Is 12v 10a power supply profitable to sell on Amazon United States?

The niche generates $55K/yr across 19 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is -3.3%. Flapen's verdict: Skip it (49/100).

How competitive is the 12v 10a power supply niche?

17 brands and 19 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 63% of demand.

What do buyers complain about in 12v 10a power supply?

Top complaints mined from reviews: Durability, Quality-Overall, Noise Level. The return rate is 3.3%.

When does demand for 12v 10a power supply peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the 12v 10a power supply niche?

Listings span $10.79–$29.19; the average listing price is $17.80 (sweet spot $15–$100). The average incumbent carries 244 reviews — the moat a new listing must climb.

12v 10a power supply

Skip it

A small market ($55K/yr) — this niche doesn't clear our bar today.

Review moat

Great244.16

avg incumbent reviews — the moat a new listing must climb

Avg price

Great$17.80

avg listing price — sweet spot $15–$100

Price range

Great$10.79–$29.19

cheapest to priciest tracked listing — scored on the share inside $15–$100

Conversion

Good6.4%

search→purchase rate — share of searches ending in a sale

Brand share

Good63%

top-5 brand share — brands hold most of the demand

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Okay3.3%

return rate — above 5% kills the launch gate

Competition

Okay59%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-3.3%

90-day search growth — must beat 0% to launch

Market size

Bad$55K

$55K/yr · 48K searches

According to Flapen's Amazon United States niche tracking, 12v 10a power supply is a $55K/yr Amazon United States market (48K searches/yr). The top 5 brands hold 63% of demand. Verdict: Skip it — 49/100.

Data updated Jul 22, 2026 · scored weekly · How we score niches

12v 10a power supply market data

Units sold / yr: 4K–5K; avg 100–250/product
Revenue / yr: $71K–$89K; units × avg price
Conversion rate: 6.4%
Avg BSR: #487
Page quality: 0%
Prime: 100%
Sponsored: 79%
Out of stock: 3.9%
Avg brand age: 48 months
Avg seller age: 221 days

Competition & brand share

The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

Top-5 brand share

63%

Top 20: 100%

Top-5 click share

59%

Top 20: 100%

Open market

30%

ALITOVE23%
Facmogu11%
VOLUTTONIC11%
Bingotec10%
SHNITPWR8%
Generic7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.3% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top 12v 10a power supply search terms

12v 10a power supply23K/yr -1.8%6.3% conv.
12v power supply 10a8K/yr -2.4%4.5% conv.
12v 10amp power supply6K/yr -1.7%5.5% conv.
12v 10 amp power supply5K/yr -9.4%7.4% conv.
12 volt 10 amp power supply4K/yr -19.9%6.0% conv.
12v 10a3K/yr +11.9%5.1% conv.

All search terms

Top 12v 10a 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

ALITOVE 12V Power Supply 10A 120W AC Adapter 100-240V 50-60HZ Transformer AC to DC Converter 12 Volt 10 Amp with 5.5x2.5mm Output Jack for 5050 3528 LED Strip Light CCTV Cameras 3D Printer

ALITOVE$20.754.4★1,859 rev

Facmogu 12V 10A Power Supply AC to DC Adapter AC to DC Converter 100V-240V to 12V 10A 120W 12 Volts 10 Amps Power Transformer 5.5x2.5mm & 5.5x2.1mm Tip Desktop Regulated Power Adapter

Facmogu$18.244.3★388 rev

12V 10A 120W Universal Regulated Switching Power Supply 100-250V AC to 12V DC Converter LED Driver Industrial Transformer Adapter for Strip Light Lamp Radio

Bingotec$16.364.4★262 rev

12V 10A Power Supply 120W AC DC Adapter Charger 5.5x2.5mm for CCTV Cameras LED Strip Light LED Tape Light Keyboard BT Speakers GPS Webcam Router and More 12V Electronics + 8 Way Splits Cable

VOLUTTONIC$15.484.1★20 rev

SHNITPWR 12V 10A 120W DC Power Supply Adapter 100V~240V AC to DC Converter 12 Volt 10 Amp Transformer 5.5x2.5mm Tip for 5050 3528 LED Strip Light 3D Printer LED Driver CCTV Security System LCD Monitor

SHNITPWR$20.454.4★733 rev

Newest

by launch date

12V Power Supply 10A 120W AC Adapter - 100-240V to DC 12V 10Amp Converter with 5.5x2.5mm Plug for LED Strip Light CCTV Camera 3D Printer LCD Monitor & More

VOLUTTONIC$15.866 rev

2mo ago

12V 10A Power Supply 120W AC DC Adapter Charger 5.5x2.5mm for CCTV Cameras LED Strip Light LED Tape Light Keyboard BT Speakers GPS Webcam Router and More 12V Electronics + 8 Way Splits Cable

VOLUTTONIC$15.4820 rev

6mo ago

DC 12V 10A Power Supply Adapter AC 100V-240V to DC 12 Volt Transformer Switching Power Adapter AC/DC Converter for LED Strip Lights CCTV Camera Water Pump

MTYTOT$15.1510 rev

6mo ago

12V 10A Power Supply AC 100V-240V to DC 12 Volt Power Supply Adapter with 5.5mm x 2.1mm Plug

TRYTHINK$21.554 rev

7mo ago

12V 10A 120W Power Supply AC Adapter 100-240V 50-60HZ Transformer AC to DC Converter 12 Volt 10 Amp with 5.5x2.5mm Output Jack for 5050 3528 LED Strip Light CCTV Cameras 3D Printer

Generic$16.118 rev

7mo ago

What buyers say about 12v 10a power supply

What buyers praise and complain about, mined from review topics.

What buyers love

Advertised Vs Actual Product13%

“It is as advertised”

Quality-Overall10%

“Excellent product”

Value For Money9%

“Great product and definitely worth it”

Compatibility-Overall8%

“the compatibility was seamless just wired it in”

Functionality-Overall7%

“consistent performance for a wide range of 12V electronics”

Durability7%

“its durability seems solid”

Amplification7%

“great for my rc to charge my Lipo battery because it has a higher amps”

Efficiency4%

“Worked for my needs”

Ease Of Use4%

“Easy to use”

Signal Strength3%

“Copper cable conducts much better than the copper tracks so I use the multi-way adapter with extra cables to provide extra power at intervals along the LED run”

What buyers complain about

Durability21%

“Stopped working after a month”

Quality-Overall14%

“Poorly made, cheap and hot”

Noise Level8%

“High pitch whine”

Advertised Vs Actual Product8%

“It wasn't exactly like the one pictured in the post”

Heating8%

“It doesn't get hot however”

Functionality-Overall7%

“Drops voltage instantly when a load is introduced”

Compatibility-Overall5%

“NOT COMPATIBLE WITH DELTA LENTA FAUCET”

Amplification4%

“The issue here is knowing how many AMPs each device is pulling before adding them”

Natural Resource Wastage3%

“Waste of time”

Socket/Port/Plug3%

“The worst part though is the included barrel connectors”

Top return reasons

Compatibility-Overall23%

Size-Overall21%

Functionality-Overall15%

Advertised Vs Actual Product7%

Connectivity-Overall5%

Defective Material/Parts5%

Charging4%