EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output vs Medistrom Pilot-24 Lite CPAP Battery Backup Power Supply, 95Wh, for ResMed AirSense 10, AirMini, S9, and select compatible 24V PAP devices
Head-to-head spec comparison to help you pick the right kit component for your needs.
EcoFlow
$449
Medistrom
$339
Spec Winner
Wins on 2 of 3 spec categories
Spec-by-Spec Comparison
| Spec | EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output | Medistrom Pilot-24 Lite CPAP Battery Backup Power Supply, 95Wh, for ResMed AirSense 10, AirMini, S9, and select compatible 24V PAP devices |
|---|---|---|
| Kit Role | Caregiver room power station; supports tested CPAP and some concentrator setups, not medical-grade UPS | Dedicated CPAP battery backup: UPS-style failover for compatible 24V PAP machines without relying on the main power station |
| Category | power-station | cpap-battery |
| Renter Install | no install | no install |
| Building Fit | plug-in | bedside |
| Max Power | 1800 W | N/A |
| Channels | N/A | N/A |
| Clear LOS Range | N/A | N/A |
| Coverage | N/A | N/A |
| Battery Life | N/A | 8 hrs |
| Water Resistant | No | No |
| SOS Button | No | No |
| Weather Alerts | No | No |
| License Required | No | No |
| Subscription Required | No | No |
| Subscription/mo | 0 $ | 0 $ |
| Price | $449 | $339 |
| Rating | 9.0/10 | 8.0/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output
Pros
- Pure sine wave inverter (1800W continuous, 2700W surge) supports many CPAP machines and some oxygen-concentrator setups within tested wattage limits
- 1024Wh LiFePO4 (LFP) battery can carry many non-humidified CPAP setups overnight after a full-device test
- Charges to 80% in ~50 minutes via AC wall outlet — fast top-up between storms or before a predicted outage
- Six AC outlets (US model) plus USB-C 100W; enough for a measured bedside load such as CPAP, lamp, phone, or medication fridge
- 10-year LFP battery lifespan (~3000 cycles to 80%) vs. ~500 cycles for older lithium chemistries
Cons
- 26 lbs — heavy for a frail elderly user to move alone; needs a fixed bedside location
- App-based remote monitoring requires smartphone familiarity (app optional, not required for basic use)
- At $449 MSRP it is the most expensive item in this kit; sale prices of $399–$428 are common
- Not a medical-grade UPS or life-support backup; EcoFlow lists 30ms EPS transfer and says compatibility must be tested
- EcoFlow warns against using it for medical emergency equipment related to personal safety without device/manufacturer guidance
Medistrom Pilot-24 Lite CPAP Battery Backup Power Supply, 95Wh, for ResMed AirSense 10, AirMini, S9, and select compatible 24V PAP devices
Pros
- Seamless UPS-mode failover: the Pilot-24 Lite passes AC power through to the CPAP normally and switches to battery in milliseconds on power loss — no buttons, no action required from a sleeping user
- 8–16 hours runtime at typical CPAP pressures (up to 10 cmH2O), covering a full night in most outage scenarios
- Purpose-built for ResMed AirSense 10, AirMini, and S9, with select other 24V PAP devices supported by separate cable kits
- 95Wh capacity sits under the FAA 100Wh spare-lithium threshold, so it is practical for carry-on CPAP travel
- Recharges in 2–3 hours; lighter (1.3 lb) and smaller than a general-purpose power station
Cons
- Works only with compatible 24V CPAP/APAP devices — not universal; verify the exact CPAP model and cable before buying
- Heated humidifiers, heated tubing, mask leaks, and high pressures can cut runtime sharply
- At $339 it is expensive per watt-hour versus a general power station, but the pass-through UPS function justifies the premium for CPAP-critical use
- 95Wh is not enough to run other devices simultaneously — single-purpose
- Not compatible with ventilator BiPAP or high-flow oxygen concentrators
Our Verdicts
EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output
The DELTA 2 is a strong caregiver-room power station, not a universal medical backup. Its 1800W pure-sine inverter and 1024Wh battery can run many CPAP and some oxygen-concentrator setups within wattage and surge limits, but the exact machine, cable, humidifier setting, and AC timeout behavior must be tested. Use it for capacity; use a dedicated CPAP battery or medical-grade backup when uninterrupted failover or life-safety equipment is involved.
Medistrom Pilot-24 Lite CPAP Battery Backup Power Supply, 95Wh, for ResMed AirSense 10, AirMini, S9, and select compatible 24V PAP devices
The Pilot-24 Lite is the best secondary layer for a CPAP user who needs automatic overnight failover without relying solely on a larger power station. It sits in-line with a compatible 24V PAP machine, passes wall power through while the grid is live, and switches to battery when power fails. The catch is compatibility and runtime discipline: confirm the exact CPAP model and cable, test the real pressure setting, and plan to disable heated humidification when runtime matters.
EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output
$449
Medistrom Pilot-24 Lite CPAP Battery Backup Power Supply, 95Wh, for ResMed AirSense 10, AirMini, S9, and select compatible 24V PAP devices
$339