The ZOUPW 100W Lightweight Foldable Solar Panel (ZOUPW-QZ100W) is the better portable solar panel overall, rated 4.4 to 4.2. The ZOUPW 100W Lightweight Foldable Solar Panel (ZOUPW-QZ100W) leads on value. The Anker SOLIX PS100 Bifacial Portable Solar Panel wins on durability and portability. The ZOUPW 100W Lightweight Foldable Solar Panel (ZOUPW-QZ100W) costs $150 less ($99.99 vs $249.99).
A plug-and-play 100 W panel for owners of small power stations who want every common adapter in the box and USB ports for direct charging. It is about 1.5 lb lighter than ZOUPW’s older F100W.
Amazon $99.99 ZOUPW $109.99A light, weatherproof 100 W panel for small power stations on camping trips. Pick it over cheaper 100 W panels if the IP68 build and five-year warranty matter to you.
Anker SOLIX $249.99Prices 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 | ZOUPW 100W Lightweight Foldable Solar Panel (ZOUPW-QZ100W) | Anker SOLIX PS100 Bifacial Portable Solar Panel |
|---|---|---|
| Overall rating | 4.4/5 | 4.2/5 |
| Value 30% | 100 $1.00 per rated watt | 54 $2.50 per rated watt |
| Tested output 20% | 100 not yet tested; estimated 91% of rated watts from 1 test of ZOUPW 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% | 54 12.5 W per lb (8 lb (3.6 kg)) | 84 16.1 W per lb (6.2 lb (2.8 kg)) |
| Durability 15% | 60 IP67, 1-year warranty | 100 IP68, 5-year warranty |
| Efficiency 10% | 100 25% claimed efficiency | 100 25% claimed efficiency |
| Features 10% | 55 built-in kickstand, USB output | 60 built-in kickstand, bifacial |
| ZOUPW 100W Lightweight Foldable Solar Panel (ZOUPW-QZ100W) | Anker SOLIX PS100 Bifacial Portable Solar Panel | |
|---|---|---|
| Output | ||
| Rated power | 100 W | 100 W |
| Tested output | Not tested (estimated 91%) | Not tested (estimated 87%) |
| Efficiency | 25% (cell efficiency per ZOUPW) | 25% ("25%+ conversion efficiency" per Anker; cell vs module not stated) |
| Cells | Monocrystalline (N-type, 16BB, 182 mm cells) | - |
| Bifacial | No | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 23.8 V | - |
| Voltage at max power (Vmp) | 19.8 V | 21.6 V |
| Short-circuit current (Isc) | 5.3 A | - |
| Current at max power (Imp) | 5 A | 4.6 A |
| Connections | ||
| Output connector | MC4 | - |
| Cables included | 10 ft MC4 extension cable with XT60, Anderson, DC7909 and DC5521 ends plus a DC8020 adapter, 10-in-1 DC5521 adapter set | 2x 8.2 ft (2.5 m) solar charging cable, 1.6 ft (0.5 m) XT60i solar charging cable |
| USB ports | On the built-in controller: 1x USB-C (5/9/12/15 V at 3 A; ZOUPW's site also lists 20 V/2.25 A, 45 W max), 1x USB-A 5V/3A, 1x USB-A up to 12V/1.5A; the controller is not water-resistant | - |
| Build | ||
| Weight | 8 lb (3.6 kg) | 6.2 lb (2.8 kg) |
| Folded size | 23.38 x 23.22 x 1.77 in (594 x 590 x 45 mm) | 20.1 x 23.6 x 2.5 in |
| Unfolded size | 46.85 x 23.23 x 0.98 in (1190 x 590 x 25 mm) | 40.6 x 23.6 x 0.7 in |
| Kickstand | Yes | Yes |
| Water resistance | IP67 | IP68 |
| Warranty | 1 years | 5 years |
