18350 battery
Worth a lookShows low returns (0.7%), but soft demand (-9.7% this quarter) keeps it on the watch list.
Returns
Incredible0.7%return rate — above 5% kills the launch gate
Avg price
Incredible$24.06avg listing price — sweet spot $15–$100
Price range
Great$7.38–$64.66cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Conversion
Good6.9%search→purchase rate — share of searches ending in a sale
Market size
Good$350K$350K/yr · 210K searches
Competition
Okay66%top-5 click share — leaders hold, buyers still browse
Brand share
Bad91%top-5 brand share — brand-locked demand
Review moat
Bad8,345.61avg incumbent reviews — the moat a new listing must climb
Growth
Bad-9.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, 18350 battery is a $350K/yr Amazon United States market (210K searches/yr). The top 5 brands hold 91% of demand. Demand peaks in Jun. Verdict: Worth a look — 53/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
18350 battery market data
- Units sold / yr
- 20K–25K
- avg 1,000–1,250/product
- Revenue / yr
- $481K–$602K
- units × avg price
- Conversion rate
- 6.9%
- Avg BSR
- #255
- Page quality
- 0%
- Prime
- 67%
- Sponsored
- 44%
- Out of stock
- 11.1%
- Avg brand age
- 53 months
- Avg seller age
- 173 days
Competition & brand share
The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.Brands
9 rising
Sellers
87
Top-5 brand share
91%
Top 20: 100%
Top-5 click share
66%
Top 20: 100%
Open market
6%
- SureFire52%
- AOTUMUT22%
- IEVEDIVB9%
- Amazon Basics5%
- DURACELL3%
- Kastar3%
- Open — no brand owns it (3 brands, 6%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -9.7% search growth over the last 90 days.Peak months: Jun · busiest ÷ quietest = 2.0×
Top 18350 battery search terms
- 18350 battery46K/yr
- surefire 123a lithium batteries40K/yr
- 18350 rechargeable battery25K/yr
- surefire batteries39K/yr
- 183509K/yr
- surefire cr123a9K/yr
- surefire 123a6K/yr
- surefire battery6K/yr
- surefire cr1235K/yr
- cr123a surefire4K/yr
Top 18350 battery 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.
All 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
SureFire SF12-BB Boxed Batteries (12 Pack)
SureFire$30.054.7★16,848 rev
Modular Battery Storage Case with Movable Inserts MOLLE Rugged Organizer Holder for CR123 18650 18350 AAA CR2032 Batteries
AOTUMUT$24.823.6★14 rev
Modular Battery Storage Case with Movable Inserts MOLLE Rugged Organizer Holder for CR123 18650 18350 AAA CR2032 Batteries
AOTUMUT$25.053.6★14 rev
SureFire SF12-BB 123A 3-Volt CR123 Lithium Batteries - 24 Pack
SureFire$64.664.7★16,848 rev
SureFire 6-Pack Premium 123A Batteries Lithium SF123A
SureFire$25.304.6★21 rev
Newest
by launch date
IEVEDIVB 3.7V 850mAh Icr 18350 Top Cell Button for Product 4pcs
IEVEDIVB$25.620 rev
IEVEDIVB 18350 3 .7V Rechar 900mAh Large Capacity Ion Rechar Batteries Batteries for LED Devices (Button Top) 2 Pcs
IEVEDIVB$21.450 rev
IEVEDIVB Compatible Household Batteries Rechar 18350 3.7V 850mah 18350 Cell Button Top for Product-2_pcs
IEVEDIVB$21.620 rev
WoSporT Tactical Modular Battery Storage Organizer MOLLE Military Hunting Vest Carry 18650/AAA/CR123A/18350 Battery Box Holder Case
WoSporT$23.8829 rev
Modular Battery Storage Case with Movable Inserts MOLLE Rugged Organizer Holder for CR123 18650 18350 AAA CR2032 Batteries
AOTUMUT$24.8214 rev
Trending
90-day click momentumIEVEDIVB 3.7V 850mAh Icr 18350 Top Cell Button for Product 4pcs
IEVEDIVB$25.620.0★
IEVEDIVB 18350 3 .7V Rechar 900mAh Large Capacity Ion Rechar Batteries Batteries for LED Devices (Button Top) 2 Pcs
IEVEDIVB$21.450.0★
IEVEDIVB Compatible Household Batteries Rechar 18350 3.7V 850mah 18350 Cell Button Top for Product-2_pcs
IEVEDIVB$21.620.0★
WoSporT Tactical Modular Battery Storage Organizer MOLLE Military Hunting Vest Carry 18650/AAA/CR123A/18350 Battery Box Holder Case
WoSporT$23.883.6★
Modular Battery Storage Case with Movable Inserts MOLLE Rugged Organizer Holder for CR123 18650 18350 AAA CR2032 Batteries
AOTUMUT$25.053.6★
What buyers say about 18350 battery
What buyers praise and complain about, mined from review topics.What buyers love
“the battery life is really good”
“Reasonable price”
“Simple, consistent, and worth keeping stocked”
“Durable”
“As advertised”
“Nice fit”
“All came above the specified charge level and work great”
“Works great in the Nest Thermostat plug in”
“Simple, consistent, and worth keeping stocked”
“Works perfectly in our smoke detector”
What buyers complain about
“BAD BATTERIES”
“died within day”
“This was a poor quality set of batteries”
“a waste of money”
“it say on the package Not Rechargeable”
“it would not come out”
“it will not fit”
“False advertisement”
“Battery overheated and melted inside the August smart lock, while previous brands didnt do this and were working fine”
“These do NOT work with Arlo cameras or chargers”
Top return reasons
Common questions
- Is 18350 battery profitable to sell on Amazon United States?
- The niche generates $350K/yr across 18 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -9.7%. Flapen's verdict: Worth a look (53/100).
- How competitive is the 18350 battery niche?
- 9 brands and 87 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 91% of demand.
- What do buyers complain about in 18350 battery?
- Top complaints mined from reviews: Battery Life, Durability, Quality-Overall. The return rate is 0.7%.
- When does demand for 18350 battery peak?
- Demand peaks in Jun; the busiest month runs 2.0× the quietest.
- What does it cost to enter the 18350 battery niche?
- Listings span $7.38–$64.66; the average listing price is $24.06 (sweet spot $15–$100). The average incumbent carries 8,346 reviews — the moat a new listing must climb.