Will the EcoFlow 400W Portable Solar Panel work with the Goal Zero Yeti 1000X?
Yes, with a catch. Fine in mild weather (48V), but on a 20°F (-7°C) morning the open-circuit voltage rises to about 52.6V, above the 50V limit. Cold makes panels push more voltage. Two panels: works, with a catch (2 panels in parallel on High Power Port), about 600 W.
Works, with a catch
It charges, but read the note. Best option: 1 panel on High Power Port.
- Fine in mild weather (48V), but on a 20°F (-7°C) morning the open-circuit voltage rises to about 52.6V, above the 50V limit. Cold makes panels push more voltage.
- The brand does not say whether its voltage limit is open-circuit or working voltage, so we check against the stricter open-circuit number.
- Goal Zero gives solar charging as 600 W actual input at most, across its ports.
- Needs an MC4 to HPP (Anderson Powerpole) adapter cable.
400 W, open-circuit 48 V, short-circuit 11 A, working 41 V / 9.8 A. Unconfirmed Panel details
Goal Zero Yeti 1000XSolar input High Power Port: 14 to 50 V; 8mm: 14 to 50 V, 600 W max. Brand page Station details
Change the count or temperatureTwo panels: every way to wire them
| Wiring | Input | Volts at 20F | Amps | Watts | Verdict |
|---|---|---|---|---|---|
| 2 panels in parallel on High Power Port Fine in mild weather (48V), but on a 20°F (-7°C) morning the open-circuit voltage rises to about 52.6V, above the 50V limit. Cold makes panels push more voltage. | High Power Port | 52.6 | 19.6 | 600 | Works, with a catch |
| 1 panel on High Power Port + 1 panel on 8mm Fine in mild weather (48V), but on a 20°F (-7°C) morning the open-circuit voltage rises to about 52.6V, above the 50V limit. Cold makes panels push more voltage. | High Power Port + 8mm | 52.6 | 9.8 | 550 | Works, with a catch |
| 2 panels in parallel on 8mm Fine in mild weather (48V), but on a 20°F (-7°C) morning the open-circuit voltage rises to about 52.6V, above the 50V limit. Cold makes panels push more voltage. | 8mm | 52.6 | 19.6 | 150 | Works, with a catch |
| 2 panels in series on High Power Port Open-circuit voltage 96V is above the station's 50V limit. Going over a station's input voltage limit can damage it. | High Power Port | 105.1 | 9.8 | 0 | Don't connect |
| 2 panels in series on 8mm Open-circuit voltage 96V is above the station's 50V limit. Going over a station's input voltage limit can damage it. | 8mm | 105.1 | 9.8 | 0 | Don't connect |
Quick answers
Will the EcoFlow 400W Portable Solar Panel work with the Goal Zero Yeti 1000X?
Yes, with a catch. Fine in mild weather (48V), but on a 20°F (-7°C) morning the open-circuit voltage rises to about 52.6V, above the 50V limit. Cold makes panels push more voltage. Two panels: works, with a catch (2 panels in parallel on High Power Port), about 600 W.
Can I connect two 400W Portable Solar Panel panels to the Yeti 1000X?
Yes, 2 panels in parallel on High Power Port. That gives about 600 W, with one catch: Fine in mild weather (48V), but on a 20°F (-7°C) morning the open-circuit voltage rises to about 52.6V, above the 50V limit. Cold makes panels push more voltage..
What cable do I need to connect the 400W Portable Solar Panel to the Yeti 1000X?
Needs an MC4 to HPP (Anderson Powerpole) adapter cable.
Is it safe on a cold morning?
Panel voltage rises in the cold. One 400W Portable Solar Panel goes from 48 V on its label to about 52.6 V at 20°F and 54.2 V at 0°F. The Yeti 1000X accepts up to 50 V on the High Power Port.
Where to buy
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Other panels that work with the Yeti 1000X
- Goal Zero Yeti 1000X: solar input 14 to 50 V on the Solar in 1 (High Power Port). Goal Zero does not say whether this limit is open-circuit or working voltage, so we use the stricter reading: open-circuit voltage on your coldest morning.
- Cold raises panel voltage: we add 0.30% per °C below 77F (25°C), a typical figure, since this panel does not publish its own. At 20F one panel's 48 V becomes 52.6 V.
- Current over the 50 A cap is safe: the station takes 50 A and you get fewer watts. We count only the capped watts.
- Max 600 W on this input, 600 W across all inputs.
- Cold-morning voltage uses 0.30% per °C, typical for crystalline panels. This panel's own value is not published.
- Expected watts are the best case in full sun. Real-world midday output is usually 60 to 80% of that.
- Some numbers for EcoFlow 400W Portable Solar Panel come from a shop listing we have not confirmed in the manual yet.