397 watch battery
Skip itPrices mostly outside the sweet spot ($3.35–$9.96) — this niche doesn't clear our bar today.
Conversion
Incredible24.7%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.4%return rate — above 5% kills the launch gate
Review moat
Good1,008.8avg incumbent reviews — the moat a new listing must climb
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Growth
Okay+12.0%90-day search growth — must beat 0% to launch
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Avg price
Bad$6.13avg listing price — sweet spot $15–$100
Market size
Bad$55K$55K/yr · 36K searches
Price range
Bad$3.35–$9.96cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 397 watch battery is a $55K/yr Amazon United States market (36K searches/yr). The top 5 brands hold 79% of demand. Verdict: Skip it — 45/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
397 watch battery market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $37K–$49K
- units × avg price
- Conversion rate
- 24.7%
- Avg BSR
- #637
- Page quality
- 0%
- Prime
- 60%
- Sponsored
- 33%
- Out of stock
- 0.0%
- Avg brand age
- 87 months
- Avg seller age
- 175 days
Competition & brand share
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
10 flat
Sellers
36
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
64%
Top 20: 100%
Open market
13%
- Renata34%
- Energizer14%
- KaPonsec11%
- SKOANBE10%
- Cotchear10%
- UOGTNON8%
- Open — no brand owns it (4 brands, 13%)
Top 397 watch battery search terms
- 397 watch battery18K/yr
- sr726sw watch battery4K/yr
- 397/396 watch battery4K/yr
- watch battery 3973K/yr
- 397 battery3K/yr
- sr726sw3K/yr
Top 397 watch 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Renata 397 SR726SW Batteries - 1.55V Silver Oxide 397 Watch Battery (2 Count)
Renata$4.794.6★967 rev

KaPonsec SR726SW 397 396 LR726 Silver Oxide Watch Battery-10Packs
KaPonsec$6.674.4★200 rev

Energizer Silver Oxide Watch Battery 397/396 Button Cell Pack of 5
Energizer$9.414.7★717 rev

SKOANBE SR726SW 397 1.5V Silver Oxide Watch Battery-10 Packs
SKOANBE$7.564.5★282 rev
![Cotchear AG2 396A LR726 SR726SW CX59 LR59 SR59 397 Button Cell Batteries [10 pcs-Pack]](https://m.media-amazon.com/images/I/515pk6Uh4wL.jpg)
Cotchear AG2 396A LR726 SR726SW CX59 LR59 SR59 397 Button Cell Batteries [10 pcs-Pack]
Cotchear$4.354.5★546 rev
Newest
by launch date
Renata 396 SR726W Batteries - 1.55V Silver Oxide 396 Watch Battery (2 Count)
Renata$7.18451 rev

KaPonsec SR726SW 397 396 LR726 Silver Oxide Watch Battery-10Packs
KaPonsec$6.67200 rev

SKOANBE SR726SW 397 1.5V Silver Oxide Watch Battery-10 Packs
SKOANBE$7.56282 rev

UOGTNON 397 SR726SW Watch Battery 1.5V Button Cell (10-Pack)
UOGTNON$6.62203 rev
![Cotchear AG2 396A LR726 SR726SW CX59 LR59 SR59 397 Button Cell Batteries [10 pcs-Pack]](https://m.media-amazon.com/images/I/515pk6Uh4wL.jpg)
Cotchear AG2 396A LR726 SR726SW CX59 LR59 SR59 397 Button Cell Batteries [10 pcs-Pack]
Cotchear$4.35546 rev
Trending
90-day click momentum
KaPonsec SR726SW 397 396 LR726 Silver Oxide Watch Battery-10Packs
KaPonsec$6.674.4★

Renata Batteries 397 Silver Oxide Button Cell Watch Battery (1 Pc)
Renata$3.674.5★

Renata One (1) X 397 Sr726Sw Silver_Oxide Watch Battery 1.55V Blister Packed
Best Price Square$3.354.5★

Energizer Silver Oxide Watch Battery 397/396 Button Cell Pack of 5
Energizer$9.414.7★

SKOANBE SR726SW 397 1.5V Silver Oxide Watch Battery-10 Packs
SKOANBE$7.564.5★
What buyers say about 397 watch battery
What buyers praise and complain about, mined from review topics.What buyers love
“Best deal”
“batteries work fine so far”
“As advertised”
“Renata is a good brand”
“Perfect fit”
“the ones I received were fully charged”
“hopefully long lasting”
“Worked well, full voltage+”
“Working”
“slept watch gets energized”
What buyers complain about
“Batteries arrived dead”
“All dead”
“They didn't fit my watch”
“Not the cheapest option out there”
“Corroded 2-Weeks in”
“Misleading title”
“Didnt even last a full 24 hours in my tiny old watch”
“These are old”
“These are NOT SILVER OXIDE as described”
Top return reasons
Common questions
- Is 397 watch battery profitable to sell on Amazon United States?
- The niche generates $55K/yr across 15 tracked products. 90-day search growth is +12.0%. Flapen's verdict: Skip it (45/100).
- How competitive is the 397 watch battery niche?
- 10 brands and 36 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 79% of demand.
- What do buyers complain about in 397 watch battery?
- Top complaints mined from reviews: Battery Life, Durability, Size-Overall. The return rate is 0.4%.
- What does it cost to enter the 397 watch battery niche?
- Listings span $3.35–$9.96; the average listing price is $6.13 (sweet spot $15–$100). The average incumbent carries 1,009 reviews — the moat a new listing must climb.