The EcoFlow NextGen 220W Bifacial Portable Solar Panel is the better portable solar panel overall, rated 4.0 to 3.6. The EcoFlow NextGen 220W Bifacial Portable Solar Panel leads on value, features and portability. The EcoFlow NextGen 160W Portable Solar Panel costs $50 less ($349 vs $399).
The strongest pick here for EcoFlow owners who want the most watts from one folding panel they can still carry easily. Buy it on sale; it rarely sells at full price.
Amazon $399 EcoFlow $399A compact panel for owners of smaller EcoFlow RIVER-class stations who value a light carry over maximum output. If the price gap to the 220 W bifacial is small, the bigger panel is the better buy.
Amazon $349 EcoFlow $369Prices were last checked October 21, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Each factor is scored 0-100 against the same fixed reference points for every mid-size portable solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | EcoFlow NextGen 220W Bifacial Portable Solar Panel | EcoFlow NextGen 160W Portable Solar Panel |
|---|---|---|
| Overall rating | 4.0/5 | 3.6/5 |
| Value 30% | 56 $1.81 per rated watt | 39 $2.18 per rated watt |
| Tested output 20% | 92 best measured 88% of rated watts (1 test) | 81 not yet tested; estimated 84% of rated watts from 2 tests of EcoFlow panels and the median of the 10 tested panels |
| Portability 15% | 69 14.3 W per lb (15.4 lb (7 kg)) | 58 13.0 W per lb (12.3 lb (5.6 kg)) |
| Durability 15% | 60 IP68, 1-year warranty | 60 IP68, 1-year warranty |
| Efficiency 10% | 100 25% claimed efficiency | 100 25% claimed efficiency |
| Features 10% | 60 built-in kickstand, bifacial | 35 built-in kickstand |
| Tested by | Measured peak | Of rated | Conditions |
|---|---|---|---|
| OutdoorGearLab | 193 W | 88% | Average power over a two-hour charge of a Jackery Explorer 1000 (385 Wh in 2 h), clear day at 6,300 ft, 55-65 °F; OutdoorGearLab reports this as measured watts, not an instantaneous peak |
No independent test published yet.
| EcoFlow NextGen 220W Bifacial Portable Solar Panel | EcoFlow NextGen 160W Portable Solar Panel | |
|---|---|---|
| Output | ||
| Rated power | 220 W | 160 W |
| Tested output | 193 W (88%) | Not tested (estimated 84%) |
| Efficiency | 25% (EcoFlow lists 25.00% efficiency without saying whether it is cell or module efficiency) | 25% (EcoFlow lists 25.00% efficiency without saying whether it is cell or module efficiency) |
| Cells | Monocrystalline (N-type TOPCon) | Monocrystalline (N-type TOPCon) |
| Bifacial | Yes, up to 175 W more from the back | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 21.5 V | 21.3 V |
| Voltage at max power (Vmp) | 18.4 V | 18.6 V |
| Short-circuit current (Isc) | 12.4 A | 9.1 A |
| Current at max power (Imp) | 11.9 A | 8.6 A |
| Connections | ||
| Output connector | MC4 | MC4 |
| Cables included | MC4 to XT60i | MC4 to XT60i |
| USB ports | None | None |
| Build | ||
| Weight | 15.4 lb (7 kg) | 12.3 lb (5.6 kg) |
| Folded size | 24.2 x 23.2 x 1.3 in | 23.6 x 22.5 x 1.3 in |
| Unfolded size | 24.2 x 84.8 x 1.0 in | 23.6 x 63.4 x 1.0 in |
| Kickstand | Yes | Yes |
| Water resistance | IP68 | IP68 |
| Warranty | 1 years | 1 years |
