The HQST 100W Ultra-Light Foldable Portable Solar Panel (HPP100N) is the better portable solar panel overall, rated 4.5 to 4.3. The HQST 100W Ultra-Light Foldable Portable Solar Panel (HPP100N) leads on durability and efficiency. The Ecosonique 100W Portable Solar Panel (UC-100A) costs $3.01 less ($85.99 vs $89).
A good-value 100 W panel for owners of small power stations who want something light to set up beside the tent. The short warranty is the main trade-off.
Amazon $89 HQST $89.99A 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 $85.99Prices 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 | HQST 100W Ultra-Light Foldable Portable Solar Panel (HPP100N) | Ecosonique 100W Portable Solar Panel (UC-100A) |
|---|---|---|
| Overall rating | 4.5/5 | 4.3/5 |
| Value 30% | 100 $0.89 per rated watt | 100 $0.86 per rated watt |
| Tested output 20% | 89 not yet tested; estimated 87% of rated watts from 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% | 91 16.9 W per lb (5.9 lb (2.7 kg)) | 88 16.5 W per lb (6.1 lb (2.8 kg)) |
| Durability 15% | 60 IP67, 1-year warranty | 36 IP65, 1-year warranty |
| Efficiency 10% | 100 25% claimed efficiency | 75 23.5% claimed efficiency |
| Features 10% | 55 built-in kickstand, series/parallel | 55 built-in kickstand, USB output |
| HQST 100W Ultra-Light Foldable Portable Solar Panel (HPP100N) | Ecosonique 100W Portable Solar Panel (UC-100A) | |
|---|---|---|
| Output | ||
| Rated power | 100 W | 100 W |
| Tested output | Not tested (estimated 87%) | Not tested (estimated 87%) |
| Efficiency | 25% (conversion rate quoted by HQST as up to 25% cell efficiency) | 23.5% (cell efficiency per the Amazon listing's description; its spec table says 24%) |
| Cells | Monocrystalline (N-type TOPCon, 16BB) | Monocrystalline |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 20.7 V | - |
| Voltage at max power (Vmp) | 18 V | 20 V |
| Short-circuit current (Isc) | 6.4 A | - |
| Current at max power (Imp) | 5.6 A | 5 A |
| Series / parallel | Yes | - |
| Connections | ||
| Output connector | MC4 | - |
| Cables included | 4.9 ft 3-in-1 adapter cable (XT60, DC7909, DC5521) | 3 m DC5521 male-to-male cable, 0.5 m DC5521 to XT60 and Anderson cable, DC7909, DC5525 and DC35135 connectors |
| USB ports | None | 1x USB-C PD3.0 (max 45W), 1x USB-A QC3.0 (max 24W), plus a 20V DC output |
| Build | ||
| Weight | 5.9 lb (2.7 kg) | 6.1 lb (2.8 kg) |
| Folded size | 23.94 x 20.47 x 1.38 in (608 x 520 x 35 mm) | 15.68 x 10.44 x 2.96 in |
| Unfolded size | 36.85 x 23.94 x 0.12 in (936 x 608 x 3 mm) | 68.28 x 15.68 x 0.99 in |
| Kickstand | Yes | Yes |
| Water resistance | IP67 | IP65 |
| Warranty | 1 years | 1 years |
