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Will the EcoFlow NextGen 220W Bifacial Portable Solar Panel work with the EcoFlow DELTA 3 Ultra?

Yes. One EcoFlow NextGen 220W Bifacial Portable Solar Panel works with the EcoFlow DELTA 3 Ultra: about 23.5 V on a 20°F morning against the station's 60 V limit, and about 219 W in full sun. Two panels: works (2 panels in series on Solar input (XT60i)), about 438 W.

Verdict

Works

1 x NextGen 220W Bifacial Portable Solar Panel into the DELTA 3 Ultra (1 panel on Solar input (XT60i)) stays inside 11 to 60 V and under 18 A, even at 20F.

1 x NextGen 220W Bifacial Portable Solar Panel1 panel on Solar input (XT60i)
DELTA 3 UltraSolar input (XT60i)
Expected
219W
Voltage at 20F
23.5V
limit 60 V
Current
11.9A
cap 18 A
Cables to buy
  • Use an MC4 to XT60i solar cable.
EcoFlow NextGen 220W Bifacial Portable Solar Panel

220 W, open-circuit 21.5 V, short-circuit 12.4 A, working 18.4 V / 11.9 A. Brand page Panel details

EcoFlow DELTA 3 Ultra

Solar input Solar input (XT60i): 11 to 60 V, 800 W max. Manual Station details

Change the count or temperature

Two panels: every way to wire them

WiringInputVolts at 20FAmpsWattsVerdict
2 panels in series on Solar input (XT60i)
Best option
Solar input (XT60i)47.111.9438Works
2 panels in parallel on Solar input (XT60i)
The panels can push 23.8A but this input takes 18A, so the station caps it. Safe, you just lose some watts.
Solar input (XT60i)23.523.8331Works

Quick answers

Will the EcoFlow NextGen 220W Bifacial Portable Solar Panel work with the EcoFlow DELTA 3 Ultra?

Yes. One EcoFlow NextGen 220W Bifacial Portable Solar Panel works with the EcoFlow DELTA 3 Ultra: about 23.5 V on a 20°F morning against the station's 60 V limit, and about 219 W in full sun. Two panels: works (2 panels in series on Solar input (XT60i)), about 438 W.

Can I connect two NextGen 220W Bifacial Portable Solar Panel panels to the DELTA 3 Ultra?

Yes, 2 panels in series on Solar input (XT60i). That gives about 438 W.

What cable do I need to connect the NextGen 220W Bifacial Portable Solar Panel to the DELTA 3 Ultra?

Use an MC4 to XT60i solar cable.

Is it safe on a cold morning?

Panel voltage rises in the cold. One NextGen 220W Bifacial Portable Solar Panel goes from 21.5 V on its label to about 23.5 V at 20°F and 24.3 V at 0°F. The DELTA 3 Ultra accepts up to 60 V on the Solar input (XT60i).

Where to buy

$1,349 at the EcoFlow store, Oct 28, 2026
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Other panels that work with the DELTA 3 Ultra

→EcoFlow 400W Portable Solar Panel, about 738 W with two
→Renogy 250W N-Type Bifacial Solar Panel, about 500 W with two
→BLUETTI PV350D, about 497 W with two
→Jackery SolarSaga 200 (JS-200E), about 400 W with two
→Jackery SolarSaga 200 (JS-200D), about 400 W with two

All 33 panels checked against the DELTA 3 Ultra

Rules we applied
  • EcoFlow DELTA 3 Ultra: solar input 11 to 60 V on the Solar in (Solar input (XT60i)). EcoFlow sets this limit on open-circuit voltage (Voc), so we hold the panels' Voc on your coldest morning to it.
  • 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 21.5 V becomes 23.5 V.
  • Current over the 18 A cap is safe: the station takes 18 A and you get fewer watts. We count only the capped watts.
  • Max 800 W on this input.
Assumptions
  • 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.
Sources