The EcoFlow RIVER (original) takes up to 200 W of solar through one solar input (10–25 V, 12 A, 200 W). The quickest refill from a maker panel on sale today: 1 × EcoFlow NextGen 220W Bifacial, 1 panel on the solar input, which brings it to 200 W and refills its 288 Wh in about 1.4 h of full sun.
Solar limit
200W
Fastest refill
1.4h of sun
Panels
1× 220 W
The panels cost $399 at EcoFlow, checked Oct 11, 2026. At a more typical 70% panel yield the refill takes about 1.9 h. Every arrangement here keeps the panels' open-circuit voltage under the limit on a -10 °C (14 °F) morning. Every panel we track.
1 × EcoFlow NextGen 220W Bifacial on the EcoFlow RIVER (original): 1 panel on the solar input; 200 W in.
EcoFlow RIVER (original): solar input limits from EcoFlow
solar input
10 to 25 V, 12 A max, 200 W, XT60 plug
All inputs together
200 W (EcoFlow: "Up to 2 sets of solar panels in parallel; 'DO NOT attempt to connect more than one solar panel in series.'")
Two panels in series add their voltages; strings in parallel add their currents. A panel's open-circuit voltage (Voc) rises on cold, bright mornings, so each arrangement below is checked with the panel's own temperature coefficient, or -0.35% per °C where the maker publishes none, at -10 °C (14 °F). Strings in parallel are kept within the input's current figure; a single string that could give more is held back by the input itself.
Every maker panel we track, on the RIVER (original)
5 of the 18 panels fit, fastest refill first. Each uses every input that can take it; the hours are full sun, from empty.
Maker panels on the EcoFlow RIVER (original); prices Oct 11, 2026
"Full sun to refill" is the ideal floor: the station taking its input limit every hour. Panels rarely deliver their rating, so the 70% column is closer to a good day, and a usable day holds four to six hours of full sun in most of the US. Panels whose maker does not name an MC4 plug are counted one to an input, since they link to others only through the maker's own adapters.
Cables between panel and station
Jackery SolarSaga 200W: DC8020 on the panel and XT60 on the station, so you need a DC8020-to-XT60 solar cable. Its cable: 3 meters.
Jackery SolarSaga 100 Prime: Anderson on the panel and XT60 on the station, so you need an Anderson-to-XT60 solar cable. Its cable: 9.58 feet.
EcoFlow does not list a solar cable in the station's own box, so check the panel's box or buy the cable for its plug.
What a day of sun puts back
Watt-hours back in a day, at a 70% panel yield and the station's input limit. Winter in the northern US gives about 3 hours of full sun, a clear summer day in the Southwest 6 or more.
Watt-hours back per day; the RIVER (original) holds 288 Wh
Setup
3 h of sun
4 h of sun
5 h of sun
6 h of sun
1 × EcoFlow NextGen 220W Bifacial
288 Wha full refill
288 Wha full refill
288 Wha full refill
288 Wha full refill
1 × Jackery SolarSaga 200W
288 Wha full refill
288 Wha full refill
288 Wha full refill
288 Wha full refill
Check another panel on the RIVER (original)
Type the figures from the panel's label or spec sheet (they are given at 25 °C). The check assumes MC4 plugs, so panels can go in series or parallel.
Enter the four figures to see how many of these panels the RIVER (original) takes, and how to wire them.
Where the solar limits come from
EcoFlow product page: "200W 10-25V DC 12A max" · "Harness the power of the sun by linking up to two 110W solar panels."
EcoFlow user manual (PDF): "The RIVER can support a 10-25V DC input. When the input exceeds 25V, the RIVER overvoltage protection will be activated." · "Users can connect a solar panel as shown in Example 1. DO NOT attempt to connect more than one solar panel in series." · "Users can connect up to 2 sets of solar panels in parallel to the MC4 port as shown in Example 2."
EcoFlow user manual (PDF): "The product supports 10-25V DC input, 12A max current, and 200W max charging power." · "Before connecting the solar panel, please ensure that the solar panel’s output voltage is with in 25V to avoid product damages."
Panel figures: each panel's own page links its maker's spec sheet.
