---
title: "Resmed Airsense 11 Dc Adapter — $158K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/resmed-airsense-11-dc-adapter"
last_updated: "2026-08-11T15:04:15.427Z"
locale: en
meta:
description: "Niche score 47/100 · $158K/yr market · 52K searches/yr · $25.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 47/100 · $158K/yr market · 52K searches/yr · $25.53 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Resmed Airsense 11 Dc Adapter — $158K/yr Amazon US Niche (2026) - Flapen"
---
# **resmed airsense 11 dc adapter**
**Skip it**
A concentrated shelf (top 5 take 74% of clicks) — this niche doesn't clear our bar today.
Market size 33Growth 35Conversion 95Competition 21Returns 41Price range 77Avg price 95Brand share 43Review moat 86Quality gap 23
**Conversion**
**Great****12.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$25.53**
avg listing price — sweet spot $15–$100
**Review moat**
**Great****281.21**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Great****$10.13–$31.99**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Returns**
**Okay****3.7%**
return rate — above 5% kills the launch gate
**Growth**
**Okay****+8.3%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$158K**
$158K/yr · 52K searches
**Quality gap**
**Bad****4.6★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****74%**
top-5 click share — a locked-up shelf
**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, resmed airsense 11 dc adapter is a $158K/yr Amazon United States market (52K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Jul. Verdict: Skip it — 47/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **resmed airsense 11 dc adapter market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **$153K–$204K**
- units × avg price
- **Conversion rate**
- **12.0%**
- **Avg BSR**
- **#686**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **35 months**
- **Avg seller age**
- **143 days**
## **Competition & brand share**
The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**12 **—flat
**Sellers**
**13**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**74%**
Top 20: 100%
**Open market**
**17%**
- FLGAN31% - HKY21% - NENASEW13% - Arkare7% - LIFKAHY7% - vhbw4% - Open — no brand owns it (6 brands, 17%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +8.3% search growth over the last 90 days.
1K750Spike '25Prime Day '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jul · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/resmed-airsense-11-dc-adapter/trend)
## **Top resmed airsense 11 dc adapter search terms**
- **resmed airsense 11 power cord**14K/yr+8.1%13.5% conv. - **resmed power cord**12K/yr+11.4%8.8% conv. - **resmed airsense 11 power supply**6K/yr+14.2%15.5% conv. - **airsense 11 power cord**8K/yr-8.2%12.7% conv. - **resmed cpap power cord**5K/yr+1.8%10.9% conv. - **resmed 11 power cord**4K/yr+48.9%14.3% conv. - **airsense 11 power supply**3K/yr-2.5%13.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/resmed-airsense-11-dc-adapter/search-terms)
## **Top resmed airsense 11 dc 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.
0%10%$16K20%$32K30%$47K40%$63K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 14 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**65W 24V 2.71A Power Supply Charger Compatible with ResMed AirSense 11 AutoSet Elite CPAP Air11 65W 39205 E1399 ResMed 390010 R390-7230 Power Cord resmed airsense 11 Charger**FLGAN**$28.85**4.6★340 rev](https://www.amazon.com/dp/B0BBVLDBN2) [2**HKY Replacement Resmed AirSense 11 Power Supply 24V 65W AC Adapter for All Resmed AirSense 11 CPAP Machine AirSense 11 AutoSet/AirSense 11 Elite/AirSense 11 CPAP Power Cord Resmed Airsense 11 Supplies**HKY**$28.63**4.8★294 rev](https://www.amazon.com/dp/B0BYHTFJLG) [3**65W Replacement CPAP Adapter for Resmed Airsense 11 CPAP AirSense 11 AutoSet/AirSense 11 Elite AirMini Portable CPAP Charger; E1399 39205 38828 Resmed AirSense 11 CPAP Power Supply 24V**NENASEW**$26.63**4.6★212 rev](https://www.amazon.com/dp/B0DYV4NSVZ) [4**Arkare 65W 24V 2.71A Power Cord Compatible with ResMed AirSense 11 Supplies S11 AirMini AutoSet Elite CPAP Machine Air11 E1399 39205 390000 390010 R390-7230 Power Supply Charger 10.8FT**Arkare**$20.10**4.1★64 rev](https://www.amazon.com/dp/B0D48QL3HX) [5**LIFKAHY 65W Charger Compatible with Resmed AirSense 11 Power Supply 24V/2.71A AC Adapter Compatible with AirSense 11 AutoSet Elite CPAP Machine AirMini Auto CPAP Machines 390010 R390-7230 Power Cord**LIFKAHY**$29.80**4.6★30 rev](https://www.amazon.com/dp/B0FKSLX5W4)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**VRAVEK 65W Charger Compatible with ResMed AirSense 11 CPAP Machines Air11 AutoSet Elite Replacement Power Cord Supply 39205 390010 E1399 R390-7230 24V 2.71A AC Adapter**VRAVEK**$28.27**24 rev3mo ago](https://www.amazon.com/dp/B0GVJFFZ19) [**24V 