The difference that matters
The Renogy 100W Flexible Solar Panel is lighter (5.3 lb vs 13.7 lb). The Renogy 100W Flexible Solar Panel has a higher open-circuit voltage (24.4 V vs 20.3 V) — check your station's input limit.
Side by side
| Specification | EcoFlow 100W Rigid Solar Panel (ZMS331-1) | Renogy 100W Flexible Solar Panel |
|---|---|---|
| Brand | EcoFlow | Renogy |
| Rated power | 100 W | 100 W |
| Type | Rigid | Flexible |
| Open-circuit voltage (Voc) | 20.3 V | 24.4 V |
| Voltage at max power (Vmp) | 17.1 V | 20.7 V |
| Short-circuit current (Isc) | 6.3 A | 5.16 A |
| Stated efficiency | 0.39% | 15.7% |
| Weight | 13.7 lb | 5.3 lb |
| Warranty | — | 5-year output warranty & material and workmanship warranty |
| Energy on an average Gulf Coast day (calc) | 390 Wh | 390 Wh |
| Price per watt (calc) | $1.39 | $1.50 |
| Price seen | $139 | $150 |
Highlighted rows differ. Figures come from each product's sources; runtime, recharge and cost rows are Wattstanding calculations using the same method for both.
Which should you choose?
EcoFlow 100W Rigid Solar Panel (ZMS331-1)
Choose the EcoFlow 100W Rigid Solar Panel (ZMS331-1) if you prefer its maker, seller or ecosystem — the published figures do not favour it.
Renogy 100W Flexible Solar Panel
Choose the Renogy 100W Flexible Solar Panel if you will carry it often or your station accepts the higher voltage.
Before you buy either
- Total your loads with the appliance load & runtime calculator.
- Confirm what each seller includes — accessories, software trials and bundles change often.
- Read the limitations on each full reference page.
Wattstanding compares published specifications; we have not tested these products side by side. How we work · Disclosure