321 Watch Battery
FailPrices span $3.47–$8.17, mostly outside the sweet spot, so 321 Watch Battery is a Fail.
- Flapen Score
- 41 / 100Ranks 11,806 of 14,768 Health & Household niches · −8 vs the category median of 4941
- Market size
- $155K/yr104K searches / yr
- 90-day growth
- +7.9%search demand this quarter
- Competition
- 66%top-5 click share · 7 brands · 32 sellers
Flapen Score
321 Watch Battery against its category
The dotted line is the Health & Household average. Past it, 321 Watch Battery is stronger. Inside it, weaker.
Market
The 321 Watch Battery market on Amazon at a glance
Shoppers on Amazon United States searched for 321 Watch Battery 104K times last year and spent an estimated $155K. The top 5 brands take 92% of clicks. Flapen scores it 41 out of 100, a Fail.
01 · Demand
An estimated 25.3% of those searches ended in a purchase.
Shoppers searched for this 104K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 25.3% of those searches ended in a purchase. Searches in the last 90 days moved +7.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $155K a year.
- Searches, last 12 months
- 104K
- Growth, 90 days vs prior 90
- +7.9%
- Conversion, latest week
- 25.3%
- Market size, estimated
- $155Ka year
- Peak month
- January1.2× the quietest month
- Top search term
- 321 watch battery38K searches a year
02 · Price
A sale here is worth $5.87.
Listings sell for $5.87 on average, from $3.47 to $8.17. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 1,250 to 1,500 of them. At $5.87 that is $7K to $9K a year per listing.
- Average price
- $5.87under the $15 to $100 sweet spot
- Price range
- $3.47–$8.17
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 20K–25K
- Units per listing a year
- 1,250–1,500
- Revenue per listing a year
- $7K–$9K
- Returns
- 0.2%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
38% of listings pay for placement with sponsored ads. 85% ship with Prime. On an average day, 0.9% of listings are out of stock. The average listing ranks #433 within Household Batteries. It carries 20,559 reviews at 4.67 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 38%
- Prime listings
- 85%
- Out of stock, average day
- 0.9%
- Average rank
- #433in Household Batteries
- Average rating
- 4.67 starsAmazon United States average 4.42 stars
- Average reviews
- 20,559per listing
- Listings tracked
- 13
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 70 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 70 months
Products
Top 321 Watch 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 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
5 321 Energizer Watch Batteries SR616SW Battery Cell (5 Batteries Per Pack)
- Price
- $7.83
- Rating
- 4.7/5
- Reviews
- 3,601
- Age
- 19y ago

Renata Watch Battery 321 0%Hg Mercury Free X 3
- Price
- $5.51
- Rating
- 4.6/5
- Reviews
- 1,841
- Age
- 11y ago

Energizer 321 SR616SW Silver Oxide 5 Count (Pack of 1)
- Price
- $7.63
- Rating
- 4.7/5
- Reviews
- 764
- Age
- 16y ago

UOGTNON 321 SR616SW Watch Battery 1.5V Button Cell (10-Pack)
- Price
- $7.38
- Rating
- 4.7/5
- Reviews
- 1,312
- Age
- 6y ago

Renata 321 SR616SW Batteries - 1.55V Silver Oxide 321 Watch Battery (2 Count)
- Price
- $3.50
- Rating
- 4.8/5
- Reviews
- 384
- Age
- 4y ago
Trending
estimated 90-day click momentum
SKOANBE 321 SR616SW 1.5V Watch Battery Button Cell (10-Pack)
- Price
- $8.17
- Rating
- 4.7/5
- Reviews
- 313
- Age
- 5y ago

KaPonsec 321 SR616SW 1.5V Silver Oxide Watch Battery (10-Pack)
- Price
- $6.98
- Rating
- 4.5/5
- Reviews
- 67
- Age
- 4y ago

Amazon Basics CR2032 3V Lithium Coin Cell Batteries Child-Proof Package Non-Coated AirTag Compatible 4-Pack
- Price
- $4.82
- Rating
- 4.7/5
- Reviews
- 186,626
- Age
- 8y ago

Renata 321 SR616SW Batteries - 1.55V Silver Oxide 321 Watch Battery (2 Count)
- Price
- $3.50
- Rating
- 4.8/5
- Reviews
- 384
- Age
- 4y ago

5 321 Energizer Watch Batteries SR616SW Battery Cell (5 Batteries Per Pack)
- Price
- $7.83
- Rating
- 4.7/5
- Reviews
- 3,601
- Age
- 19y ago
Newest
by launch date
Renata 321 SR616SW Batteries - 1.55V Silver Oxide 321 Watch Battery (2 Count)
- Price
- $3.50
- Rating
- 4.8/5
- Reviews
- 384
- Age
- 4y ago

KaPonsec 321 SR616SW 1.5V Silver Oxide Watch Battery (10-Pack)
- Price
- $6.98
- Rating
- 4.5/5
- Reviews
- 67
- Age
- 4y ago

SKOANBE 321 SR616SW 1.5V Watch Battery Button Cell (10-Pack)
- Price
- $8.17
- Rating
- 4.7/5
- Reviews
- 313
- Age
- 5y ago

Murata 321 Battery SR616SW 1.55V Silver Oxide Watch Button Cell (5 Batteries)
- Price
- $5.97
- Rating
- 4.7/5
- Reviews
- 1,000
- Age
- 6y ago

UOGTNON 321 SR616SW Watch Battery 1.5V Button Cell (10-Pack)
- Price
- $7.38
- Rating
- 4.7/5
- Reviews
- 1,312
- Age
- 6y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 66% of clicks. Leaders hold, but buyers still shop past them.
Brands
7 rising
Sellers
32
Est. top-5 brand share
92%
Top 20: 100%
Est. top-5 click share
66%
Top 20: 100%
Open market
3%
- Energizer38%
- Renata32%
- UOGTNON10%
- Amazon Basics6%
- Murata6%
- SKOANBE5%
- Open — no brand owns it (1 brand, 3%)
Demand
321 Watch Battery search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.2×
Search terms
Top 321 Watch Battery search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 321 watch battery38K/yr
- sr616sw watch battery21K/yr
- watch battery 32110K/yr
- sr616sw8K/yr
- 3217K/yr
- 321 battery7K/yr
- renata 321 watch battery5K/yr
- battery 3213K/yr
- energizer 321 watch battery3K/yr
- sr616sw battery3K/yr
Reviews and returns
What reviews say buyers love and hate about 321 Watch Battery
We read the reviews and the return reasons for every product selling here.
“Bad batteries”
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.
14 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 321 Watch 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









