adapter
Worth a lookShows no brand lock-in (top 5 brands take 34% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Brand share
Incredible34%top-5 brand share — no brand owns this niche
Market size
Great$1.9M$1.9M/yr · 2.6M searches
Competition
Great29%top-5 click share — an open shelf
Returns
Great1.6%return rate — above 5% kills the launch gate
Conversion
Good6.9%search→purchase rate — share of searches ending in a sale
Price range
Okay$4.17–$22.65cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$10.72avg listing price — sweet spot $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Growth
Bad-2.0%90-day search growth — must beat 0% to launch
Review moat
Bad16,970.21avg incumbent reviews — the moat a new listing must climb
According to Flapen's Amazon United States niche tracking, adapter is a $1.9M/yr Amazon United States market (2.6M searches/yr). The top 5 brands hold 34% of demand. Demand peaks in Jan. Verdict: Worth a look — 64/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
adapter market data
- Units sold / yr
- 150K–200K
- avg 3,000–4,000/product
- Revenue / yr
- $1.6M–$2.1M
- units × avg price
- Conversion rate
- 6.9%
- Avg BSR
- #52
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 94%
- Out of stock
- 0.4%
- Avg brand age
- 41 months
- Avg seller age
- 165 days
Competition & brand share
Clicks spread well past the top 5 (29% combined) — an open shelf where new products get seen.Brands
45 falling
Sellers
74
Top-5 brand share
34%
Top 20: 78%
Top-5 click share
29%
Top 20: 66%
Open market
61%
- UGREEN8%
- DENGWENQIANG8%
- Syntech7%
- Anker7%
- Basesailor5%
- SZHAIYIJIN5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -2.0% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.9×
Top adapter search terms
- adapter635K/yr
- usb adapter510K/yr
- usb c adapter422K/yr
- type c adapter182K/yr
- usbc adapter190K/yr
- iphone adapter154K/yr
- adaptador59K/yr
- usb-c adapter65K/yr
- adaptor52K/yr
- adapters44K/yr
Top adapter 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
2 Pack USB C Charger Block Dual Port Type C Wall Charger Fast Charging 20W Power Adapter Cube for iPhone 14/14 Pro/14 Pro Max/14 Plus/13/12/11 XS/XR/X iPad Samsung More
DENGWENQIANG$6.794.6★21,679 rev

Syntech USB C to USB Adapter Pack of 2 USB 3.0 Female to Thunderbolt 4/3 Adapter Compatible with MacBook Pro Air 2024 Surface iPad iPhone Galaxy Notebook XPS and More Type C Devices Space Grey
Syntech$8.304.7★190,039 rev

UGREEN USB to USB C Adapter & USB C to USB Adapter Combo 4-Pack 10Gbps Type C USBC Adapter Compatible with MacBook iPhone 17/16/15 iPad Samsung Galaxy Apple Watch
UGREEN$8.024.7★3,384 rev

Elebase USB to USB C Adapter for iPhone 17 4Pack USBC Female to A Male Car Charger Adapter Type C Converter Apple 17e 16 Pro Max 15 14 Plus iWatch Watch 11 10 Ultra 3 iPad Air Samsung Galaxy S26
Elebase$9.114.7★66,723 rev

Hiearcool USB C Hub for MacBook 7-in-1 USBC Adapter with 4K HDMI 100W PD USB 3.0 5Gbps Ports SD/TF Card Reader USB-C Dongle for Office Meetings Travel & Home Setup-Space Grey
Hiearcool$18.444.6★51,726 rev
Newest
by launch date
10-Pack 10Gbps/120W USB C to USB Adapter & C Male to 3.1 Female Charger Compatible with MacBook Pro/Air iPhone 16 15 Pro Max/15 Plus/14 13 12 Samsung Galaxy S24/S23/S22/S21
Pastall$9.83645 rev

UGREEN USB to USB C Adapter & USB C to USB Adapter Combo 4-Pack 10Gbps Type C USBC Adapter Compatible with MacBook iPhone 17/16/15 iPad Samsung Galaxy Apple Watch
UGREEN$8.023,384 rev

Denlane SD Card Reader for iPhone iPad USB C & Lightning Dual Interface Memory Card Reader Digital Camera Adapter to iPhone/MacBook/USBC Laptop for SD/TF/Sim Card Plug & Play Camera Accessories
Denlane$7.84764 rev

USB C SD Card Reader Type C SD Card Reader Supports SD and MicroSD Memory Card Adapters for iPhone 15 16/iPad/MacBook/Mac Trail Camera Viewer Plug and Play -2 Slots
LBSC$5.33626 rev

Apple 20W USB-C Compact Power Adapter: Fast and Convenient Charging Type C Wall Charger
Apple$14.6212,229 rev
Trending
90-day click momentum
USB C SD Card Reader Type C SD Card Reader Supports SD and MicroSD Memory Card Adapters for iPhone 15 16/iPad/MacBook/Mac Trail Camera Viewer Plug and Play -2 Slots
LBSC$5.334.4★

Denlane SD Card Reader for iPhone iPad USB C & Lightning Dual Interface Memory Card Reader Digital Camera Adapter to iPhone/MacBook/USBC Laptop for SD/TF/Sim Card Plug & Play Camera Accessories
Denlane$7.844.6★

10-Pack 10Gbps/120W USB C to USB Adapter & C Male to 3.1 Female Charger Compatible with MacBook Pro/Air iPhone 16 15 Pro Max/15 Plus/14 13 12 Samsung Galaxy S24/S23/S22/S21
Pastall$9.834.6★

UGREEN USB to USB C Adapter & USB C to USB Adapter Combo 4-Pack 10Gbps Type C USBC Adapter Compatible with MacBook iPhone 17/16/15 iPad Samsung Galaxy Apple Watch
UGREEN$8.024.7★

UANTIN USB C Hub 7 in 1 Multiport Adapter with 4K HDMI Dongle 100W PD SD/TF Card Reader 3 USB-A USBC Docking Station for MacBook Mac Pro/Air Dell HP ASUS Acer and Other Type C Laptops
UANTIN$9.704.5★
What buyers say about adapter
What buyers praise and complain about, mined from review topics.What buyers love
“AS advertised”
“Amazing quality”
“Charger works well”
“Decent price”
“easy to handle”
“Compatible to macbook”
“Amazing plug”
“Great for Travel”
“Easy Connection”
“Best fit”
What buyers complain about
“Breaks easily”
“No charge”
“Barely works”
“Garbage quality”
“Bad connectivity”
“Incompatible”
“The port is also loose”
“Did not fit”
“Gets Hot”
“False advertisement”
Top return reasons
Common questions
- Is adapter profitable to sell on Amazon United States?
- The niche generates $1.9M/yr across 62 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -2.0%. Flapen's verdict: Worth a look (64/100).
- How competitive is the adapter niche?
- 45 brands and 74 sellers compete. The top 5 products take 29% of clicks and top 5 brands hold 34% of demand.
- What do buyers complain about in adapter?
- Top complaints mined from reviews: Durability, Charging, Functionality-Overall. The return rate is 1.6%.
- When does demand for adapter peak?
- Demand peaks in Jan; the busiest month runs 1.9× the quietest.
- What does it cost to enter the adapter niche?
- Listings span $4.17–$22.65; the average listing price is $10.72 (sweet spot $15–$100). The average incumbent carries 16,970 reviews — the moat a new listing must climb.