The Ecosonique 100W (UC-100A) is the better portable solar panel overall, rated 4.3 to 4.2. The Ecosonique 100W (UC-100A) leads on portability. The ZOUPW 100W Portable (F100W) wins on durability. The Ecosonique 100W (UC-100A) costs $23 less ($82.99 vs $105.99).
A cheap, light 100 W panel for small power stations and direct USB charging on camping and hiking trips. Buyers who want a longer warranty or verified output should look elsewhere.
Amazon $82.99A plug-and-play 100 W panel for owners of small and mid-size power stations who want every common adapter in the box and USB ports for direct charging. Hikers should look at lighter panels.
Amazon $105.99Prices 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 | Ecosonique 100W (UC-100A) | ZOUPW 100W Portable (F100W) |
|---|---|---|
| Overall rating | 4.3/5 | 4.2/5 |
| Value 30% | 100 $0.83 per rated watt | 100 $1.06 per rated watt |
| Tested output 20% | 92 not yet tested; estimated 88% of rated watts from the median of the 11 tested panels | 100 not yet tested; estimated 92% of rated watts from 1 test of ZOUPW panels and the median of the 11 tested panels |
| Portability 15% | 88 16.5 W per lb (6.1 lb (2.8 kg)) | 38 10.5 W per lb (9.5 lb (4.3 kg)) |
| Durability 15% | 36 IP65, 1-year warranty | 60 IP67, 1-year warranty |
| Efficiency 10% | 75 23.5% claimed efficiency | 75 23.5% claimed efficiency |
| Features 10% | 55 built-in kickstand, USB output | 55 built-in kickstand, USB output |
| Ecosonique 100W (UC-100A) | ZOUPW 100W Portable (F100W) | |
|---|---|---|
| Output | ||
| Rated power | 100 W | 100 W |
| Tested output | Not tested (estimated 88%) | Not tested (estimated 92%) |
| Efficiency | 23.5% (cell efficiency per the Amazon listing's description; its spec table says 24%) | 23.5% (cell efficiency per ZOUPW's spec table) |
| Cells | Monocrystalline | Monocrystalline |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | - | 24.3 V |
| Voltage at max power (Vmp) | 20 V | 20.2 V |
| Short-circuit current (Isc) | - | 5.2 A |
| Current at max power (Imp) | 5 A | 5 A |
| Connections | ||
| Cables included | 3 m DC5521 male-to-male cable, 0.5 m DC5521 to XT60 and Anderson cable, DC7909, DC5525 and DC35135 connectors | 10 ft 5-in-1 solar extension cable (DC8020, XT60, Anderson, DC7909, DC5521) |
| USB ports | 1x USB-C PD3.0 (max 45W), 1x USB-A QC3.0 (max 24W), plus a 20V DC output | On the built-in controller: 1x USB-C (up to 15V/3A), 1x USB-A QC3.0 (up to 12V/1.5A), 1x USB-A 5V/3A; the controller pocket is not waterproof |
| Build | ||
| Weight | 6.1 lb (2.8 kg) | 9.5 lb (4.3 kg) |
| Folded size | 15.68 x 10.44 x 2.96 in | 24.13 x 21.06 x 1.77 in (613 x 535 x 45 mm) |
| Unfolded size | 68.28 x 15.68 x 0.99 in | 48.43 x 21.06 x 0.98 in (1230 x 535 x 25 mm) |
| Kickstand | Yes | Yes |
| Water resistance | IP65 | IP67 |
| Warranty | 1 years | 1 years |
| Released | 2025-07 | 2025-08 |
