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18650 Battery

Maybe

The average product has only 92 reviews. But demand is soft, at -13.9% this quarter, so 18650 Battery is a Maybe.

Flapen Score
59
59 / 100
Top 5% of 1,488 Electronics & Photo niches · +15 vs the category median of 44
Market size
£384K/yr569K searches / yr
90-day growth
-13.9%search demand this quarter
Competition
39%top-5 click share · 14 brands · 21 sellers

Flapen Score

18650 Battery against its category

The dotted line is the Electronics & Photo average. Past it, 18650 Battery is stronger. Inside it, weaker.

59Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The 18650 Battery market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for 18650 Battery 569K times last year and spent an estimated £384K. The top 5 brands take 83% of clicks. Flapen scores it 59 out of 100, a Maybe.

01 · Demand

4.5% of searches ended in a purchase last week.

Shoppers searched for this 569K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 4.5% of those searches ended in a purchase. Searches in the last 90 days moved -13.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £384K a year.

Searches, last 12 months
569K
Growth, 90 days vs prior 90
-13.9%
Conversion, latest week
4.5%
Market size, estimated
£384Ka year
Peak month
December1.5× the quietest month
Top search term
18650 battery221K searches a year

02 · Price

A sale here is worth £14.89.

Listings sell for £14.89 on average, from £7.86 to £25.59. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 750 to 1,000 of them. At £14.89 that is £11K to £15K a year per listing.

Average price
£14.89under the $15 to $100 sweet spot
Price range
£7.86–£25.59
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
20K–25K
Units per listing a year
750–1,000
Revenue per listing a year
£11K–£15K
Returns
1.4%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

81% of listings pay for placement with sponsored ads. 94% ship with Prime. On an average day, 3.6% of listings are out of stock. The average listing ranks #73 within E-Cigarettes, E-Shisha & Heat-Not-Burn. It carries 92 reviews at 4.30 stars, so a new listing needs social proof before a better product.

Sponsored listings
81%
Prime listings
94%
Out of stock, average day
3.6%
Average rank
#73in E-Cigarettes, E-Shisha & Heat-Not-Burn
Average rating
4.30 starsAmazon United Kingdom average 4.36 stars
Average reviews
92per listing
Listings tracked
32

04 · Newcomers

Amazon counts 9 of last year's 19 launches as successful.

19 products launched here in the last 12 months. Amazon counts 9 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 33 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
19
Successful launches
9Amazon's first-year sales bar
Average brand age
33 months

Products

Top 18650 Battery products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take only 39% of clicks. An open shelf where new products get seen.

£0£12K£23K£35K£46K1101001K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

Brands

14 rising

Sellers

21

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

39%

Top 20: 90%

Open market

13%

  • JESSPOW30%
  • Matbc21%
  • Efest16%
  • Generic11%
  • POWOBEST5%
  • REACELL4%
  • Open — no brand owns it (8 brands, 13%)

Demand

18650 Battery search demand

Weekly searches over the year, seasonality beneath. Pick a range.

15K10KPrime Day '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top 18650 Battery search terms shoppers use

The exact words shoppers type, with yearly volume, growth, and conversion.

  • 18650 battery221K/yr
  • 18650 rechargeable battery122K/yr
  • 1865043K/yr
  • 3.7 volt rechargeable battery24K/yr
  • 18650 lithium ion battery20K/yr
  • 3.7v 18650 rechargeable batteries24K/yr
  • 3.7v battery22K/yr
  • 18650 batteries20K/yr
  • 18650 battery flat top8K/yr
  • efest 18650 batteries8K/yr

Reviews and returns

What reviews say buyers love and hate about 18650 Battery

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Charging22%−0.05

Very slow to charge

will not charge

Doesnt hold a charge

Battery Life11%+1.49

Dead Battery

Poor battery life

Not a safe battery

Size-Overall8%−0.11

Too small

Doesnt fit

Too large

Quality-Overall6%+1.22

Pricey for the manufacturing quality

However, the build quality feels very fragile

Not great quality

Advertised Vs Actual Product5%−0.03

not shown in the advert

The product description is misleading

Very misleading

Love

Battery Life26%+1.49

good batteries and long lasting

Good battery

Great battery life

Charging18%−0.05

Fast charge

Charges up quickly

Great charger

Quality-Overall14%+1.22

Build quality feels solid

The build quality is fantastic

Good quality

Value For Money12%+1.54

Excellent value for money

Great value

Good Value

Advertised Vs Actual Product6%−0.03

As advertised

Works as it should

as discribed

Return

1.4% Return rate 60% Fixable by listing

Size-Overall56%▆▇███▇

Too small

Doesnt fit

Too large

Charging12%▅█▄▅▄▆

Very slow to charge

will not charge

Doesnt hold a charge

Compatibility-Overall9%█▂▄▄▅▂

A small downside is that compatibility depends on the specific device

Does not fit my Ecig - misold

wont necessarily be compatible with all equipment

Functionality-Overall7%▅▃▆▆█▇

Very poor cells

Did not work

Did not work straight out of the box

Battery Life4%▄█▃▂▃▄

Dead Battery

Poor battery life

Not a safe battery

FAQ

Common 18650 Battery questions

Answered from the same tracked data.