---
title: "371 Watch Battery — $111K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/371-watch-battery"
last_updated: "2026-08-06T19:56:36.609Z"
locale: en
meta:
description: "Niche score 42/100 · $111K/yr market · 65K searches/yr · $6.44 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 42/100 · $111K/yr market · 65K searches/yr · $6.44 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "371 Watch Battery — $111K/yr Amazon US Niche (2026) - Flapen"
---
# **371 watch battery**
**Skip it**
Prices mostly outside the sweet spot ($2.79–$11.15) — this niche doesn't clear our bar today.
Market size 27Growth 47Conversion 100Competition 30Returns 96Price range 0Avg price 18Brand share 7Review moat 29Quality gap 35
**Conversion**
**Incredible****26.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.8%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+17.3%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Competition**
**Okay****67%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****3,613**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Okay****$111K**
$111K/yr · 65K searches
**Avg price**
**Bad****$6.44**
avg listing price — sweet spot $15–$100
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****$2.79–$11.15**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 371 watch battery is a $111K/yr Amazon United States market (65K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Aug–Sep–Oct–Nov–Dec. Verdict: Skip it — 42/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **371 watch battery market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,000–1,250/product
- **Revenue / yr**
- **$97K–$129K**
- units × avg price
- **Conversion rate**
- **26.4%**
- **Avg BSR**
- **#325**
- **Page quality**
- **0%**
- **Prime**
- **75%**
- **Sponsored**
- **25%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **61 months**
- **Avg seller age**
- **171 days**
## **Competition & brand share**
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**6 **▲rising
**Sellers**
**38**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**67%**
Top 20: 100%
**Open market**
**0%**
- Renata61% - Energizer14% - Best Price Square10% - DURACELL9% - LiCB3% - PKCELL3% - Open — no brand owns it (0%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +17.3% search growth over the last 90 days.
7K5KHoliday '24Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Aug, Sep, Oct, Nov, Dec · busiest ÷ quietest = 4.0×
[**Open Trend **](https://flapen.com/research/us/health-household/371-watch-battery/trend)
## **Top 371 watch battery search terms**
- **renata 371 watch battery**28K/yr+20.9%21.9% conv. - **371 renata watch battery**10K/yr+29.2%20.4% conv. - **renata 371**9K/yr+20.9%17.5% conv. - **energizer 371/370 watch battery**8K/yr+0.1%22.4% conv. - **371 watch battery renata**3K/yr+85.6%20.4% conv. - **duracell 370/371 watch battery**4K/yr-17.4%27.0% conv. - **v370 watch battery**3K/yr-13.2%21.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/371-watch-battery/search-terms)
## **Top 371 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%$11K20%$22K30%$33K40%$44K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (2 Count)**Renata**$4.87**4.6★3,305 rev](https://www.amazon.com/dp/B00MU3FWUS) [2**Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (2 Count)**Renata**$4.55**4.6★6,690 rev](https://www.amazon.com/dp/B00478PLI2) [3**371/370 Energizer Watch Batteries SR920W 5 Batteries**Energizer**$8.50**4.7★268 rev](https://www.amazon.com/dp/B00DJICOAE) [4**Duracell 370/371 Silver Oxide Button Battery 1 Count Pack 370/371 1.5 Volt Battery Long-Lasting for Watches Medical Devices Calculators and More**DURACELL**$5.80**4.6★10,279 rev](https://www.amazon.com/dp/B07GN2H8X6) [5**Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (10 Count)**Renata**$11.15**4.6★6,690 rev](https://www.amazon.com/dp/B00MU3L91E)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button