How Long Will the Goal Zero Yeti 500X Run a Humidifier?
Updated 2026-10-17 · Yes
About 11 hours. The Goal Zero Yeti 500X stores 505Wh, and a humidifier averages about 40W. At 8 hours of use a day, one charge lasts about 1 day.
The numbers
| Battery capacity | 505Wh (NMC) |
|---|---|
| Usable energy | 429Wh (85% via AC outlets) |
| Continuous AC output | 300W |
| Surge rating | 600W |
| Humidifier running watts | 40W |
| Startup watts | 40W |
| Average draw | 40W |
| Estimated runtime | 11 hours |
| Energy per day of typical use | 320Wh |
505Wh × 0.85 = 429Wh usable ÷ 40W average = 10.7 hours
Station specs: source, checked 2026-10-17. See how we calculate runtime.
Adjust the numbers
Check the label on your humidifier and enter its real wattage.
Recharging with solar
The Goal Zero Yeti 500X accepts up to 120W of solar input. In real conditions that harvests about 450Wh on a sunny day (5 peak-sun hours).
Solar can keep up. A humidifier uses about 320Wh a day at 8 hours of use, so with enough panels and good sun the Goal Zero Yeti 500X can run it indefinitely.
Tips
- Ultrasonic humidifiers use 25–50W; warm-mist models use far more (200W+).
- You’ll still have about 260W of AC capacity left for other devices at the same time, though they’ll share the same battery.
- The Goal Zero Yeti 500X uses NMC cells, which are lighter but rated for fewer cycles (typically 500–800) than newer LFP models.
Other power stations running a humidifier
| Power station | Capacity | Output | Runtime | Verdict |
|---|---|---|---|---|
| Jackery Explorer 300 Plus | 288Wh | 300W | 6.1 hours | Yes |
| EcoFlow River 2 Max | 512Wh | 500W | 11 hours | Yes |
| Anker 535 PowerHouse | 512Wh | 500W | 11 hours | Yes |
| DJI Power 500 | 512Wh | 1000W | 11 hours | Yes |
| Jackery Explorer 500 | 518Wh | 500W | 11 hours | Yes |
| EcoFlow River 2 Pro | 768Wh | 800W | 16 hours | Yes |
| Anker SOLIX C800 Plus | 768Wh | 1200W | 16 hours | Yes |
| Bluetti AC70 | 768Wh | 1000W | 16 hours | Yes |
FAQ
Will the Goal Zero Yeti 500X run a humidifier overnight?
Yes. Eight hours uses about 320Wh, roughly 75% of the Goal Zero Yeti 500X’s usable capacity.
How long does the Goal Zero Yeti 500X take to recharge with solar?
With its maximum 120W of solar input it refills in about 5.6 hours of strong sun. A single 200W panel is enough to max out its solar input.