---
title: "373 Battery Watch — $99K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/373-battery-watch"
last_updated: "2026-08-06T15:43:18.561Z"
locale: en
meta:
description: "Niche score 34/100 · $99K/yr market · 82K searches/yr · $7.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 34/100 · $99K/yr market · 82K searches/yr · $7.08 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "373 Battery Watch — $99K/yr Amazon US Niche (2026) - Flapen"
---
# **373 battery watch**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 25Growth 36Conversion 98Competition 10Returns 99Price range 0Avg price 20Brand share 0Review moat 11Quality gap 23
**Returns**
**Incredible****0.2%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****17.0%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+8.9%**
90-day search growth — must beat 0% to launch
**Market size**
**Bad****$99K**
$99K/yr · 82K searches
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Avg price**
**Bad****$7.08**
avg listing price — sweet spot $15–$100
**Review moat**
**Bad****28,859.22**
avg incumbent reviews — the moat a new listing must climb
**Competition**
**Bad****88%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****$3.81–$12.12**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, 373 battery watch is a $99K/yr Amazon United States market (82K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 34/100.
Data updated Jul 21, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **373 battery watch market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$106K–$142K**
- units × avg price
- **Conversion rate**
- **17.0%**
- **Avg BSR**
- **#405**
- **Page quality**
- **0%**
- **Prime**
- **67%**
- **Sponsored**
- **22%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **65 months**
- **Avg seller age**
- **170 days**
## **Competition & brand share**
The top 5 products capture 88% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**5 **▲rising
**Sellers**
**26**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**88%**
Top 20: 100%
**Open market**
**0%**
- Renata81% - Amazon Basics9% - Murata4% - Best Price Square3% - Maxell3%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +8.9% search growth over the last 90 days.
2K2KSpike '24Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/health-household/373-battery-watch/trend)
## **Top 373 battery watch search terms**
- **373 watch battery**35K/yr+11.0%16.7% conv. - **sr916sw watch battery**20K/yr+2.8%16.8% conv. - **watch battery 373**7K/yr+12.3%15.7% conv. - **373 battery**7K/yr+17.8%13.8% conv. - **sr916sw**7K/yr+12.8%15.1% conv. - **sr916sw battery**4K/yr-5.9%12.5% conv. - **renata 373 watch battery**3K/yr+11.1%24.1% conv. [**All search terms **](https://flapen.com/research/us/health-household/373-battery-watch/search-terms)
## **Top 373 battery watch 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%15%$15K30%$30K45%$45K60%$59K101001K10K100K1.0M 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**#373 Renata Watch Batteries 2Pcs**Renata**$5.22**4.7★1,559 rev](https://www.amazon.com/dp/B00478NMOM) [2**Renata 4 373 Button Cell Watch 0% Hg Mercury Free Batteries**Renata**$8.60**4.6★486 rev](https://www.amazon.com/dp/B00NB9I8WE) [3**Renata #373 Silver Oxide Battery - 5 Pack**Renata**$9.85**4.6★152 rev](https://www.amazon.com/dp/B008L6Y8DU) [4**Renata 373 SR916SW Batteries - 1.55V Silver Oxide 373 Watch Battery (2 Count)**Renata**$5.19**4.7★126 rev](https://www.amazon.com/dp/B09VVHPZDW) [5**Amazon Basics CR2032 3V Lithium Coin Cell Batteries Child-Proof Package Non-Coated AirTag Compatible 4-Pack**Amazon Basics**$4.82**4.7★186,626 rev](https://www.amazon.com/dp/B0787K2XWZ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Renata 373 SR916SW Batteries - 1.55V Silver Oxide 373 Watch Battery (2 Count)**Renata**$5.19**126 rev4y ago](https://www.amazon.com/dp/B09VVHPZDW) [**Murata 373 Battery SR916SW 1.55V Silver Oxide Watch Button Cell (10 Batteries)**Murata**$12.12**656 rev6y ago](https://www.amazon.com/dp/B088HDH5BY) [**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) [**Amazon Basics CR2032 3V Lithium Coin Cell Batteries Child-Proof Package Non-Coated AirTag Compatible 4-Pack**Amazon Basics**$4.82**186,626 rev8y ago](https://www.amazon.com/dp/B0787K2XWZ) [**5pk Maxell SR916SW SR68 SR916 373 Silver Oxide Watch Battery by Maxell**Maxell**$8.58**20 rev10y ago](https://www.amazon.com/dp/B01AVJ6GMA)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Basics CR2032 3V Lithium Coin Cell Batteries Child-Proof Package Non-Coated AirTag Compatible 4-Pack**Amazon Basics**$4.82**4.7★**▲ 59%**](https://www.amazon.com/dp/B0787K2XWZ) [**Renata 373 SR916SW Batteries - 1.55V Silver Oxide 373 Watch Battery (2 Count)**Renata**$5.19**4.7★**▲ 49%**](https://www.amazon.com/dp/B09VVHPZDW) [**Renata 4 373 Button Cell Watch 0% Hg Mercury Free Batteries**Renata**$8.60**4.6★**▲ 32%**](https://www.amazon.com/dp/B00NB9I8WE) [**Renata #373 Silver Oxide Battery - 5 Pack**Renata**$9.85**4.6★**▲ 26%**](https://www.amazon.com/dp/B008L6Y8DU) [**5pk Maxell SR916SW SR68 SR916 373 Silver Oxide Watch Battery by Maxell**Maxell**$8.58**4.6★**— 0%**](https://www.amazon.com/dp/B01AVJ6GMA)
**~~View all trending →~~**
## **What buyers say about 373 battery watch**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**27%
*“Great Deal”*
**Battery Life**23%
*“good battery's”*
**Quality-Overall**16%
*“Excellent product”*
**Advertised Vs Actual Product**11%
*“Works as it should”*
**Size-Overall**6%
*“In this case they were a perfect fit”*
**Efficiency**4%
*“Gets the job done”*
**Compatibility-Overall**3%
*“Excellent value compatibility and performance”*
**Durability**2%
*“Long lasting & easy to use”*
**Ease Of Use**1%
*“Useful”*
**Charging**1%
*“a good charge”*
### **What buyers complain about **
**Battery Life**40%
*“Low battery life”*
**Durability**15%
*“Don't last”*
**Functionality-Overall**7%
*“Does not work properly at all”*
**Quality-Overall**6%
*“Poor performance Air Tags”*
**Thickness**4%
*“These batteries are not even the same thickness as my old batteries”*
**Size-Overall**3%
*“thus won't fit”*
**Charging**3%
*“message follows the battery so definitely poor charge”*
**Value For Money**3%
*“Waste of Money”*
**Compatibility-Overall**2%
*“Won't fine in my bs monitor”*
**Ease Of Use**2%
*“it's really, really difficult to get them out of the packaging”*
### **Top return reasons **
**Size-Overall**52%
**Compatibility-Overall**14%
**Value For Money**12%
**Functionality-Overall**7%
**Advertised Vs Actual Product**5%
**Battery Life**4%
**Durability**1%
**Assembly/Installation**1%
**Charging**1%
**Connectivity-Overall**0%
## **Common questions**
- **Is 373 battery watch profitable to sell on Amazon United States?**
- The niche generates $99K/yr across 9 tracked products. 90-day search growth is +8.9%. Flapen's verdict: Skip it (34/100).
- **How competitive is the 373 battery watch niche?**
- 5 brands and 26 sellers compete. The top 5 products take 88% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in 373 battery watch?**
- Top complaints mined from reviews: Battery Life, Durability, Functionality-Overall. The return rate is 0.2%.
- **When does demand for 373 battery watch peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the 373 battery watch niche?**
- Listings span $3.81–$12.12; the average listing price is $7.08 (sweet spot $15–$100). The average incumbent carries 28,859 reviews — the moat a new listing must climb.
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