Best Solar Generators for CPAP While Camping (2025)
Sleep apnea doesn’t take vacations. If you use a CPAP machine, you need reliable power for camping. A solar generator
lets you sleep safely off-grid without hookups or noisy gas generators.
For full generator reviews, see our guide to the Best Solar Generators
for Home Backup.
CPAP Power Requirements
CPAP machines are surprisingly efficient. Most modern units use 30-60 watts while running, with brief spikes when the
motor starts.
| CPAP Model | Power Draw | 8-Hour Night |
|---|---|---|
| ResMed AirSense 10 | 30-45W (without humidifier) | 240-360Wh |
| ResMed AirSense 11 | 25-40W | 200-320Wh |
| Philips DreamStation | 35-50W | 280-400Wh |
| With Heated Humidifier | +50-80W | +400-640Wh |
Key insight: Without the heated humidifier, a CPAP uses ~300Wh per night. With the humidifier, it’s
600-1,000Wh. Turn off the heater to double your runtime.
Generator Sizing for CPAP
| Trip Length | Energy Needed (No Heat) | Recommended Generator |
|---|---|---|
| 1 night | 300-400Wh | Jackery 500 |
| 2 nights | 600-800Wh | EcoFlow River 2 Pro |
| 3-5 nights | 1,000-1,500Wh | Jackery 1000 |
| Extended + Solar | Recharge daily | Any 1000Wh+ with panels |
Top CPAP-Friendly Generators
Best Overall: Jackery Explorer 1000
The Jackery 1000 is the sweet spot for CPAP camping. It provides 3-4 nights of power without recharging and is light
enough to carry.
- Capacity: 1,002Wh
- Weight: 22 lbs
- CPAP Runtime: 3-4 nights (no humidifier)
- Price: ~$999
Best Budget: EcoFlow River 2
For weekend camping, the River 2 offers excellent value. Light, portable, and enough for 1-2 nights.
- Capacity: 256Wh
- Weight: 7.7 lbs
- CPAP Runtime: 1 night
- Price: ~$299
Best for Extended Trips: Bluetti AC200MAX + Solar
For week-long camping, pair the AC200MAX with 200W of solar panels. Recharge during the day, run CPAP all night.
- Capacity: 2,048Wh
- Weight: 62 lbs (not portable)
- CPAP Runtime: 6-8 nights (or indefinite with solar)
- Price: ~$1,899
CPAP Battery Alternatives
Some CPAP manufacturers sell dedicated travel batteries. These are smaller and lighter but also more expensive per
watt-hour.
| Option | Capacity | Price | Cost per Wh |
|---|---|---|---|
| ResMed Power Station II | 97Wh | $279 | $2.88/Wh |
| Jackery 500 | 518Wh | $499 | $0.96/Wh |
| EcoFlow River 2 | 256Wh | $299 | $1.17/Wh |
Verdict: Dedicated CPAP batteries are overpriced. A general-purpose solar generator gives you more
capacity for less money, plus you can power other devices.
Tips to Maximize CPAP Runtime
- Turn off heated humidifier. This cuts power consumption in half.
- Use a DC adapter. Running directly from DC (12V) avoids inverter losses (10-15% more
efficient). - Lower pressure if medically appropriate. Lower pressure = less power.
- Keep the generator warm. Cold temperatures reduce battery capacity.
Solar Charging for Extended Trips
With 100-200W of solar panels, you can recharge your generator during the day and run your CPAP indefinitely.
| Panel Size | Daily Recharge (Ideal) | CPAP Nights Supported |
|---|---|---|
| 100W panel | 400-500Wh | 1-2 nights |
| 200W panel | 800-1,000Wh | 3-4 nights |
Final Recommendation
For most CPAP users camping: Jackery Explorer 1000. It provides 3-4 nights of runtime, is light
enough to carry, and charges quickly with a 100W solar panel.
For weekend trips only: EcoFlow River 2. Lightweight, affordable, and enough for 1-2 nights.
For extended off-grid living: Bluetti AC200MAX with 200W solar panel kit. True indefinite runtime
with daily solar recharging.
For complete recommendations, see: Best Solar Generators for Home
Backup.