Is power bank 20000mah profitable to sell on Amazon United Kingdom?

The niche generates £389K/yr across 29 tracked products. 6 of 8 products launched in the last 360 days are still selling. 90-day search growth is +44.9%. Flapen's verdict: Worth a look (64/100).

How competitive is the power bank 20000mah niche?

17 brands and 58 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 68% of demand.

What do buyers complain about in power bank 20000mah?

Top complaints mined from reviews: Charging, Weight Heavy, Durability. The return rate is 1.2%.

When does demand for power bank 20000mah peak?

Demand peaks in Jun–Jul; the busiest month runs 1.8× the quietest.

What does it cost to enter the power bank 20000mah niche?

Listings span £9.24–£33.11; the average listing price is £18.51 (sweet spot $15–$100). The average incumbent carries 5,542 reviews — the moat a new listing must climb.

power bank 20000mah

Worth a look

Shows low returns (1.2%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Great1.2%

return rate — above 5% kills the launch gate

Avg price

Great£18.51

avg listing price — sweet spot $15–$100

Price range

Great£9.24–£33.11

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Growth

Good+44.9%

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

Competition

Good45%

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

Brand share

Good68%

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

Market size

Good£389K

£389K/yr · 557K searches

Conversion

Okay3.8%

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

Review moat

Bad5,542.41

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United Kingdom niche tracking, power bank 20000mah is a £389K/yr Amazon United Kingdom market (557K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 64/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

power bank 20000mah market data

Units sold / yr: 20K–25K; avg 500–750/product
Revenue / yr: £370K–£463K; units × avg price
Conversion rate: 3.8%
Avg BSR: #84
Page quality: 0%
Prime: 100%
Sponsored: 79%
Out of stock: 12.1%
Avg brand age: 22 months
Avg seller age: 177 days

Competition & brand share

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 rising

Sellers

Top-5 brand share

68%

Top 20: 100%

Top-5 click share

45%

Top 20: 89%

Open market

27%

Anker27%
INIU15%
Xiaocodou13%
UGREEN8%
VRURC5%
zaoziron5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +44.9% search growth over the last 90 days.

Peak months: Jun, Jul · busiest ÷ quietest = 1.8×

Open Trend

Top power bank 20000mah search terms

20000mah power bank185K/yr +36.0%3.4% conv.
power bank 20000mah159K/yr +54.5%2.9% conv.
anker power bank 20000mah42K/yr +40.0%2.3% conv.
anker 20000mah power bank28K/yr +51.9%2.8% conv.
powerbank 20000mah31K/yr +15.9%3.0% conv.
power bank 2000021K/yr +72.5%2.7% conv.
20 000 mah power bank14K/yr +77.8%2.4% conv.
portable charger 20000mah13K/yr +98.0%4.5% conv.
inui power bank 20000mah14K/yr +29.3%4.4% conv.
20000 power bank11K/yr +75.1%2.3% conv.

All search terms

Top power bank 20000mah 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Anker Zolo Power Bank(2025 Upgrade) 20 000mAh 30W High-Speed Portable Charger with Built-In USB-C Cable Battery Pack For iPhone 17/17 Air/17 Pro/17 Pro Max/16/15 Series Galaxy and More

Anker£22.344.6★26,360 rev

POWER BANK 20000mAh PD20W Fast Charging USB C 22.5W Portable Charger Powerbank with LCD Display Battery Pack for Smartphones Smartwatch Travel Camping Outdoor etc

Xiaocodou£10.824.3★3,588 rev

INIU Power Bank 20000mAh Fast Charging Portable Charger 22.5W Powerbank with USB Type C Input & Output Battery Pack PD3.0 QC4.0 for iPhone 17 16 15 14 13 Pro Max Mini Plus Samsung S24 S23 iPad etc

