The Renogy Flex ShadowFlux 100W N-Type Anti-Shading Flexible Solar Panel is the better portable solar panel overall, rated 4.5 to 4.2. The Renogy Flex ShadowFlux 100W N-Type Anti-Shading Flexible Solar Panel leads on durability. The SOKIOVOLA 100W Portable Solar Panel wins on value. The SOKIOVOLA 100W Portable Solar Panel costs $60 less ($89.99 vs $149.99).
For curved roofs with vents, racks or antennas that shade part of the panel during the day. With clear sun on an open roof, Renogy’s standard 100 W flexible panel costs less.
Amazon $149.99 Renogy $172.99A cheap, light 100 W panel for topping up a small power station on camping trips. Buyers who want consistent published specs and a longer warranty should pay more for an established brand.
Amazon $89.99Prices 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 small portable solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | Renogy Flex ShadowFlux 100W N-Type Anti-Shading Flexible Solar Panel | SOKIOVOLA 100W Portable Solar Panel |
|---|---|---|
| Overall rating | 4.5/5 | 4.2/5 |
| Value 30% | 89 $1.50 per rated watt | 100 $0.90 per rated watt |
| Tested output 20% | 91 not yet tested; estimated 87% of rated watts from 1 test of Renogy panels and the median of the 10 tested panels | 89 not yet tested; estimated 87% of rated watts from the median of the 10 tested panels |
| Portability 15% | 100 23.9 W per lb (4.2 lb (1.9 kg)) | 100 21.7 W per lb (4.6 lb (2.1 kg)) |
| Durability 15% | 100 IP68, 3-year warranty | 60 IP68, 1-year warranty |
| Efficiency 10% | 100 25% claimed efficiency | 50 efficiency not published (neutral score used) |
| Features 10% | 0 no kickstand, USB or bifacial cells | 0 no kickstand, USB or bifacial cells |
| Renogy Flex ShadowFlux 100W N-Type Anti-Shading Flexible Solar Panel | SOKIOVOLA 100W Portable Solar Panel | |
|---|---|---|
| Output | ||
| Rated power | 100 W | 100 W |
| Tested output | Not tested (estimated 87%) | Not tested (estimated 87%) |
| Efficiency | 25% (cell efficiency ("up to 25%")) | - |
| Cells | Monocrystalline (N-type TOPCon, cell-level bypass diodes (ShadowFlux)) | - |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 33.6 V | 21.6 V |
| Voltage at max power (Vmp) | 28.8 V | 18 V |
| Short-circuit current (Isc) | 3.7 A | 6.1 A |
| Current at max power (Imp) | 3.5 A | 5.6 A |
| Connections | ||
| Output connector | - | MC4 |
| Cables included | - | 7.2 ft MC4 to 4-in-1 cable (XT60, DC5521, DC7909, Anderson), 3-in-1 DC adapter (DC5521 to DC6514, DC5525, DC3513) |
| USB ports | None | None |
| Build | ||
| Weight | 4.2 lb (1.9 kg) | 4.6 lb (2.1 kg) |
| Flexible | Yes, bends up to 270° | - |
| Dimensions | 37.09 x 24.13 x 0.10 in | - |
| Folded size | - | 14.69 x 8.67 x 1.78 in |
| Unfolded size | - | 39.65 x 29.53 in |
| Kickstand | No | - |
| Water resistance | IP68 | IP68 |
| Warranty | 3 years | 1 years |
| Output warranty | 3-year power output warranty | - |
