18650 Battery
18650 Battery shows a thin review moat (92 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Flapen Score
Is 18650 Battery profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, 18650 Battery is a £384K/yr Amazon United Kingdom market (569K searches/yr). The top 5 brands hold 83% of demand. Verdict: Worth a look — 59/100.
18650 Battery: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved -13.9% over the last 90 days and 4.5% of searches end in a purchase.
£384K
revenue / yr
Who owns the niche?
The top 5 brands hold 83% of demand, so 17% of the market is open.
17%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.
0/100
page quality · 32 products
Top 18650 Battery products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Matbc 4 pack 3.7 V 18650 Rechargeable Battery Flat top with Charger 2800 mah 18650 battery For Outdoor Garden Lights headlamps Flashlight Small Fan
- Price
- £18.39
- Rating
- 4.3/5
- Reviews
- 302
- Age
- 1y ago
3.7V Rechargeable Battery 3300mAh Flat Top Rechargeable Batteries for Flashlight Headlamp (2 Pack 18 X 65mm)
- Price
- £11.47
- Rating
- 4.5/5
- Reviews
- 106
- Age
- 1y ago
Matbc 4 Pack 3.7 V 18650 Rechargeable Battery Flat top with Charger 18650 Lithium-ion Rechargeable Battery Set
- Price
- £17.84
- Rating
- 4.5/5
- Reviews
- 224
- Age
- 1y ago
EVE 30P - 3000mAh - 30A - 18650 Flat Top Type - Ultra High Performance Vape Suitable Rechargeable Battery Suitable for the most demanding applications + Storage Case
- Price
- £20.49
- Rating
- 4.4/5
- Reviews
- 29
- Age
- 9mo ago
![EFEST 3500 Rechargeable Battery 20A with Protective Case [Pack of 2]](https://m.media-amazon.com/images/I/41N7niQgEzL.jpg)
EFEST 3500 Rechargeable Battery 20A with Protective Case [Pack of 2]
- Price
- £18.68
- Rating
- 4.7/5
- Reviews
- 92
- Age
- 10mo ago
Trending
90-day click momentum
3.7V Rechargeable Battery Flat Top 2 Pack 3000mAh Long Lasting for Flashlight Camera Small Fan
- Price
- £10.57
- Rating
- 4.3/5
- Reviews
- 42
- Age
- 11mo ago
3.7 Volt Rechargeable Battery3300mAh High Power Long Lasting 18650 Rechargeable Battery for Flashlight Doorbell Headlamp 4 Pack 18 x 65mm
- Price
- £18.77
- Rating
- 4.2/5
- Reviews
- 22
- Age
- 10mo ago
![EFEST 3000 Rechargeable Battery with Protective Case [Single]](https://m.media-amazon.com/images/I/318Ytssn5RL.jpg)
EFEST 3000 Rechargeable Battery with Protective Case [Single]
- Price
- £7.86
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago
3.7 Volt Rechargeable Battery 18650 Flat top 6 Pack 3300mAh Battery High Power Lasting Long for Headlamp LED Flashlight Electronic Devices etc
- Price
- £22.64
- Rating
- 4.6/5
- Reviews
- 25
- Age
- 5mo ago
3.7 Volt Rechargeable Battery Flat Top 4 Pack 3300mAh High Power Long Lasting 18650 Rechargeable Battery for Flashlight Camera Small Fan Outdoor Garden Lights
- Price
- £18.58
- Rating
- 4.3/5
- Reviews
- 54
- Age
- 6mo ago
Newest
by launch date3.7 Volt Rechargeable Battery 18650 Flat top 6 Pack 3300mAh Battery High Power Lasting Long for Headlamp LED Flashlight Electronic Devices etc
- Price
- £22.64
- Rating
- 4.6/5
- Reviews
- 25
- Age
- 5mo ago
3.7V Rechargeable Battery 3300mAh Flat Top Rechargeable Batteries for Flashlight Headlamp (2 Pack 18 X 65mm)
- Price
- £11.91
- Rating
- 4.3/5
- Reviews
- 54
- Age
- 6mo ago
3.7 Volt Rechargeable Battery Flat Top 4 Pack 3300mAh High Power Long Lasting 18650 Rechargeable Battery for Flashlight Camera Small Fan Outdoor Garden Lights
- Price
- £18.58
- Rating
- 4.3/5
- Reviews
- 54
- Age
- 6mo ago
3.7V Rechargeable Battery3300mAh Button Top Batteries High Power Lasting Long for Headlamp LED Flashlight 2 Pack 18 x 65mm
- Price
- £11.72
- Rating
- 4.6/5
- Reviews
- 44
- Age
- 6mo ago
EFEST 3000 Rechargeable Battery with Protective Case [Single]
- Price
- £7.86
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 6mo ago
Competition: brands, sellers & click share
Clicks spread well past the top 5 (39% combined) — an open shelf where new products get seen.
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%)
18650 Battery demand & seasonality
Weekly search volume, with the niche's key stats alongside.
No pronounced peak months · busiest ÷ quietest = 1.5×
Top 18650 Battery search terms shoppers use
The exact queries 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
What reviews say buyers love and hate about 18650 Battery
What buyers mention most, as a share of all reviews.
What buyers love
89% of reviews“good batteries and long lasting”
“Fast charge”
“Build quality feels solid”
“Excellent value for money”
“As advertised”
What buyers complain about
67% of reviews“Very slow to charge”
“Dead Battery”
“Too small”
“Pricey for the manufacturing quality”
“not shown in the advert”
18650 Battery return rate & reasons
Why buyers send it back, as a share of all return requests.
1.4%
Return rate
60%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common 18650 Battery questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
