Medistrom Pilot-24 Lite CPAP Battery Backup Power Supply, 95Wh, for ResMed AirSense 10, AirMini, S9, and select compatible 24V PAP devices vs Midland WR400 Deluxe NOAA Weather Alert Radio with SAME Localized Programming, 80+ Emergency Voice & Flashing Alerts, Alarm Clock/AM-FM Radio
Head-to-head spec comparison to help you pick the right kit component for your needs.

Medistrom
$339

Midland
$100
Spec Winner
Wins on 2 of 3 spec categories
Spec-by-Spec Comparison
| Spec | Medistrom Pilot-24 Lite CPAP Battery Backup Power Supply, 95Wh, for ResMed AirSense 10, AirMini, S9, and select compatible 24V PAP devices | Midland WR400 Deluxe NOAA Weather Alert Radio with SAME Localized Programming, 80+ Emergency Voice & Flashing Alerts, Alarm Clock/AM-FM Radio |
|---|---|---|
| Kit Role | Dedicated CPAP battery backup: UPS-style failover for compatible 24V PAP machines without relying on the main power station | Plug-in home weather and civil emergency alert monitor; self-alerts 24/7 with no action required from user |
| Category | cpap-battery | weather-radio |
| Renter Install | no install | plug-in |
| Building Fit | bedside | any room |
| Max Power | N/A | N/A |
| Channels | N/A | 7 |
| Clear LOS Range | N/A | N/A |
| Coverage | N/A | N/A |
| Battery Life | 8 hrs | N/A |
| Water Resistant | No | No |
| SOS Button | No | No |
| Weather Alerts | No | Yes |
| License Required | No | No |
| Subscription Required | No | No |
| Subscription/mo | 0 $ | 0 $ |
| Price | $339 | $100 |
| Rating | 8.0/10 | 8.0/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
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
Midland WR400 Deluxe NOAA Weather Alert Radio with SAME Localized Programming, 80+ Emergency Voice & Flashing Alerts, Alarm Clock/AM-FM Radio
Pros
- Plug-in with 4-AA battery backup: continues alerting through a power outage — exactly the moment it is needed most
- SAME (Specific Area Message Encoding) county-level programming filters out irrelevant state-wide alerts; only the user's county wakes the device
- Three alert modalities — 85 dB siren, synthesized voice announcement, and tri-color flashing LED — accessible to elderly users with hearing or vision impairment
- 80+ alert types (NWS weather + civil FEMA alerts) with no subscription, no app, no internet required
- Dual alarm clock + AM/FM radio: replaces bedside radio so it stays plugged in and relevant 24/7
Cons
- Programming the SAME county codes requires reading the manual once — not truly zero-setup out of the box
- Siren at 85 dB can startle; elderly users with heart conditions may want to lower the alarm volume in settings
- No battery-only portable mode beyond backup AA cells; not designed for travel
Our Verdicts
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.
Midland WR400 Deluxe NOAA Weather Alert Radio with SAME Localized Programming, 80+ Emergency Voice & Flashing Alerts, Alarm Clock/AM-FM Radio
The WR400 is the correct choice for a caregiver kit because it requires no new habits: plug it in, program the home county once, and it wakes the household with voice announcements and flashing lights 24/7 — even during a power outage via AA backup. For an elderly parent who cannot monitor a smartphone or app during a night storm, a dedicated plug-in alert device that shouts and flashes is the most reliable last line of warning.
Medistrom Pilot-24 Lite CPAP Battery Backup Power Supply, 95Wh, for ResMed AirSense 10, AirMini, S9, and select compatible 24V PAP devices
$339
Midland WR400 Deluxe NOAA Weather Alert Radio with SAME Localized Programming, 80+ Emergency Voice & Flashing Alerts, Alarm Clock/AM-FM Radio
$100