---
title: "377 Watch Battery — $685K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/377-watch-battery"
last_updated: "2026-08-06T20:48:35.646Z"
locale: en
meta:
description: "Niche score 48/100 · $685K/yr market · 539K searches/yr · $5.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · $685K/yr market · 539K searches/yr · $5.49 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "377 Watch Battery — $685K/yr Amazon US Niche (2026) - Flapen"
---
# **377 watch battery**
**Skip it**
Prices mostly outside the sweet spot ($3.36–$10.00) — this niche doesn't clear our bar today.
Market size 68Growth 38Conversion 100Competition 30Returns 97Price range 0Avg price 15Brand share 39Review moat 23Quality gap 20
**Conversion**
**Incredible****23.1%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.5%**
return rate — above 5% kills the launch gate
**Market size**
**Good****$685K**
$685K/yr · 539K searches
**Brand share**
**Okay****82%**
top-5 brand share — brands hold most of the demand
**Growth**
**Okay****+10.0%**
90-day search growth — must beat 0% to launch
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****7,037.5**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****$5.49**
avg listing price — sweet spot $15–$100
**Price range**
**Bad****$3.36–$10.00**
cheapest 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 ~~](https://flapen.com/research/methodology)
## **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.
12K8K seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/health-household/377-watch-battery/trend)
## **Top 377 watch battery search terms**
- **377 watch battery**190K/yr+11.3%19.9% conv. - **watch battery 377**86K/yr+17.0%17.0% conv. - **377 battery**51K/yr+2.8%16.5% conv. - **watch batteries 377**33K/yr+15.1%12.6% conv. - **battery 377**31K/yr+7.6%18.0% conv. - **377/376 watch battery**31K/yr+8.0%21.8% conv. - **377a watch battery**15K/yr+10.1%10.4% conv. - **renata 377 watch battery**14K/yr+6.6%13.3% conv. - **376/377 watch battery**13K/yr+3.2%22.6% conv. - **v377 watch battery**12K/yr+6.3%16.8% conv. [**All search terms **](https://flapen.com/research/us/health-household/377-watch-battery/search-terms)
## **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.
0%10%$69K20%$137K30%$206K40%$274K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Duracell 377/376 Silver Oxide Button Batteries 2 Count (Pack of 1) Battery with Long-Lasting Power for Watches Calculators and More**DURACELL**$5.26**4.7★10,710 rev](https://www.amazon.com/dp/B07GN8KDWJ) [2**Energizer 377/376 Watch Batteries (Pack of 5)**Energizer**$6.55**4.7★12,138 rev](https://www.amazon.com/dp/B01AVJBH8I) [3**Energizer 377 Silver Oxide Button Battery 2 Pack**Energizer**$5.21**4.7★13,468 rev](https://www.amazon.com/dp/B001G7PJ2A) [4**PKCELL SR626sw Watch Battery 10 Count 377 Watch Battery LR626 Battery**PKCELL**$5.17**4.7★1,636 rev](https://www.amazon.com/dp/B00ZT63GD8) [5**SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))**Fuspower**$5.50**4.7★1,079 rev](https://www.amazon.com/dp/B0CRKMZ7GQ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))**Fuspower**$5.50**1,079 rev2y ago](https://www.amazon.com/dp/B0CRKMZ7GQ) [**DURNERGY SR626SW Watch Battery 10 Pack AG4 Alkaline Button Cell Battery 377/376 Watch Batteries 1.5V LR626 Batteries 377A**DURNERGY**$4.83**787 rev2y ago](https://www.amazon.com/dp/B0CN6XMDFW) [**10 Pack SR626SW 377 Watch Batteries 1.55V Silver Oxide Button Cell Battery**YKM**$5.98**985 rev2y ago](https://www.amazon.com/dp/B0CFVKRNPK) [**SKOANBE 10Pack SR626SW 377 LR626 AG4 1.5V Watch Battery**SKOANBE**$4.77**14,534 rev6y ago](https://www.amazon.com/dp/B07ZFBJKDX) [**Cotchear 10pcs 1.5V AG4 LR626 Alkaline Button Battery L626 LR626 LR66 SR626 377 SR626SW Batteries Coin Cells for Watches Calculators Toys**Cotchear**$4.05**2,351 rev7y ago](https://www.amazon.com/dp/B09ZQFK3S8)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**SR626SW Watch Batteries 377 376 LR626 Battery AG4 1.5v Alkaline Coin Cells (10 Count (Pack of 1))**Fuspower**$5.50**4.7★**▲ 146%**](https://www.amazon.com/dp/B0CRKMZ7GQ) [**PKCELL SR626sw Watch Battery 10 Count 377 Watch Battery LR626 Battery**PKCELL**$5.17**4.7★**▲ 103%**](https://www.amazon.com/dp/B00ZT63GD8) [**Energizer 377 Silver Oxide Button Battery 2 Pack**Energizer**$5.21**4.7★**▲ 83%**](https://www.amazon.com/dp/B001G7PJ2A) [**DURNERGY SR626SW Watch Battery 10 Pack AG4 Alkaline Button Cell Battery 377/376 Watch Batteries 1.5V LR626 Batteries 377A**DURNERGY**$4.83**4.7★**▲ 68%**](https://www.amazon.com/dp/B0CN6XMDFW) [**Renata 377 SR626SW Batteries - 1.55V Silver Oxide 377 Watch Battery (2 Count)**Renata**$3.36**4.6★**— 8%**](https://www.amazon.com/dp/B004563P34)
**~~View all trending →~~**
## **What buyers say about 377 watch battery**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Battery Life**27%
*“Great reliable battery life”*
**Value For Money**26%
*“Great value”*
**Advertised Vs Actual Product**14%
*“As Described”*
**Quality-Overall**12%
*“Good quality”*
**Size-Overall**8%
*“Fit perfect”*
**Ease Of Use**2%
*“Easy to use”*
**Watch Mechanism**2%
*“Perfect watch battery”*
**Efficiency**1%
*“works well”*
**Durability**1%
*“Seems to be lasting as they should”*
**Assembly/Installation**1%
*“Easy to Install”*
### **What buyers complain about **
**Battery Life**44%
*“Poor battery life”*
**Durability**13%
*“Did not last”*
**Size-Overall**7%
*“They didn't fit my watch”*
**Value For Money**5%
*“waste of money”*
**Functionality-Overall**5%
*“Does not work”*
**Ease Of Use**2%
*“Next to impossible to use”*
**Quality-Overall**2%
*“Spend a little more for better quality”*
**Natural Resource Wastage**1%
*“Waste of time”*
**Advertised Vs Actual Product**1%
*“Misleading”*
**Charging**1%
*“are not fully charged”*
### **Top return reasons **
**Size-Overall**53%
**Battery Life**10%
**Compatibility-Overall**9%
**Functionality-Overall**8%
**Advertised Vs Actual Product**8%
**Value For Money**4%
**Defective Material/Parts**2%
**Charging**1%
**Durability**1%
**Watch Mechanism**1%
## **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.
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