377 watch battery
Skip itPrices mostly outside the sweet spot ($3.36–$10.00) — this niche doesn't clear our bar today.
Conversion
Incredible23.1%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.5%return rate — above 5% kills the launch gate
Market size
Good$685K$685K/yr · 539K searches
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Growth
Okay+10.0%90-day search growth — must beat 0% to launch
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Review moat
Bad7,037.5avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Avg price
Bad$5.49avg listing price — sweet spot $15–$100
Price range
Bad$3.36–$10.00cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 377 watch battery is a $685K/yr Amazon United States market (539K searches/yr). The top 5 brands hold 82% of demand. Verdict: Skip it — 48/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
377 watch battery market data
- Units sold / yr
- 125K–150K
- avg 6,000–8,000/product
- Revenue / yr
- $686K–$824K
- units × avg price
- Conversion rate
- 23.1%
- Avg BSR
- #124
- Page quality
- 0%
- Prime
- 93%
- Sponsored
- 71%
- Out of stock
- 0.4%
- Avg brand age
- 82 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
11 falling
Sellers
57
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
14%
- DURACELL34%
- Energizer23%
- PKCELL9%
- Fuspower9%
- Renata7%
- Cotchear4%
- Open — no brand owns it (5 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +10.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.2×
Top 377 watch battery search terms
- 377 watch battery190K/yr
- watch battery 37786K/yr
- 377 battery51K/yr
- watch batteries 37733K/yr
- battery 37731K/yr
- 377/376 watch battery31K/yr
- 377a watch battery15K/yr
- renata 377 watch battery14K/yr
- 376/377 watch battery13K/yr
- v377 watch battery12K/yr
Top 377 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 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Duracell 377/376 Silver Oxide Button Batteries 2 Count (Pack of 1) Battery with Long-Lasting Power for Watches Calculators and More
DURACELL$5.264.7★10,710 rev
Energizer 377/376 Watch Batteries (Pack of 5)
Energizer$6.554.7★12,138 rev
Energizer 377 Silver Oxide Button Battery 2 Pack
Energizer$5.214.7★13,468 rev
PKCELL SR626sw Watch Battery 10 Count 377 Watch Battery LR626 Battery
PKCELL$5.174.7★1,636 rev
SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))
Fuspower$5.504.7★1,079 rev
Newest
by launch dateSR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))
Fuspower$5.501,079 rev
DURNERGY SR626SW Watch Battery 10 Pack AG4 Alkaline Button Cell Battery 377/376 Watch Batteries 1.5V LR626 Batteries 377A
DURNERGY$4.83787 rev
10 Pack SR626SW 377 Watch Batteries 1.55V Silver Oxide Button Cell Battery
YKM$5.98985 rev
SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery
SKOANBE$4.7714,534 rev
Cotchear 10pcs 1.5V AG4 LR626 Alkaline Button Battery L626 LR626 LR66 SR626 377 SR626SW Batteries Coin Cells for Watches Calculators Toys
Cotchear$4.052,351 rev
Trending
90-day click momentumSR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))
Fuspower$5.504.7★
PKCELL SR626sw Watch Battery 10 Count 377 Watch Battery LR626 Battery
PKCELL$5.174.7★
Energizer 377 Silver Oxide Button Battery 2 Pack
Energizer$5.214.7★
DURNERGY SR626SW Watch Battery 10 Pack AG4 Alkaline Button Cell Battery 377/376 Watch Batteries 1.5V LR626 Batteries 377A
DURNERGY$4.834.7★
Renata 377 SR626SW Batteries - 1.55V Silver Oxide 377 Watch Battery (2 Count)
Renata$3.364.6★
What buyers say about 377 watch battery
What buyers praise and complain about, mined from review topics.What buyers love
“Great reliable battery life”
“Great value”
“As Described”
“Good quality”
“Fit perfect”
“Easy to use”
“Perfect watch battery”
“works well”
“Seems to be lasting as they should”
“Easy to Install”
What buyers complain about
“Poor battery life”
“Did not last”
“They didn't fit my watch”
“waste of money”
“Does not work”
“Next to impossible to use”
“Spend a little more for better quality”
“Waste of time”
“Misleading”
“are not fully charged”
Top return reasons
Common questions
- Is 377 watch battery profitable to sell on Amazon United States?
- The niche generates $685K/yr across 14 tracked products. 90-day search growth is +10.0%. Flapen's verdict: Skip it (48/100).
- How competitive is the 377 watch battery niche?
- 11 brands and 57 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in 377 watch battery?
- Top complaints mined from reviews: Battery Life, Durability, Size-Overall. The return rate is 0.5%.
- When does demand for 377 watch battery peak?
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- What does it cost to enter the 377 watch battery niche?
- Listings span $3.36–$10.00; the average listing price is $5.49 (sweet spot $15–$100). The average incumbent carries 7,038 reviews — the moat a new listing must climb.