- Flapen Score
- 32 / 100Ranks 7,308 of 8,347 Electronics niches · −11 vs the category median of 4332
- Market size
- $94K/yr92K searches / yr
- 90-day growth
- -10.9%search demand this quarter
- Competition
- 89%top-5 click share · 6 brands · 14 sellers
Flapen Score
Opus against its category
The dotted line is the Electronics average. Past it, Opus is stronger. Inside it, weaker.
Market
The Opus market on Amazon at a glance
Shoppers on Amazon United States searched for Opus 92K times last year and spent an estimated $94K. The top 5 brands take 98% of clicks. Demand peaks in Apr–Jul–Aug. Flapen scores it 32 out of 100, a Fail.
01 · Demand
An estimated 2.1% of those searches ended in a purchase.
Shoppers searched for this 92K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 2.1% of those searches ended in a purchase. Searches in the last 90 days moved -10.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated $94K a year.
- Searches, last 12 months
- 92K
- Growth, 90 days vs prior 90
- -10.9%
- Conversion, latest week
- 2.1%
- Market size, estimated
- $94Ka year
- Peak month
- July3.6× the quietest month
- Top search term
- opus75K searches a year
02 · Price
A sale here is worth $47.82.
Listings sell for $47.82 on average, from $34.91 to $59.90. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $47.82 that is $0 to $5K a year per listing.
- Average price
- $47.82inside the $15 to $100 sweet spot
- Price range
- $34.91–$59.90
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$5K
- Returns
- 3.1%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
89% of listings pay for placement with sponsored ads. 89% ship with Prime. On an average day, 2.6% of listings are out of stock. The average listing ranks #13,202 within Household Batteries, Chargers & Accessories. It carries 488 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 89%
- Prime listings
- 89%
- Out of stock, average day
- 2.6%
- Average rank
- #13,202in Household Batteries, Chargers & Accessories
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 488per listing
- Listings tracked
- 9
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 51 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 51 months
Products
Top Opus products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 22, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Opus Battery Charger Analyzer Tester for Li-ion NiMH NiCd Rechargeable Batteries C3400 BT-C3400 AA AAA C 18650
- Price
- $58.04
- Rating
- 4.6/5
- Reviews
- 256
- Age
- 7y ago

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)
- Price
- $59.90
- Rating
- 4.5/5
- Reviews
- 803
- Age
- 10y ago

BT-C2400 Battery Charger Analyzer Tester for AA AAA NiMH NiCd Rechargeable Batteries
- Price
- $39.17
- Rating
- 4.7/5
- Reviews
- 720
- Age
- 11y ago

Battery Charger Universal 4 Bay Charger with LCD Display(Version 3.0)
- Price
- $43.47
- Rating
- 4.6/5
- Reviews
- 191
- Age
- 5y ago

Generic Battery Charger Tester Analyzer for Household Rechargeable Batteries AA AAA NiMH NiCd Li-ion 18650 26650
- Price
- $50.17
- Rating
- 4.7/5
- Reviews
- 13
- Age
- 1y ago
Trending
estimated 90-day click momentum
Battery Charger Universal 4 Bay Charger with LCD Display(Version 3.0)
- Price
- $43.47
- Rating
- 4.6/5
- Reviews
- 191
- Age
- 5y ago

Opus Battery Charger Analyzer Tester for Li-ion NiMH NiCd Rechargeable Batteries C3400 BT-C3400 AA AAA C 18650
- Price
- $58.04
- Rating
- 4.6/5
- Reviews
- 256
- Age
- 7y ago

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)
- Price
- $59.90
- Rating
- 4.5/5
- Reviews
- 803
- Age
- 10y ago

BT-C2400 Battery Charger Analyzer Tester for AA AAA NiMH NiCd Rechargeable Batteries
- Price
- $39.17
- Rating
- 4.7/5
- Reviews
- 720
- Age
- 11y ago

Baby Einstein Ocean Explorers Go Opus Go 4-in-1 Crawl & Chase Activity Learning Toy Music and Lights Ages 3 Months to 5 Years
- Price
- $34.91
- Rating
- 4.7/5
- Reviews
- 1,081
- Age
- 2y ago
Newest
by launch date
Battery Charger Tester Analyzer for Household Rechargeable Batteries C3400
- Price
- $50.32
- Rating
- 4.3/5
- Reviews
- 17
- Age
- 1y ago

Generic Battery Charger Tester Analyzer for Household Rechargeable Batteries AA AAA NiMH NiCd Li-ion 18650 26650
- Price
- $50.17
- Rating
- 4.7/5
- Reviews
- 13
- Age
- 1y ago

Baby Einstein Ocean Explorers Go Opus Go 4-in-1 Crawl & Chase Activity Learning Toy Music and Lights Ages 3 Months to 5 Years
- Price
- $34.91
- Rating
- 4.7/5
- Reviews
- 1,081
- Age
- 2y ago

C3400 Battery Charger Tester Analyzer Li-ion NiMH NiCd with Car Adapter AAA AA C 18650
- Price
- $56.09
- Rating
- 4.7/5
- Reviews
- 71
- Age
- 4y ago

Battery Charger Universal 4 Bay Charger with LCD Display(Version 3.0)
- Price
- $43.47
- Rating
- 4.6/5
- Reviews
- 191
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 89% of clicks. A locked shelf that new listings rarely crack.
Brands
6 falling
Sellers
14
Est. top-5 brand share
98%
Top 20: 100%
Est. top-5 click share
89%
Top 20: 100%
Open market
0%
- Carlsan47%
- OPUS34%
- Generic10%
- sofirn4%
- Baby Einstein3%
- Nitecore2%
Demand
Opus search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Apr, Jul, Aug · busiest ÷ quietest = 3.6×
Search terms
Top Opus search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- opus75K/yr
- opus bt-c31007K/yr
- opus battery charger6K/yr
- opus bt-c34003K/yr
Reviews and returns
What reviews say buyers love and hate about Opus
We read the reviews and the return reasons for every product selling here.
“will not recharge”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
21 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Opus questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









