---
title: "377/376 Watch Battery — $132K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/377-376-watch-battery"
last_updated: "2026-08-06T18:02:30.539Z"
locale: en
meta:
description: "Niche score 36/100 · $132K/yr market · 80K searches/yr · $5.66 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 36/100 · $132K/yr market · 80K searches/yr · $5.66 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "377/376 Watch Battery — $132K/yr Amazon US Niche (2026) - Flapen"
---
# **377/376 watch battery**
**Skip it**
Prices mostly outside the sweet spot ($4.03–$10.00) — this niche doesn't clear our bar today.
Market size 30Growth 30Conversion 100Competition 12Returns 98Price range 0Avg price 16Brand share 14Review moat 21Quality gap 20
**Conversion**
**Incredible****29.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.3%**
return rate — above 5% kills the launch gate
**Market size**
**Okay****$132K**
$132K/yr · 80K searches
**Growth**
**Okay****+3.8%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****12,137.56**
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****$5.66**
avg listing price — sweet spot $15–$100
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****86%**
top-5 click share — a locked-up shelf
**Price range**
**Bad****$4.03–$10.00**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 377/376 watch battery is a $132K/yr Amazon United States market (80K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 36/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **377/376 watch battery market data**
- **Units sold / yr**
- **20K–25K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$113K–$142K**
- units × avg price
- **Conversion rate**
- **29.4%**
- **Avg BSR**
- **#128**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **78%**
- **Out of stock**
- **0.6%**
- **Avg brand age**
- **87 months**
- **Avg seller age**
- **176 days**
## **Competition & brand share**
The top 5 products capture 86% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▼falling
**Sellers**
**51**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**86%**
Top 20: 100%
**Open market**
**3%**
- DURACELL45% - Energizer28% - Fuspower13% - DURNERGY5% - Amazon Basics4% - CPANCELL3% - Open — no brand owns it (1 brand, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 100 weeks — +3.8% search growth over the last 90 days.
2K2KSpike '25 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/health-household/377-376-watch-battery/trend)
## **Top 377/376 watch battery search terms**
- **377/376 watch battery**31K/yr+8.0%22.5% conv. - **376/377 watch battery**13K/yr+3.2%22.8% conv. - **energizer 377/376 watch battery**10K/yr+3.8%26.1% conv. - **battery 377/376**5K/yr-8.3%27.9% conv. - **watch battery 377/376**4K/yr-0.3%26.6% conv. - **376 watch battery**4K/yr+2.9%18.6% conv. - **duracell 376/377 watch battery**3K/yr+4.1%28.9% conv. - **watch batteries 377/376**3K/yr-2.6%19.2% conv. - **v376/v377 watch battery**3K/yr+3.4%26.1% conv. - **377/376 battery**3K/yr+0.0%21.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/377-376-watch-battery/search-terms)
## **Top 377/376 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%$13K20%$26K30%$40K40%$53K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 9 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**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) [4**Energizer 377/376 Silver Oxide 10 Batteries**Energizer**$10.00**4.7★9,522 rev](https://www.amazon.com/dp/B000RB1R1I) [5**Duracell 376/377 Silver Oxide Button Battery 1 Count Pack 376/377 1.5 Volt Battery Long-Lasting for Watches Medical Devices Calculators and More**DURACELL**$4.22**4.7★2,775 rev](https://www.amazon.com/dp/B00005T3DT)
**~~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) [**CPANCELL SR626SW Watch Battery 376 377 LR626 AG4 1.5V Watch Battery (10 Count)**CPANCELL**$4.03**415 rev3y ago](https://www.amazon.com/dp/B0CNR4C31W) [**Amazon Basics 6-Pack LR44 Alkaline Button Cell Replacement Battery 1.5 Volt Long Lasting Power Mercury-Free**Amazon Basics**$5.50**69,218 rev6y ago](https://www.amazon.com/dp/B07JLBCH8L) [**LOOPACELL 377/376 / SR626W / SR626SW / Silver Oxide Watch Batteries (Pack of 5) - 1.55V Long Lasting Coin Cell Battery for Watches Toys Decorations Wristwatches Remote Control Mini Radio**LOOPACELL**$5.07**2,594 rev12y ago](https://www.amazon.com/dp/B0749X1W4D)
**~~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★**▲ 93%**](https://www.amazon.com/dp/B0CRKMZ7GQ) [**Amazon Basics 6-Pack LR44 Alkaline Button Cell Replacement Battery 1.5 Volt Long Lasting Power Mercury-Free**Amazon Basics**$5.50**4.7★**▲ 21%**](https://www.amazon.com/dp/B07JLBCH8L) [**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★**— 10%**](https://www.amazon.com/dp/B0CN6XMDFW) [**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★**— 3%**](https://www.amazon.com/dp/B07GN8KDWJ) [**Energizer 377/376 Silver Oxide 10 Batteries**Energizer**$10.00**4.7★**— 2%**](https://www.amazon.com/dp/B000RB1R1I)
**~~View all trending →~~**
## **What buyers say about 377/376 watch battery**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**27%
*“Great value”*
**Battery Life**23%
*“Long battery life”*
**Quality-Overall**15%
*“As good as popular brands”*
**Advertised Vs Actual Product**14%
*“As Described”*
**Size-Overall**9%
*“In this case they were a perfect fit”*
**Efficiency**3%
*“Gets the job done”*
**Watch Mechanism**1%
*“Works well for watch”*
**Ease Of Use**1%
*“Handy”*
**Assembly/Installation**1%
*“easy to install”*
**Energy Level**1%
*“At least an Energizer Bunny will work, no problem”*
### **What buyers complain about **
**Battery Life**44%
*“Bad Batteries”*
**Functionality-Overall**10%
*“thus do not work in some items”*
**Size-Overall**9%
*“thus won't fit”*
**Value For Money**7%
*“Cheap”*
**Durability**7%
*“died very quickly”*
**Thickness**4%
*“These batteries are not even the same thickness as my old batteries”*
**Quality-Overall**3%
*“Not sure if they are just as good as the name brand or not”*
**Ease Of Use**2%
*“Next to impossible to use”*
**Rusts/Corrodes**2%
*“Corroded in the package”*
**Compatibility-Overall**2%
*“Did not work with what I put it in”*
### **Top return reasons **
**Size-Overall**54%
**Compatibility-Overall**13%
**Functionality-Overall**8%
**Advertised Vs Actual Product**8%
**Battery Life**7%
**Value For Money**3%
**Defective Material/Parts**1%
**Quality-Overall**1%
**Watch Mechanism**1%
**Charging**1%
## **Common questions**
- **Is 377/376 watch battery profitable to sell on Amazon United States?**
- The niche generates $132K/yr across 9 tracked products. 90-day search growth is +3.8%. Flapen's verdict: Skip it (36/100).
- **How competitive is the 377/376 watch battery niche?**
- 7 brands and 51 sellers compete. The top 5 products take 86% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in 377/376 watch battery?**
- Top complaints mined from reviews: Battery Life, Functionality-Overall, Size-Overall. The return rate is 0.3%.
- **When does demand for 377/376 watch battery peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the 377/376 watch battery niche?**
- Listings span $4.03–$10.00; the average listing price is $5.66 (sweet spot $15–$100). The average incumbent carries 12,138 reviews — the moat a new listing must climb.
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