Is 5v 1a power supply profitable to sell on Amazon United States?

The niche generates $143K/yr across 15 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +3.9%. Flapen's verdict: Skip it (39/100).

How competitive is the 5v 1a power supply niche?

13 brands and 25 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 74% of demand.

What do buyers complain about in 5v 1a power supply?

Top complaints mined from reviews: Charging, Durability, Functionality-Overall. The return rate is 4.0%.

When does demand for 5v 1a power supply peak?

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

What does it cost to enter the 5v 1a power supply niche?

Listings span $5.04–$19.93; the average listing price is $8.42 (sweet spot $15–$100). The average incumbent carries 3,955 reviews — the moat a new listing must climb.

5v 1a power supply

Skip it

Pricing outside the sweet spot ($8.42 avg) — this niche doesn't clear our bar today.

Conversion

Great8.8%

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

Brand share

Good74%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Returns

Okay4.0%

return rate — above 5% kills the launch gate

Price range

Okay$5.04–$19.93

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

Market size

Okay$143K

$143K/yr · 192K searches

Growth

Okay+3.9%

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

Competition

Okay68%

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

Review moat

Okay3,954.67

avg incumbent reviews — the moat a new listing must climb

Avg price

Bad$8.42

avg listing price — sweet spot $15–$100

According to Flapen's Amazon United States niche tracking, 5v 1a power supply is a $143K/yr Amazon United States market (192K searches/yr). The top 5 brands hold 74% of demand. Verdict: Skip it — 39/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

5v 1a power supply market data

Units sold / yr: 15K–20K; avg 1,250–1,500/product
Revenue / yr: $126K–$168K; units × avg price
Conversion rate: 8.8%
Avg BSR: #210
Page quality: 0%
Prime: 100%
Sponsored: 80%
Out of stock: 0.0%
Avg brand age: 43 months
Avg seller age: 209 days

Competition & brand share

The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 flat

Sellers

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

68%

Top 20: 100%

Open market

20%

Arkare28%
TBQBCYO18%
Uenlio13%
HomeSpot8%
GuanTing7%
HopePow7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +3.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top 5v 1a power supply search terms

5v 1a power adapter79K/yr +3.7%9.3% conv.
5v 1a charger24K/yr +11.8%6.7% conv.
5v 1a power supply20K/yr +26.1%5.1% conv.
5v 1a usb charger7K/yr +5.4%6.4% conv.
5v 1a adapter6K/yr +4.3%5.6% conv.
5v/1a charger7K/yr +1.8%7.4% conv.
5v/1a usb power adapter3K/yr +220.1%9.9% conv.
5v1a charger6K/yr +11.0%8.2% conv.
5v / 1a charger4K/yr -13.7%4.0% conv.
5v1a power adapter5K/yr -21.5%9.6% conv.

All search terms

Top 5v 1a 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 15 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Arkare 5V 1A DC Power Supply Adapter 5W AC/DC Charger AC 100V-240V to D C 5 Volt 1Amp 0.5A Replacement Power Cord for Security Camera Baby Monitor Graco Swing TV Box Raspberry Pi Type C with 8TIPS

Arkare$8.184.4★2,635 rev

USB Charger Block 5V-1A Wall Charger Power Adapter 2 Pack USB Power Brick Charging Box Cube Compatible with iPhone 16e/16/15/14/13/12/11/XR/XS/8 Plus/SE Samsung Galaxy S25/S24/S23 Ultra/S22/S21/S10/S9

Uenlio$7.104.7★2,738 rev

5v 1a Power Adapter 5v/1a USB Charging Block 5W Wall Charger 5 Volt 1000mA Power Supply Brick 5v1a USB Outlet Plug in 5v-1a Head 1a/5v Single USB Port for Kids Electric Toy 5 Volt 1 Amp Charger Whtie

TBQBCYO$7.944.9★52 rev

UL Certified USB Wall Charger Power Supply 5v1A (1000mA) Universal Portable Travel Power Adapter Plug Block High Speed for iPhone iPad iPad Samsung HTC LG iPod Nokia Travel Office Home Use

HomeSpot$7.884.7★4,455 rev

5V 1A AC Adapter DC5V Power Supply Cord with 11 Plug Tips AC to DC 5Volt 1A 500mA 400mA 200mA 100mA Power Adapter for Baby Monitor Graco Swing Camera Raspberry Pi USB Type-C 5V wall Charger 6FT

GuanTing$7.234.7★489 rev

Newest

by launch date

5v 1a Power Adapter 5v/1a USB Charging Block 5W Wall Charger 5 Volt 1000mA Power Supply Brick 5v1a USB Outlet Plug in 5v-1a Head 1a/5v Single USB Port for Kids Electric Toy 5 Volt 1 Amp Charger Whtie

TBQBCYO$7.9452 rev

8mo ago

USB Wall Charger Power Supply 5V1A Charging Block 5W USB Charger Block with Compact Design 5 volt 1amp(1000mA) Adapter Plug for Small Appliances Such as Small Table Lamps/Kids Electric Toys/Smartwatch

TBQBCYO$7.9343 rev

8mo ago

5v 1a power cord 5v-1a adapter micro usb cable 5v1a charger 5v/1a power supply micro usb charger with wall plug 5v 1000ma microusb 5 volt 1 amp 5 watt fo radio/electric toothbrush/PointReading pen/Toy

TBQBCYO$9.2563 rev

10mo ago

5V 1A Power Supply Adapter 5W AC/DC Charger AC 100V-240V to DC 5 Volt 1Amp 0.5A Replacement Power Cord USB Type C for Security Camera Baby Monitor Graco Swing Scanner TV Box Raspberry Pi USB Hub

iCreatin$7.8572 rev

1y ago

SinitoAula 5V1A Power Adapter Plug for Wall Outlet (UL Certified Black 1pcs) 5W USB Charger Block for Cell Phones Tablets Earphones Power Banks Smart Wearables Toys and More Electronic Gadgets

SinitoAula$6.17216 rev

1y ago

What buyers say about 5v 1a power supply

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

What buyers love

Charging22%

“Good charger”

Advertised Vs Actual Product21%

“Just as advertised”

Value For Money12%

“It's affordable”

Quality-Overall12%

“Great produce”

Compatibility-Overall5%

“Compatability”

Size-Overall5%

“Perfect fit”

Ease Of Use4%

“Simple to use”

Efficiency3%

“It works”

Socket/Port/Plug2%

“It has enough connectors to power everything you have”

Flexibility1%

“Very versatile”

What buyers complain about

Charging19%

“Not fast charging”

Durability11%

“Broken in a month”

Functionality-Overall10%

“It does not work”

Compatibility-Overall7%

“Not compatible at all”

Advertised Vs Actual Product6%

“does not work as described”

Size-Overall6%

“Did NOT FIT as described”

Heating6%

“it will not have any heat from anything”

Connectivity-Overall4%

“Doesn't make good contact”

Quality-Overall3%

“Cheaply made”

Socket/Port/Plug3%

“the plug that goes into the wall doesnt work anymore”

Top return reasons

Compatibility-Overall33%

Size-Overall21%

Charging18%

Functionality-Overall12%

Defective Material/Parts5%

Connectivity-Overall2%

Advertised Vs Actual Product2%