10-second answer: Minimum viable: 12V deep-cycle battery + DC adapter for 2–3 nights. Better: Jackery 1000 + pure sine inverter. Best long outage: dual-fuel generator on outdoor-only schedule.
CPAP users face a different blackout math. This ranking focuses on nights of runtime, not generic mAh marketing.
Need the printable checklist? Open 30-Second Kit Overview in the sidebar — copy or share it to your phone notes.
Talk to your sleep clinic
Confirm DC adapter compatibility and humidifier draw — heated humidifiers can halve runtime.
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