The Renogy Black Division 100W Flexible is the better portable solar panel overall, rated 4.3 to 3.9. The Renogy Black Division 100W Flexible leads on value, durability and portability. The Jackery SolarSaga 100 Air wins on features and efficiency. The Renogy Black Division 100W Flexible costs $123.91 less ($125.09 vs $249).
A low-profile 100 W panel for curved or weight-limited van, RV and boat roofs, especially where an all-black look matters. On a flat roof that can take the weight, a rigid panel lasts longer for less money.
Amazon $125.09For hikers and campers with a mid-size Jackery or other 30 V-capable station who want a 100 W panel light enough to carry all day. Check your station’s solar input range before buying.
Amazon $249 Jackery $249Prices were last checked October 24, 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 Black Division 100W Flexible | Jackery SolarSaga 100 Air |
|---|---|---|
| Overall rating | 4.3/5 | 3.9/5 |
| Value 30% | 98 $1.25 per rated watt | 54 $2.49 per rated watt |
| Tested output 20% | 100 not yet tested; estimated 91% of rated watts from 2 tests of Renogy panels and the median of the 11 tested panels | 90 not yet tested; estimated 87% of rated watts from 1 test of Jackery panels and the median of the 11 tested panels |
| Portability 15% | 100 18.9 W per lb (5.3 lb (2.4 kg)) | 68 14.2 W per lb (7 lb (3.2 kg)) |
| Durability 15% | 100 IP67, 5-year warranty | 60 IP68, 1-year warranty |
| Efficiency 10% | 0 15.7% claimed efficiency | 67 23% claimed efficiency |
| Features 10% | 0 no kickstand, USB or bifacial cells | 80 built-in kickstand, bifacial, USB output |
| Renogy Black Division 100W Flexible | Jackery SolarSaga 100 Air | |
|---|---|---|
| Output | ||
| Rated power | 100 W | 100 W |
| Tested output | Not tested (estimated 91%) | Not tested (estimated 87%) |
| Efficiency | 15.7% (module efficiency per Renogy's spec table; the Amazon listing quotes 22%) | 23% (cell efficiency of the bifacial PERC cells, per Jackery) |
| Cells | Monocrystalline (half-cut PERC) | Monocrystalline (PERC) |
| Bifacial | No | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 23.5 V | 29.7 V |
| Voltage at max power (Vmp) | 19.4 V | 25.4 V |
| Short-circuit current (Isc) | 5.5 A | 4.1 A |
| Current at max power (Imp) | 5.2 A | 4 A |
| Voc temperature coefficient | - | -0.2%/°C |
| Connections | ||
| Output connector | - | DC8020 |
| Cables included | - | 3 m multifunctional solar charging cable with DC8020, USB-A and USB-C, DC8020 to DC7909 |
| USB ports | None | 1x USB-A 5V/2.4A, 1x USB-C 5V/3A, on the included cable |
| Build | ||
| Weight | 5.3 lb (2.4 kg) | 7 lb (3.2 kg) |
| Flexible | Yes, bends up to 240° | - |
| Dimensions | 43.0 x 22.9 x 0.8 in (1093.0 x 582.0 x 20.5 mm) | - |
| Folded size | - | 17.05 x 16.65 x 1.85 in |
| Unfolded size | - | 65.67 x 16.65 x 0.67 in |
| Kickstand | No | Yes |
| Water resistance | IP67 | IP68 |
| Warranty | 5 years | 1 years |
| Output warranty | 5-year output warranty | - |
| Released | 2025-09 | 2025-09 |
