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Will the Renogy 100W Lightweight Flexible Solar Panel work with the BLUETTI AC50B?

Yes. One Renogy 100W Lightweight Flexible Solar Panel works with the BLUETTI AC50B: about 24.6 V on a 20°F morning against the station's 28 V limit, and about 100 W in full sun. Two panels: works (2 panels in parallel on Solar input), about 161 W.

Verdict

Works

1 x 100W Lightweight Flexible Solar Panel into the AC50B (1 panel on Solar input) stays inside 12 to 28 V and under 8.5 A, even at 20F.

1 x 100W Lightweight Flexible Solar Panel1 panel on Solar input
AC50BSolar input
Expected
100W
Voltage at 20F
24.6V
limit 28 V
Current
5.3A
cap 8.5 A
Cables to buy
  • Use the solar charging cable that came with the station (MC4 on the panel side).
Renogy 100W Lightweight Flexible Solar Panel

100 W, open-circuit 22.5 V, short-circuit 5.8 A, working 18.9 V / 5.3 A. Brand page Panel details

BLUETTI AC50B

Solar input Solar input: 12 to 28 V, 200 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 Solar input
The panels can push 10.6A but this input takes 8.5A, so the station caps it. Safe, you just lose some watts.
Solar input24.610.6161Works
2 panels in series on Solar input
Open-circuit voltage 45V is above the station's 28V limit. Going over a station's input voltage limit can damage it.
Solar input49.35.30Don't connect

Quick answers

Will the Renogy 100W Lightweight Flexible Solar Panel work with the BLUETTI AC50B?

Yes. One Renogy 100W Lightweight Flexible Solar Panel works with the BLUETTI AC50B: about 24.6 V on a 20°F morning against the station's 28 V limit, and about 100 W in full sun. Two panels: works (2 panels in parallel on Solar input), about 161 W.

Can I connect two 100W Lightweight Flexible Solar Panel panels to the AC50B?

Yes, 2 panels in parallel on Solar input. That gives about 161 W.

What cable do I need to connect the 100W Lightweight Flexible Solar Panel to the AC50B?

Use the solar charging cable that came with the station (MC4 on the panel side).

Is it safe on a cold morning?

Panel voltage rises in the cold. One 100W Lightweight Flexible Solar Panel goes from 22.5 V on its label to about 24.6 V at 20°F and 25.4 V at 0°F. The AC50B accepts up to 28 V on the Solar input.

Where to buy

$150 at the Renogy store, Oct 28, 2026
Buy
Out of stock at the BLUETTI store
View at storeAmazon

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Other panels that work with the AC50B

→BLUETTI PV200D, about 200 W with two
→BLUETTI SP100L Solar Panel, about 200 W with two
→BLUETTI SP200L Solar Panel, about 200 W with two
→EcoFlow 175W Rigid Solar Panel, about 190 W with two
→Renogy E.Flex 200W Portable Solar Panel, about 171 W with two

All 33 panels checked against the AC50B

Rules we applied
  • BLUETTI AC50B: solar input 12 to 28 V on the Solar in (Solar 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 22.5 V becomes 24.6 V.
  • Current over the 8.5 A cap is safe: the station takes 8.5 A and you get fewer watts. We count only the capped watts.
  • Max 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 pageAC50B spec page, solar input
Checked Oct 28, 2026