resmed airsense 11 dc adapter
Skip itA concentrated shelf (top 5 take 74% of clicks) — this niche doesn't clear our bar today.
Conversion
Great12.0%search→purchase rate — share of searches ending in a sale
Avg price
Incredible$25.53avg listing price — sweet spot $15–$100
Review moat
Great281.21avg incumbent reviews — the moat a new listing must climb
Price range
Great$10.13–$31.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.7%return rate — above 6% kills the launch gate
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Growth
Okay+8.3%90-day search growth — must beat 0% to launch
Market size
Okay$158K$158K/yr · 52K searches
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad74%top-5 click share — a locked-up shelf
Competition
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%
Open market
17%
- FLGAN31%
- HKY21%
- NENASEW13%
- Arkare7%
- LIFKAHY7%
- vhbw4%
- Open — no brand owns it (6 brands, 17%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 14 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$28.854.6★340 rev
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$28.634.8★294 rev
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$26.634.6★212 rev
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$20.104.1★64 rev
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$29.804.6★30 rev
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$28.2724 rev
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$23.027 rev
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$29.8030 rev
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$31.9949 rev
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$21.97179 rev
Trending
90-day click momentumVRAVEK 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$28.274.9★
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$23.024.6★
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$29.804.6★
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$31.994.5★
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$28.634.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +8.3% search growth over the last 90 days.Peak months: Jul · busiest ÷ quietest = 1.5×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Plug fits securely”
“Fair price”
“As advertised”
“no compatibility issues”
“Good Quality”
“Also put it in my travel bag so I wouldn't accidentally forget to pack it when I traveled”
“fairly durable”
“Reliable Charger”
“Works perfectly”
“It was easy to use”
What buyers complain about
“except thatit has a buzz/hum”
“understand that long-term durability is harder to predict than with an OEM replacement”
“Wrong size”
“Cheap”
“There is a lot of competition at this PSU's price point”
“that should have worked did not”
“the power box gets extremely hot”
“The power cord itself is about 1ft shorter than the original”
“Power Cord Not as Shown”
“Cord very thin”