---
title: "Opus — $94K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/electronics/opus"
last_updated: "2026-08-10T16:34:30.732Z"
locale: en
meta:
description: "Niche score 32/100 · $94K/yr market · 92K searches/yr · $47.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 32/100 · $94K/yr market · 92K searches/yr · $47.82 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Opus — $94K/yr Amazon US Niche (2026) - Flapen"
---
# **opus**
**Skip it**
Brand-locked demand (top 5 brands take 98% of clicks) — this niche doesn't clear our bar today.
Market size 24Growth 20Conversion 27Competition 9Returns 48Price range 95Avg price 94Brand share 6Review moat 76Quality gap 27
**Price range**
**Incredible****$34.91–$59.90**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$47.82**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****487.67**
avg incumbent reviews — the moat a new listing must climb
**Returns**
**Okay****3.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Okay****2.1%**
search→purchase rate — share of searches ending in a sale
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****$94K**
$94K/yr · 92K searches
**Growth**
**Bad****-10.9%**
90-day search growth — must beat 0% to launch
**Competition**
**Bad****89%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****98%**
top-5 brand share — brand-locked demand
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500")
According to Flapen's Amazon United States niche tracking, opus is a $94K/yr Amazon United States market (92K searches/yr). The top 5 brands hold 98% of demand. Demand peaks in Apr–Jul–Aug. Verdict: Skip it — 32/100.
Data updated Jul 22, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **opus market data**
- **Units sold / yr**
- **1K–1K**
- avg 0–100/product
- **Revenue / yr**
- **$48K–$60K**
- units × avg price
- **Conversion rate**
- **2.1%**
- **Avg BSR**
- **#13,202**
- **Page quality**
- **0%**
- **Prime**
- **89%**
- **Sponsored**
- **89%**
- **Out of stock**
- **2.6%**
- **Avg brand age**
- **51 months**
- **Avg seller age**
- **174 days**
## **Competition & brand share**
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▼falling
**Sellers**
**14**
**Top-5 brand share**
**98%**
Top 20: 100%
**Top-5 click share**
**89%**
Top 20: 100%
**Open market**
**0%**
- Carlsan47% - OPUS34% - Generic10% - sofirn4% - Baby Einstein3% - Nitecore2%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -10.9% search growth over the last 90 days.
10K6KSpike '24Holiday '24Spike '25Prime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Apr, Jul, Aug · busiest ÷ quietest = 3.6×
[**Open Trend **](https://flapen.com/research/us/electronics/opus/trend)
## **Top opus search terms**
- **opus**75K/yr-6.6%0.1% conv. - **opus bt-c3100**7K/yr-5.7%4.0% conv. - **opus battery charger**6K/yr-32.7%3.3% conv. - **opus bt-c3400**3K/yr-34.2%4.1% conv. [**All search terms **](https://flapen.com/research/us/electronics/opus/search-terms)
## **Top opus 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%$14K30%$28K45%$43K60%$57K101001K10K 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**Opus Battery Charger Analyzer Tester for Li-ion NiMH NiCd Rechargeable Batteries C3400 BT-C3400 AA AAA C 18650**Carlsan**$58.04**4.6★256 rev](https://www.amazon.com/dp/B07T941JCF) [2**Opus BT - C3100 V2.2 Universal Battery Charger Speedy LCD Display Smart Battery Charger for Rechargeable Batteries Ni-MH Ni-Cd AA AAA 3.7V Li-ion 18650 26650 17670 14500 18490 (4-Slot)**OPUS**$59.90**4.5★803 rev](https://www.amazon.com/dp/B01852TBOU) [3**BT-C2400 Battery Charger Analyzer Tester for AA AAA NiMH NiCd Rechargeable Batteries**OPUS**$39.17**4.7★720 rev](https://www.amazon.com/dp/B00MYQ8IYS) [4**Battery Charger Universal 4 Bay Charger with LCD Display(Version 3.0)**sofirn**$43.47**4.6★191 rev](https://www.amazon.com/dp/B0922LN2NH) [5**Generic Battery Charger Tester Analyzer for Household Rechargeable Batteries AA AAA NiMH NiCd Li-ion 18650 26650**Generic**$50.17**4.7★13 rev](https://www.amazon.com/dp/B0DGWS4N8V)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Battery Charger Tester Analyzer for Household Rechargeable Batteries