The Renogy Flex ShadowFlux 100W N-Type Anti-Shading Flexible Solar Panel is the better portable solar panel overall, rated 4.5 to 3.7. The Renogy Flex ShadowFlux 100W N-Type Anti-Shading Flexible Solar Panel leads on portability and value. The Lion Energy 100W LW 12V Folding Solar Panel wins on features. The Renogy Flex ShadowFlux 100W N-Type Anti-Shading Flexible Solar Panel costs $69.01 less ($149.99 vs $219).
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 $172.99Best suited to Lion Energy Summit or UT 1300 owners who want a matching, rugged 100 W briefcase panel. Owners of other stations can get the same watts for much less.
Amazon $219 Lion Energy $219Prices 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 | Lion Energy 100W LW 12V Folding Solar Panel |
|---|---|---|
| Overall rating | 4.5/5 | 3.7/5 |
| Value 30% | 89 $1.50 per rated watt | 65 $2.19 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)) | 48 11.8 W per lb (8.5 lb (3.9 kg)) |
| Durability 15% | 100 IP68, 3-year warranty | 50 IP rating and warranty not published (neutral score used) |
| Efficiency 10% | 100 25% claimed efficiency | 50 efficiency not published (neutral score used) |
| Features 10% | 0 no kickstand, USB or bifacial cells | 55 built-in kickstand, series/parallel |
| Renogy Flex ShadowFlux 100W N-Type Anti-Shading Flexible Solar Panel | Lion Energy 100W LW 12V Folding 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)) | Monocrystalline |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 33.6 V | 20.5 V |
| Voltage at max power (Vmp) | 28.8 V | 17.1 V |
| Short-circuit current (Isc) | 3.7 A | 6.1 A |
| Current at max power (Imp) | 3.5 A | 5.8 A |
| Series / parallel | - | Yes |
| Connections | ||
| USB ports | None | - |
| Build | ||
| Weight | 4.2 lb (1.9 kg) | 8.5 lb (3.9 kg) |
| Flexible | Yes, bends up to 270° | - |
| Dimensions | 37.09 x 24.13 x 0.10 in | - |
| Kickstand | No | Yes |
| Water resistance | IP68 | - |
| Warranty | 3 years | - |
| Output warranty | 3-year power output warranty | Lion rates it for 20 years of solar output performance |
