Best Power Station for CPAP / Medical Device Backup
For CPAP / Medical Device Backup, the top pick is EcoFlow RIVER 2 Max (score 91.9/100). 1 of 20 entities in this dataset were excluded by the hard disqualifier for this use-case.
For CPAP / Medical Device Backup, the highest-weighted factor is nightly runtime margin at 35% of the total score, because the unit has to last a full night, not just a few hours. This use-case has a hard requirement: Modified sine wave documented to cause buzzing, power-supply overheating, or erratic CPAP behavior — a safety issue, not a preference. Entities that fail this are excluded outright, not just scored lower.
Ranked Results
EcoFlow RIVER 2 Max leads with a score of 91.9/100. Anker SOLIX C300X follows at 91.1/100, a 0.8-point gap close enough that either is a reasonable pick.
| # | Model | Score |
|---|---|---|
| 🥇 | EcoFlow RIVER 2 Max | no humidifier: 91.9/100 (12.8h) with heated humidifier: 79.3/100 (5.12h) |
| 🥈 | Anker SOLIX C300X | no humidifier: 91.1/100 (7.2h) with heated humidifier: 72.2/100 (2.88h) |
| 🥉 | Jackery Explorer 300 Plus | no humidifier: 90.5/100 (7.2h) with heated humidifier: 71.6/100 (2.88h) |
| 4 | Bluetti Elite 100 V2 | no humidifier: 89.2/100 (25.6h) with heated humidifier: 89.2/100 (10.24h) |
| 5 | EcoFlow RIVER 3 | no humidifier: 88.5/100 (6.13h) with heated humidifier: 72.4/100 (2.45h) |
| 6 | Anker SOLIX C1000 Gen 2 | no humidifier: 88.3/100 (25.6h) with heated humidifier: 88.3/100 (10.24h) |
| 7 | Bluetti AC70 | no humidifier: 87.8/100 (19.2h) with heated humidifier: 86.4/100 (7.68h) |
| 8 | Jackery Explorer 1000 v2 | no humidifier: 87.7/100 (26.75h) with heated humidifier: 87.7/100 (10.7h) |
| 9 | Bluetti Elite 200 V2 | no humidifier: 86.5/100 (51.84h) with heated humidifier: 86.5/100 (20.74h) |
| 10 | Jackery Explorer 2000 v2 | no humidifier: 86.4/100 (51.05h) with heated humidifier: 86.4/100 (20.42h) |
Excluded From This Ranking
- Anker SOLIX C300 DC — inverter_type=none fails pure-sine-wave requirement
Methodology
Scored using weights: {"nightly_runtime_margin":35,"ac_output_headroom":15,"portability_weight":15,"recharge_speed":10,"price_per_wh":15,"verified_data_completeness":10}. Method version 1.0, verified 2026-09-13.