Cell Battery**PKCELL**$5.25**498 rev1y ago](https://www.amazon.com/dp/B0DHRC6K45) [**Renata 370 SR920W Batteries - 1.55V Silver Oxide 370 Watch Battery (2 Count)**Renata**$5.59**535 rev4y ago](https://www.amazon.com/dp/B09VVFD4C9) [**LiCB 10 Pack 371 SR920SW Watch Battery Long-Lasting & Leak-Proof High Capacity Silver Oxide 1.55V Button Cell Batteries for Watch**LiCB**$6.08**7,085 rev6y ago](https://www.amazon.com/dp/B085T7LF2B) [**LiCB 20 Pack SR920SW 371 370 AG6 Battery 1.5V Button Cell Watch Batteries**LiCB**$7.09**13,569 rev8y ago](https://www.amazon.com/dp/B07DJ9G64D) [**Renata Silver Oxide Watch Battery 371 - SR920SW (10 Batteries)**Renata**$10.13**543 rev9y ago](https://www.amazon.com/dp/B06ZY2R1KL)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Renata 371 SR920SW Batteries - 1.55V Silver Oxide 371 Watch Battery (10 Count)**Renata**$11.15**4.6★**▲ 133%**](https://www.amazon.com/dp/B00MU3L91E) [**PKCELL 10 Pack SR920SW Watch Battery 370 371 AG6 Button Cell Battery**PKCELL**$5.25**4.5★**▲ 79%**](https://www.amazon.com/dp/B0DHRC6K45) [**371/370 Energizer Watch Batteries SR920W 5 Batteries**Energizer**$8.50**4.7★**▲ 60%**](https://www.amazon.com/dp/B00DJICOAE) [**:Renata 371 - SR920SW Wrist Watch Battery Button Cell - Low Drain Silver Oxide Mercury-Free 1.55v Modern**Best Price Square**$2.79**4.5★**▲ 59%**](https://www.amazon.com/dp/B0015QCYQG) [**Energizer 371/370 Silver Oxide Watch Battery**Energizer**$3.70**4.4★**▲ 58%**](https://www.amazon.com/dp/B001C19TNA)
**~~View all trending →~~**
## **What buyers say about 371 watch battery**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Battery Life**26%
*“Long lasting batteries”*
**Value For Money**21%
*“very affordable”*
**Advertised Vs Actual Product**17%
*“Accurate Description”*
**Size-Overall**14%
*“Fit perfect”*
**Quality-Overall**8%
*“Item was in good condition no complaints from me”*
**Efficiency**4%
*“Works fine”*
**Durability**3%
*“Very durable”*
**Ease Of Use**1%
*“Useful”*
**Design-Overall**0%
*“working as designed”*
**Functionality-Overall**0%
*“The other worked fine”*
### **What buyers complain about **
**Battery Life**52%
*“BATTERIES DON'T WORK”*
**Durability**9%
*“Didn't last even one year”*
**Functionality-Overall**7%
*“Did not work”*
**Charging**7%
*“Battery low on charge scam”*
**Quality-Overall**4%
*“Its hard to believe that there is any quality control at this point at Amazon”*
**Value For Money**3%
*“What a waste of money”*
**Size-Overall**3%
*“You need to find the correct size for each watch as it is NOT one size fits all”*
**Software/Application**1%
*“Dont listen to Google AI”*
**Advertised Vs Actual Product**1%
*“Sure doesn't look the the photo when I purchased this”*
**Compatibility-Overall**1%
*“Not compatible”*
### **Top return reasons **
**Size-Overall**42%
**Battery Life**14%
**Functionality-Overall**14%
**Advertised Vs Actual Product**8%
**Compatibility-Overall**7%
**Value For Money**4%
**Charging**3%
**Defective Material/Parts**1%
**Quality-Overall**1%
**Ease Of Use**1%
## **Common questions**
- **Is 371 watch battery profitable to sell on Amazon United States?**
- The niche generates $111K/yr across 16 tracked products. 90-day search growth is +17.3%. Flapen's verdict: Skip it (42/100).
- **How competitive is the 371 watch battery niche?**
- 6 brands and 38 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in 371 watch battery?**
- Top complaints mined from reviews: Battery Life, Durability, Functionality-Overall. The return rate is 0.8%.
- **When does demand for 371 watch battery peak?**
- Demand peaks in Aug–Sep–Oct–Nov–Dec; the busiest month runs 4.0× the quietest.
- **What does it cost to enter the 371 watch battery niche?**
- Listings span $2.79–$11.15; the average listing price is $6.44 (sweet spot $15–$100). The average incumbent carries 3,613 reviews — the moat a new listing must climb.
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