C3400**Generic**$50.32**17 rev1y ago](https://www.amazon.com/dp/B0DJB65XSQ) [**Generic Battery Charger Tester Analyzer for Household Rechargeable Batteries AA AAA NiMH NiCd Li-ion 18650 26650**Generic**$50.17**13 rev1y ago](https://www.amazon.com/dp/B0DGWS4N8V) [**Baby Einstein Ocean Explorers Go Opus Go 4-in-1 Crawl & Chase Activity Learning Toy Music and Lights Ages 3 Months to 5 Years**Baby Einstein**$34.91**1,081 rev2y ago](https://www.amazon.com/dp/B0BS3GJM1B) [**C3400 Battery Charger Tester Analyzer Li-ion NiMH NiCd with Car Adapter AAA AA C 18650**Generic**$56.09**71 rev4y ago](https://www.amazon.com/dp/B09FRFPNXY) [**Battery Charger Universal 4 Bay Charger with LCD Display(Version 3.0)**sofirn**$43.47**191 rev5y ago](https://www.amazon.com/dp/B0922LN2NH)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Battery Charger Universal 4 Bay Charger with LCD Display(Version 3.0)**sofirn**$43.47**4.6★**▲ 78%**](https://www.amazon.com/dp/B0922LN2NH) [**Opus Battery Charger Analyzer Tester for Li-ion NiMH NiCd Rechargeable Batteries C3400 BT-C3400 AA AAA C 18650**Carlsan**$58.04**4.6★**▲ 18%**](https://www.amazon.com/dp/B07T941JCF) [**Opus BT - C3100 V2.2 Universal Battery Charger Speedy LCD Display Smart Battery Charger for Rechargeable Batteries Ni-MH Ni-Cd AA AAA 3.7V Li-ion 18650 26650 17670 14500 18490 (4-Slot)**OPUS**$59.90**4.5★**— 3%**](https://www.amazon.com/dp/B01852TBOU) [**BT-C2400 Battery Charger Analyzer Tester for AA AAA NiMH NiCd Rechargeable Batteries**OPUS**$39.17**4.7★**— 7%**](https://www.amazon.com/dp/B00MYQ8IYS) [**Baby Einstein Ocean Explorers Go Opus Go 4-in-1 Crawl & Chase Activity Learning Toy Music and Lights Ages 3 Months to 5 Years**Baby Einstein**$34.91**4.7★**▼ 17%**](https://www.amazon.com/dp/B0BS3GJM1B)
**~~View all trending →~~**
## **What buyers say about opus**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Fun/Entertainment Experience**29%
*“Amazing toy”*
**Charging**24%
*“Great Battery Charger”*
**Quality-Overall**5%
*“The build quality feels solid”*
**Battery Life**5%
*“The charger provides lots of useful information about the battery”*
**Advertised Vs Actual Product**5%
*“Works as expected”*
**Color**4%
*“Bright colors”*
**Ease Of Use**3%
*“easy to use”*
**Value For Money**3%
*“not cheap”*
**Music/Lullaby**2%
*“The songs are enjoyable for him and me”*
**Flexibility**2%
*“features that allow a lot of flexibility”*
### **What buyers complain about **
**Charging**20%
*“will not recharge”*
**Durability**11%
*“Not that Durable”*
**Battery Life**9%
*“Drains batteries”*
**Noise Level**7%
*“noticeable high pitched noise when charging”*
**Compatibility-Overall**4%
*“AA and AAA don't fit”*
**Value For Money**4%
*“Pricey”*
**Wheel Quality**4%
*“We didnt even get to use it a full day before it stopped working due to hair being stuck in the wheels”*
**Fun/Entertainment Experience**2%
*“I hate this toy”*
**Instructions/User Manual/Troubleshooting**2%
*“The manual leaves much to be desired”*
**Age Suitability**2%
*“My baby is too little”*
### **Top return reasons **
**Functionality-Overall**22%
**Charging**13%
**Product Condition**11%
**Noise Level**7%
**Defective Material/Parts**6%
**Value For Money**6%
**Size-Overall**5%
**Advertised Vs Actual Product**3%
**Gifting Purpose**3%
**Battery Life**3%
## **Common questions**
- **Is opus profitable to sell on Amazon United States?**
- The niche generates $94K/yr across 9 tracked products. 90-day search growth is -10.9%. Flapen's verdict: Skip it (32/100).
- **How competitive is the opus niche?**
- 6 brands and 14 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 98% of demand.
- **What do buyers complain about in opus?**
- Top complaints mined from reviews: Charging, Durability, Battery Life. The return rate is 3.1%.
- **When does demand for opus peak?**
- Demand peaks in Apr–Jul–Aug; the busiest month runs 3.6× the quietest.
- **What does it cost to enter the opus niche?**
- Listings span $34.91–$59.90; the average listing price is $47.82 (sweet spot $15–$100). The average incumbent carries 488 reviews — the moat a new listing must climb.
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