cpap battery backup power supply
Skip itPrices mostly outside the sweet spot ($68.36–$355.27) — this niche doesn't clear our bar today.
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Market size
Good$743K$743K/yr · 283K searches
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Review moat
Okay1,993.35avg incumbent reviews — the moat a new listing must climb
Avg price
Okay$216.52avg listing price — sweet spot $15–$100
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Growth
Okay+3.5%90-day search growth — must beat 0% to launch
Returns
Okay5.5%return rate — above 6% kills the launch gate
Conversion
Bad1.2%search→purchase rate — share of searches ending in a sale
Price range
Bad$68.36–$355.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
10 falling
Sellers
18
Top-5 brand share
85%
Open market
11%
- EASYLONGER53%
- Medistrom13%
- EnginStar8%
- BLUETTI5%
- Jackery5%
- MARBERO5%
- Open — no brand owns it (4 brands, 11%)
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 23 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
EASYLONGER ES270 CPAP Battery for Air-travel 99.9Wh CPAP Battery for Camping PD 100W CPAP Power Bank for ResMed AirMini AirSense 11 AirSense10 AirCurve 10/11 Luna TravelPAP Philips DreamStation
EASYLONGER$154.924.3★112 rev
EASYLONGER ES960 CPAP Battery Backup 297.6Wh LiFePO4 Multi-Night CPAP Power Supply for AirSense 11/10 AirCurve 10/11 AirMini DreamStation/2 Travel Camping Outdoor Blackout & Emergency Use
EASYLONGER$262.664.6★86 rev
Medistrom Pilot-24 Lite Bundled with Cables for ResMed S9 AirSense 10 AirMini - 95Wh CPAP Battery Backup Power Supply for CPAP Machine - Camping Power Bank Portable Battery - TSA Approved
Medistrom$331.504.5★114 rev
EnginStar Portable Power Station 300W 296Wh Battery Bank with 110V Pure Sine Wave AC Outlet for Outdoors Camping Hunting and Emergency 80000mAh Backup Battery Power Supply for CPAP
EnginStar$128.354.3★1,672 rev
EASYLONGER ES400 AIR CPAP Battery Backup 148Wh One-Night CPAP Power Supply for ResMed S9 AirSense 11/10 AirCurve 10/11 AirMini DreamStation/2 Travel Camping Outdoor Blackout & Emergency Use
EASYLONGER$161.244.2★69 rev
Newest
by launch date
EASYLONGER ES720 CPAP Battery Backup 266.4Wh Portable Power Supply for ResMed AirSense 10/11 AirCurve 10/11 AirMini Philips DreamStation 1/2 Emergency CPAP Battery for Outdoor Camping
EASYLONGER$202.8616 rev
EASYLONGER CPAP Battery Backup Power Supply ES720 PRO 276.48Wh Battery Pack for AirSense 11 AirSense 10 AirCurve 10/11 AirMini Philips Dreamstation/ 2 Emergency Batterys for Outdoor Camping
EASYLONGER$234.81342 rev
EASYLONGER ES960 PRO CPAP Battery Pack 297.6Wh High Capacity CPAP Power Supply for Camping Portable Power Station for ResMed AirSense 11/10 AirCurve 11/10 AirMini Luna TravelPAP DreamStation
EASYLONGER$296.2328 rev
EASYLONGER ES720 PRO CPAP Battery Pack 276Wh CPAP Power Supply for Camping Emergency Battery Backup for ResMed AirSense 11/10 AirCurve 11/10 AirMini Luna TravelPAP Philips DreamStation
EASYLONGER$249.5039 rev
EASYLONGER ES270 CPAP Battery for Air-travel 99.9Wh CPAP Battery for Camping PD 100W CPAP Power Bank for ResMed AirMini AirSense 11 AirSense10 AirCurve 10/11 Luna TravelPAP Philips DreamStation
EASYLONGER$154.92112 rev
Trending
90-day click momentumEASYLONGER ES720 CPAP Battery Backup 266.4Wh Portable Power Supply for ResMed AirSense 10/11 AirCurve 10/11 AirMini Philips DreamStation 1/2 Emergency CPAP Battery for Outdoor Camping
EASYLONGER$202.864.5★
HOWEASY Portable Power Station 300W 222Wh Solar Generator with 110V Pure Sine Wave AC Outlet & 65W USB-C Fast Charge for Camping CPAP Home Emergency Travel(Solar Panel Not Included)
HOWEASY$138.464.3★
MARBERO 200W Portable Power Station 148Wh Camping Solar Generator Laptop Power Bank with AC Outlet 110V DC USB QC3.0 LED Flashlights for CPAP Home Outdoor Trip Emergency Backup
MARBERO$104.084.2★
EASYLONGER ES960 PRO CPAP Battery Pack 297.6Wh High Capacity CPAP Power Supply for Camping Portable Power Station for ResMed AirSense 11/10 AirCurve 11/10 AirMini Luna TravelPAP DreamStation
EASYLONGER$296.234.1★
Portable Power Station 300W MARBERO 237Wh Camping Solar Generator Backup Lithium Battery with Pure Sine Wave 110V AC Outlet USB C USB A DC for Outdoors Camping CPAP Home Blackout Emergency
MARBERO$125.654.2★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +3.5% search growth over the last 90 days.Peak months: Jul, Aug, Oct · busiest ÷ quietest = 2.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“easy to charge”
“Long Battery Life”
“Portable Power Station”
“The build quality feels solid”
“Worth it”
“Easy to operate”
“The build quality feels solid”
“As advertised”
“good product for short term or lighter usage”
“Super durable”
What buyers complain about
“Doesn't charge fast”
“Did not last battery at all”
“Broken after a year”
“Didn't work for me”
“Price is high”
“some may not appreciate the size”
“overpriced for size and quality”
“then my small space heater - nothing”
“Misleading”
“very much heavier”