19v dc power supply
Skip itA small market ($52K/yr) — this niche doesn't clear our bar today.
Avg price
Great$15.43avg listing price — sweet spot $15–$100
Conversion
Good5.9%search→purchase rate — share of searches ending in a sale
Price range
Good$9.83–$25.20cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good1,331.08avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Growth
Bad-3.2%90-day search growth — must beat 0% to launch
Returns
Bad6.0%return rate — above 5% kills the launch gate
Competition
Bad78%top-5 click share — a locked-up shelf
Market size
Bad$52K$52K/yr · 57K searches
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
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.No pronounced peak months · busiest ÷ quietest = 1.3×
Top 19v dc power supply search terms
- 19v dc power supply29K/yr
- 19v power supply9K/yr
- dc 19v power cord8K/yr
- 19 volt dc power supply6K/yr
- dc in 19v power cord5K/yr
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.
All 13 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$17.854.5★1,486 rev
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$9.834.6★312 rev
DC 19V Power Cord for Samsung TV Monitor 32 UN32J4000 J4500 J5003 J5205 J525D UN32J4000AF UN32J5003 A4819-FDY LED LCD Monitor
GELINTO$14.094.8★242 rev
DC 19V Power Cord for 19 20 22 23 24 27 inch TV Monitor 24M47H-P 24MP55HQ
ActZone$11.734.6★1,612 rev
19V DC Power Supply 19V 3.42A Power Adapter 65W 45W with 10tips
Mareisa$18.584.7★165 rev
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$25.2026 rev
19V DC Power Supply 19V 3.42A Power Adapter 65W 45W with 10tips
Mareisa$18.58165 rev
19V DC Power Supply with 10 Interchangeable Jacks Universal Adapter
XHUCHINMAL$10.0038 rev
19V DC Supply for LG Monitor LCD LED HD TV Widescreen Power Adapter Cord
Jippofu$11.4129 rev
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$9.83312 rev
Trending
90-day click momentum19V DC Supply for LG Monitor LCD LED HD TV Widescreen Power Adapter Cord
Jippofu$11.414.3★
DC 19V Power Cord for Samsung TV Monitor 32 UN32J4000 J4500 J5003 J5205 J525D UN32J4000AF UN32J5003 A4819-FDY LED LCD Monitor
GELINTO$14.094.8★
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$25.204.7★
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$21.674.5★
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$9.834.6★
What buyers say about 19v dc power supply
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“Compatability”
“It's extremely affordable”
“Great Charger”
“The build quality feels solid”
“Fits perfectly with my laptop”
“functional”
“It was easy to set up—just plug and play”
“Handy”
“Very versatile”
What buyers complain about
“my typical computer power cord didn't work with it”
“it still would not fit”
“then began overheating a LOT”
“Wrong charger”
“It does feel a little cheap”
“Doesn't work”
“This thing did not last at all”
“The biggest worry with third-party adapters is usually the connector tip fitting loosely”
“The knob can barely be touch”
“zero power and attachments don't fit”
Top return reasons
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.