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Will the Renogy E.Flex 200W Portable Solar Panel work with the BLUETTI EP500?

No. Open-circuit voltage 23.4V is below the 55V minimum for this input, so it will not start charging. Two panels: don't connect (2 panels in parallel on PV input), about 0 W.

Verdict

Don't connect

Do not plug this in. Open-circuit voltage 23.4V is below the 55V minimum for this input, so it will not start charging.

1 x E.Flex 200W Portable Solar Panel1 panel on PV input
EP500PV input
Expected
0W
Voltage at 20F
25.6V
limit 145 V
Current
9.9A
cap 20 A
  • Open-circuit voltage 23.4V is below the 55V minimum for this input, so it will not start charging.
Cables to buyNone. Do not connect this combination. Pick a panel with lower open-circuit voltage, or fewer in series.
Renogy E.Flex 200W Portable Solar Panel

200 W, open-circuit 23.4 V, short-circuit 10.5 A, working 20.2 V / 9.9 A. Brand page Panel details

BLUETTI EP500

Solar input PV input: 55 to 145 V, 1200 W max. Brand page Station details

Change the count or temperature

Two panels: every way to wire them

WiringInputVolts at 20FAmpsWattsVerdict
2 panels in parallel on PV input
Open-circuit voltage 23.4V is below the 55V minimum for this input, so it will not start charging.
PV input25.619.80Don't connect
2 panels in series on PV input
Open-circuit voltage 46.8V is below the 55V minimum for this input, so it will not start charging.
PV input51.29.90Don't connect

Quick answers

Will the Renogy E.Flex 200W Portable Solar Panel work with the BLUETTI EP500?

No. Open-circuit voltage 23.4V is below the 55V minimum for this input, so it will not start charging. Two panels: don't connect (2 panels in parallel on PV input), about 0 W.

Can I connect two E.Flex 200W Portable Solar Panel panels to the EP500?

No: Open-circuit voltage 23.4V is below the 55V minimum for this input, so it will not start charging.

Is it safe on a cold morning?

Panel voltage rises in the cold. One E.Flex 200W Portable Solar Panel goes from 23.4 V on its label to about 25.6 V at 20°F and 26.4 V at 0°F. The EP500 accepts up to 145 V on the PV input.

Where to buy

$220 at the Renogy store, Oct 28, 2026
BuyAmazon
Out of stock at the BLUETTI store
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Rules we applied
  • BLUETTI EP500: solar input 55 to 145 V on the Solar in (PV input). BLUETTI 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 23.4 V becomes 25.6 V.
  • Current over the 20 A cap is safe: the station takes 20 A and you get fewer watts. We count only the capped watts.
  • Max 1,200 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
From the brand's pageEP500 spec page, solar input
Checked Oct 28, 2026