INIU£19.614.6★31,273 rev

UGREEN Nexode Power Bank with Built-in Cable 20000mAh 45W In & Out Fast Charging 3-Way Output Portable Charger Mobile Phone Battery Pack Compatible with Galaxy S25 iPhone Air/17 iPad Laptop

UGREEN£20.984.4★3,475 rev

Power Bank 20000mAh PD3.0 QC4.0 22.5W Fast Charging PD20W USB C Power Bank Portable Charger With LCD Display Compatible with iPhone 17 16 15 14 13 Android and more

Xiaocodou£9.474.4★298 rev

Newest

by launch date

Power Bank 20000mAh with Built in 3 Cable 22.5W Fast Charging Portable Charger PD 3.0 QC 3.0 USB-C Input & Output LED Display Camping Battery Pack for iPhone Samsung iPad and More

Sprockly£11.3974 rev

7mo ago

Power Bank 27 000mAh Fast Charging 22.5W QC 4.0 USB C Input & Output PD 20W Portable Charger Mobile Phone Battery Black Compatible for Smartphone iPad and more

Bextoo£17.406,823 rev

7mo ago

Power Bank 20000mAh PD3.0 QC4.0 22.5W Fast Charging PD20W USB C Power Bank Portable Charger With LCD Display Compatible with iPhone 17 16 15 14 13 Android and more

Xiaocodou£9.47298 rev

11mo ago

Anker Zolo Power Bank (2025 Upgraded Version) 45W Max Fast Charging 20 000mAh Battery Pack Dual Built-in USB-C Cables USB-C&A Port for iPhone 17/16 Series Galaxy and More

Anker£29.381,378 rev

11mo ago

Portable Charger 20000mAh 22.5W Power Bank PD20W Fast Charging PD3.0 QC4.0 USB C Outputs & Inputs PowerBank With LCD Display For Smartphones Smartwatches Outdoor Equipment etc.

zaoziron£9.88413 rev

1y ago

What buyers say about power bank 20000mah

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

What buyers love

Charging31%

“Charges in no time”

Quality-Overall13%

“Good quality device”

Value For Money8%

“Value for money”

Battery Life6%

“Excellent battery”

Portability5%

“Perfect for travel”

Ease Of Use4%

“Easy to use”

Strength3%

“Very reliable”

Advertised Vs Actual Product3%

“Does the job”

Durability2%

“Seems very durable”

Size-Overall2%

“Convenient size”

What buyers complain about

Charging29%

“Not charging”

Weight Heavy12%

“Just too heavy”

Durability8%

“Does not last”

Quality-Overall5%

“Bad quality”

Battery Life3%

“Low battery”

Size-Overall3%

“Larger than expected”

Advertised Vs Actual Product2%

“Doesnt match the description”

Value For Money2%

“Definitely feels more expensive than it is”

Functionality-Overall2%

“Doesn't work”

Heating1%

“Gets very hot”

Top return reasons

Charging31%

Weight Heavy30%

Size-Overall12%

Functionality-Overall5%

Compatibility-Overall3%

Certifications3%

Defective Material/Parts2%

Battery Life2%

Advertised Vs Actual Product1%

Quality-Overall1%

Common questions

Is power bank 20000mah profitable to sell on Amazon United Kingdom?: The niche generates £389K/yr across 29 tracked products. 6 of 8 products launched in the last 360 days are still selling. 90-day search growth is +44.9%. Flapen's verdict: Worth a look (64/100).
How competitive is the power bank 20000mah niche?: 17 brands and 58 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 68% of demand.
What do buyers complain about in power bank 20000mah?: Top complaints mined from reviews: Charging, Weight Heavy, Durability. The return rate is 1.2%.
When does demand for power bank 20000mah peak?: Demand peaks in Jun–Jul; the busiest month runs 1.8× the quietest.
What does it cost to enter the power bank 20000mah niche?: Listings span £9.24–£33.11; the average listing price is £18.51 (sweet spot $15–$100). The average incumbent carries 5,542 reviews — the moat a new listing must climb.