18650 Battery
MaybeThe average product has only 92 reviews. But demand is soft, at -13.9% this quarter, so 18650 Battery is a Maybe.
- Flapen Score
- 59 / 100Top 5% of 1,488 Electronics & Photo niches · +15 vs the category median of 4459
- 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.
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
An estimated 4.5% of those searches ended in a purchase.
Shoppers searched for this 569K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 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
9 of last year's 19 launches cleared the first-year sales bar.
19 products launched here in the last 12 months. 9 of them cleared the first-year sales bar, our mark for a successful launch. 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
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.
Top sellers
by estimated 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
estimated 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
Competition: brands, sellers & click share
The top 5 products take an estimated 39% of clicks, no more. An open shelf where new products get seen.
Brands
14 rising
Sellers
21
Est. top-5 brand share
83%
Top 20: 100%
Est. 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.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top 18650 Battery search terms shoppers use
The exact words shoppers type, with estimated 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
We read the reviews and the return reasons for every product selling here.
“Very slow to charge”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Dji Osmo Pocket 4 Accessories
£21K/yr>1,000%
Kids Camera
£829K/yr+1.8%
Tv Stand
£2.6M/yr-15.0%
3 in 1 Wireless Charging Station
£383K/yr+35.0%
Wireless Power Bank
£1.8M/yr+22.5%
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 18650 Battery questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data