Use-case calculator
CPAP during a power outage
This bundle needs about 682 rated Wh using the fixed 0.85 usable-capacity estimate.
A CPAP is a medical device. These are runtime estimates, not medical advice or a medical-safety guarantee. Test your exact setup at home before relying on it.
| Load | Watts | Hours | Load energy |
|---|---|---|---|
| ResMed CPAP, heated humidifier on | 53 W | 8 h | 424 Wh |
| Router + modem | 15 W | 8 h | 120 Wh |
| LED light bulb | 9 W | 4 h | 36 Wh |
Smallest matching stations
| Model | Rated Wh | Usable Wh | Headroom | MSRP fixture |
|---|---|---|---|---|
| EcoFlow RIVER 2 Pro | 768 Wh | 653 Wh usable | 86 Wh nominal | $599 |
| BLUETTI AC70 | 768 Wh | 653 Wh usable | 86 Wh nominal | $599 |
| Anker SOLIX C800 | 768 Wh | 653 Wh usable | 86 Wh nominal | $649 |
| EcoFlow DELTA 2 | 1024 Wh | 870 Wh usable | 342 Wh nominal | $999 |
| EcoFlow DELTA 3 Plus | 1024 Wh | 870 Wh usable | 342 Wh nominal | $1,099 |
| Anker SOLIX C1000 | 1056 Wh | 898 Wh usable | 374 Wh nominal | $999 |
| Jackery Explorer 1000 v2 | 1070 Wh | 910 Wh usable | 388 Wh nominal | $799 |
| BLUETTI AC180 | 1152 Wh | 979 Wh usable | 470 Wh nominal | $999 |
| Anker SOLIX F1200 | 1229 Wh | 1045 Wh usable | 547 Wh nominal | $1,099 |
| Jackery Explorer 1000 Plus | 1264 Wh | 1074 Wh usable | 582 Wh nominal | $1,199 |
Adjust this scenario
Pick loads, hours, and whether CPAP uses an AC inverter or a compatible DC converter cable.
A CPAP is a medical device. These are runtime estimates, not medical advice or a medical-safety guarantee. Test your exact setup at home before relying on it.