65W Power Supply Compatible with AD-ResMed AirSense 11 AirSense 11 AutoSet AirSense 11 CPAP AirSense 11 Elite CPAP AD-ResMed 390010 R390-7230 Power Cord**SANJOON**$23.02**7 rev10mo ago](https://www.amazon.com/dp/B0FPLP6BSY) [**LIFKAHY 65W Charger Compatible with Resmed AirSense 11 Power Supply 24V/2.71A AC Adapter Compatible with AirSense 11 AutoSet Elite CPAP Machine AirMini Auto CPAP Machines 390010 R390-7230 Power Cord**LIFKAHY**$29.80**30 rev11mo ago](https://www.amazon.com/dp/B0FKSLX5W4) [**LIFKAHY 90W AC Adapter for ResMed Cpap Airsense 10 Power Cord ResMed aircurve 10 Autoset for Her CPAP Elite Power Adapter for AirCurve 10 and AirCurve 10S 10VAuto 10 ASV Charger (Yellow tip 1 pin)**LIFKAHY**$31.99**49 rev11mo ago](https://www.amazon.com/dp/B0FKH7PH2B) [**90W AC Adapter Replacement for Resmed AirSense 10 CPAP Machine/Elite/AutoSet/AutoSet for Her AirSense 10 Power Cord; AirCurve 10 Bilevel 10 S/10 VAuto/10 ASV; 370001 resmed airsense 10 Power Supply**NENASEW**$21.97**179 rev1y ago](https://www.amazon.com/dp/B0F43JDJQF)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**VRAVEK 65W Charger Compatible with ResMed AirSense 11 CPAP Machines Air11 AutoSet Elite Replacement Power Cord Supply 39205 390010 E1399 R390-7230 24V 2.71A AC Adapter**VRAVEK**$28.27**4.9★**▲ 283%**](https://www.amazon.com/dp/B0GVJFFZ19) [**24V 65W Power Supply Compatible with AD-ResMed AirSense 11 AirSense 11 AutoSet AirSense 11 CPAP AirSense 11 Elite CPAP AD-ResMed 390010 R390-7230 Power Cord**SANJOON**$23.02**4.6★**▲ 199%**](https://www.amazon.com/dp/B0FPLP6BSY) [**LIFKAHY 65W Charger Compatible with Resmed AirSense 11 Power Supply 24V/2.71A AC Adapter Compatible with AirSense 11 AutoSet Elite CPAP Machine AirMini Auto CPAP Machines 390010 R390-7230 Power Cord**LIFKAHY**$29.80**4.6★**▲ 164%**](https://www.amazon.com/dp/B0FKSLX5W4) [**LIFKAHY 90W AC Adapter for ResMed Cpap Airsense 10 Power Cord ResMed aircurve 10 Autoset for Her CPAP Elite Power Adapter for AirCurve 10 and AirCurve 10S 10VAuto 10 ASV Charger (Yellow tip 1 pin)**LIFKAHY**$31.99**4.5★**▲ 75%**](https://www.amazon.com/dp/B0FKH7PH2B) [**HKY Replacement Resmed AirSense 11 Power Supply 24V 65W AC Adapter for All Resmed AirSense 11 CPAP Machine AirSense 11 AutoSet/AirSense 11 Elite/AirSense 11 CPAP Power Cord Resmed Airsense 11 Supplies**HKY**$28.63**4.8★**▲ 39%**](https://www.amazon.com/dp/B0BYHTFJLG)
**~~View all trending →~~**
## **What buyers say about resmed airsense 11 dc adapter**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**16%
*“Plug fits securely”*
**Value For Money**16%
*“Fair price”*
**Advertised Vs Actual Product**16%
*“As advertised”*
**Compatibility-Overall**12%
*“no compatibility issues”*
**Quality-Overall**9%
*“Good Quality”*
**Portability**6%
*“Also put it in my travel bag so I wouldn't accidentally forget to pack it when I traveled”*
**Durability**5%
*“fairly durable”*
**Charging**4%
*“Reliable Charger”*
**Efficiency**3%
*“Works perfectly”*
**Ease Of Use**2%
*“It was easy to use”*
### **What buyers complain about **
**Noise Level**13%
*“except thatit has a buzz/hum”*
**Durability**11%
*“understand that long-term durability is harder to predict than with an OEM replacement”*
**Size-Overall**10%
*“Wrong size”*
**Quality-Overall**8%
*“Cheap”*
**Value For Money**6%
*“There is a lot of competition at this PSU's price point”*
**Functionality-Overall**5%
*“that should have worked did not”*
**Heating**4%
*“the power box gets extremely hot”*
**Length**4%
*“The power cord itself is about 1ft shorter than the original”*
**Advertised Vs Actual Product**3%
*“Power Cord Not as Shown”*
**Thickness**3%
*“Cord very thin”*
### **Top return reasons **
**Compatibility-Overall**33%
**Functionality-Overall**14%
**Size-Overall**13%
**Defective Material/Parts**8%
**Connectivity-Overall**6%
**Charging**6%
**Advertised Vs Actual Product**4%
**Value For Money**4%
**Noise Level**3%
**Socket/Port/Plug**3%
## **Common questions**
- **Is resmed airsense 11 dc adapter profitable to sell on Amazon United States?**
- The niche generates $158K/yr across 14 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +8.3%. Flapen's verdict: Skip it (47/100).
- **How competitive is the resmed airsense 11 dc adapter niche?**
- 12 brands and 13 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in resmed airsense 11 dc adapter?**
- Top complaints mined from reviews: Noise Level, Durability, Size-Overall. The return rate is 3.7%.
- **When does demand for resmed airsense 11 dc adapter peak?**
- Demand peaks in Jul; the busiest month runs 1.5× the quietest.
- **What does it cost to enter the resmed airsense 11 dc adapter niche?**
- Listings span $10.13–$31.99; the average listing price is $25.53 (sweet spot $15–$100). The average incumbent carries 281 reviews — the moat a new listing must climb.
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