaints mined from reviews: Compatibility-Overall, Size-Overall, Heating. The return rate is 6.0% — above our launch gate.
- **When does demand for 19v dc power supply peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the 19v dc power supply niche?**
- Listings span $9.83–$25.20; the average listing price is $15.43 (sweet spot $15–$100). The average incumbent carries 1,331 reviews — the moat a new listing must climb.
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