Is 5v power supply profitable to sell on Amazon United Kingdom?

The niche generates £43K/yr across 16 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is -33.5%. Flapen's verdict: Skip it (36/100).

How competitive is the 5v power supply niche?

15 brands and 20 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 74% of demand.

What do buyers complain about in 5v power supply?

Top complaints mined from reviews: Durability, Charging, Quality-Overall. The return rate is 3.9%.

When does demand for 5v power supply peak?

Demand peaks in Jan–Nov–Dec; the busiest month runs 2.4× the quietest.

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

Listings span £5.24–£14.07; the average listing price is £7.33 (sweet spot $15–$100). The average incumbent carries 94 reviews — the moat a new listing must climb.

5v power supply

Skip it

Prices mostly outside the sweet spot ($5.24–$14.07) — this niche doesn't clear our bar today.

Review moat

Incredible94

avg incumbent reviews — the moat a new listing must climb

Conversion

Great8.8%

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Brand share

Good74%

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

Returns

Okay3.9%

return rate — above 5% kills the launch gate

Competition

Bad72%

top-5 click share — a locked-up shelf

Avg price

Bad£7.33

avg listing price — sweet spot $15–$100

Market size

Bad£43K

£43K/yr · 68K searches

Growth

Bad-33.5%

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

Price range

Bad£5.24–£14.07

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

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, 5v power supply is a £43K/yr Amazon United Kingdom market (68K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Jan–Nov–Dec. Verdict: Skip it — 36/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

5v power supply market data

Units sold / yr: 5K–6K; avg 0–100/product
Revenue / yr: £37K–£44K; units × avg price
Conversion rate: 8.8%
Avg BSR: #306
Page quality: 0%
Prime: 100%
Sponsored: 88%
Out of stock: 14.8%
Avg brand age: 27 months
Avg seller age: 222 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

15 falling

Sellers

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

23%

SZZKtech39%
KDRNXVAL15%
Etopgo9%
Velainwom7%
Eophmi4%
AETPI4%

Demand & seasonality

Weekly Amazon search volume, last 84 weeks — -33.5% search growth over the last 90 days.

Peak months: Jan, Nov, Dec · busiest ÷ quietest = 2.4×

Open Trend

Top 5v power supply search terms

5v power supply38K/yr -36.2%4.8% conv.
5v dc power supply14K/yr -27.2%7.0% conv.
5v 3a power supply6K/yr -33.4%2.4% conv.
dc 5v power supply6K/yr -48.8%8.4% conv.
5 volt power supply4K/yr +10.3%5.0% conv.

All search terms

Top 5v 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★)2 products missing review or click data not plotted

All 16 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

5V 2A AC Adapter Power Supply DC5V wall charger with 11 interchangeable DC plug tips AC to DC5Volt 2A 1.5A 1A 800mA 600mA 500mA 400mA 200mA 100mA Power Adapter 5v power cord ac dc adapter

SZZKtech£6.804.7★54 rev

AC to DC 5V 1A Power Supply Adapter Stable 5W Output with 5.5 x 2.1mm DC Plug 100240V Universal Voltage for Speakers Router Security Cameras LED Light Strips

KDRNXVAL£5.333.8★6 rev

5V 2A Power Supply Etopgo Universal AC Adapter to DC Wall Charger with 7 DC Connectors Multi Plug for LED Strip Lights TV Box Speaker Router Home Appliances Audio Video Android Tablet

Etopgo£7.144.5★303 rev

5V 10A Power Supply AC110/220V to DC5V 50W Universal Regulated Switching Power Converter Transformer for LED Strip Light Probe Signal Lamp

Velainwom£10.514.4★121 rev

5V 3A Power Supply 100V-240V AC to DC Adapter 5.5mm X 2.1mm DC 5V Power Supply for Victrola Record Player Led Strip Wireless Router HUB Baby Monitor Security Cameras

Eophmi£5.984.0★16 rev

Newest

by launch date

5V 2A Power Supply Adapter Universal AC to DC Power Adapter 100-240V with 7 Tips DC Plug Adapters AC Charger for LED Strip Lights Android TV Box Router Speaker and Tablet more 5V Home Appliances

RUOVXWU£7.72114 rev

1mo ago

5V 3A DC Power Supply Adapter 5V 3A 2A 1A AC Charger 5.5mm x 2.5mm Plug with 8 Transformer DC Tips Universal Replacement Power Cord for LED Strip Router Camera Monitor Box Printer Bluetooth Speaker

Thriveek£6.060 rev

4mo ago

5V 2A Power Supply Etopgo Universal AC Adapter to DC Wall Charger for LED Strip Lights TV Box Speaker Router Home Appliances Audio Video Android Tablet

Yisica£5.340 rev

4mo ago

DC 5V 1A Power Supply Adapter 5.5mm x 2.5mm Connector for 5V Devices

Volink£5.242 rev

6mo ago

AC to DC 5V 1A Power Supply Adapter Stable 5W Output with 5.5 x 2.1mm DC Plug 100240V Universal Voltage for Speakers Router Security Cameras LED Light Strips

KDRNXVAL£5.336 rev

6mo ago

What buyers say about 5v power supply

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

What buyers love

Charging20%

“Great for charging/powering various items”

Advertised Vs Actual Product16%

“does exactly what I wanted”

Value For Money14%

“excellent value”

Quality-Overall14%

“I prefer this since it appears very well made”

Size-Overall7%

“perfect fit”

Compatibility-Overall4%

“which made it much easier to find a compatible fit for older devices that are difficult to replace chargers for nowadays”

Socket/Port/Plug4%

“Switching connectors is straightforward”

Ease Of Use4%

“Very useful”

Amplification3%

“good power supply with many adaptors for many deices”

Functionality-Overall2%

“it did the job”

What buyers complain about

Durability32%

“not very durable”

Charging10%

“wasn't the best of chargers that you can get”

Quality-Overall10%

“Cheaply made”

Value For Money8%

“These are no cheaper than a Yealink original PSU”

Heating7%

“The casing warms slightly”

Defective Material/Parts5%

“Product failed”

Socket/Port/Plug5%

“5v power plug doesnt power”

Functionality-Overall5%

“Doesnt work, lights on”

Material Quality2%

“I noticed that the material of the plug, wire and set of adapters felt pretty cheap, low quality and not very durable”

Top return reasons

Size-Overall38%

Compatibility-Overall23%

Functionality-Overall14%

Charging8%

Defective Material/Parts4%

Connectivity-Overall3%

Socket/Port/Plug2%

Add-Ons/Attachments2%

Durability1%

Advertised Vs Actual Product1%

Common questions

Is 5v power supply profitable to sell on Amazon United Kingdom?: The niche generates £43K/yr across 16 tracked products. 1 of 8 products launched in the last 360 days are still selling. 90-day search growth is -33.5%. Flapen's verdict: Skip it (36/100).
How competitive is the 5v power supply niche?: 15 brands and 20 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 74% of demand.
What do buyers complain about in 5v power supply?: Top complaints mined from reviews: Durability, Charging, Quality-Overall. The return rate is 3.9%.
When does demand for 5v power supply peak?: Demand peaks in Jan–Nov–Dec; the busiest month runs 2.4× the quietest.
What does it cost to enter the 5v power supply niche?: Listings span £5.24–£14.07; the average listing price is £7.33 (sweet spot $15–$100). The average incumbent carries 94 reviews — the moat a new listing must climb.