The HQST 100W Ultra-Light Foldable Portable Solar Panel (HPP100N) is the better portable solar panel overall, rated 4.5 to 4.2. The HQST 100W Ultra-Light Foldable Portable Solar Panel (HPP100N) leads on portability and efficiency. The HQST 100W Ultra-Light Foldable Portable Solar Panel (HPP100N) costs $16.99 less ($89 vs $105.99).
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 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 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) | ZOUPW 100W Portable Solar Panel (ZOUPW-F100W) |
|---|---|---|
| Overall rating | 4.5/5 | 4.2/5 |
| Value 30% | 100 $0.89 per rated watt | 100 $1.06 per rated watt |
| Tested output 20% | 89 not yet tested; estimated 87% of rated watts from the median of the 10 tested panels | 100 not yet tested; estimated 91% of rated watts from 1 test of ZOUPW panels and the median of the 10 tested panels |
| Portability 15% | 91 16.9 W per lb (5.9 lb (2.7 kg)) | 38 10.5 W per lb (9.5 lb (4.3 kg)) |
| Durability 15% | 60 IP67, 1-year warranty | 60 IP67, 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) | ZOUPW 100W Portable Solar Panel (ZOUPW-F100W) | |
|---|---|---|
| Output | ||
| Rated power | 100 W | 100 W |
| Tested output | Not tested (estimated 87%) | Not tested (estimated 91%) |
| Efficiency | 25% (conversion rate quoted by HQST as up to 25% cell efficiency) | 23.5% (cell efficiency per ZOUPW's spec table) |
| Cells | Monocrystalline (N-type TOPCon, 16BB) | Monocrystalline |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 20.7 V | 24.3 V |
| Voltage at max power (Vmp) | 18 V | 20.2 V |
| Short-circuit current (Isc) | 6.4 A | 5.2 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) | 10 ft 5-in-1 solar extension cable (DC8020, XT60, Anderson, DC7909, DC5521) |
| USB ports | None | 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 | 5.9 lb (2.7 kg) | 9.5 lb (4.3 kg) |
| Folded size | 23.94 x 20.47 x 1.38 in (608 x 520 x 35 mm) | 24.13 x 21.06 x 1.77 in (613 x 535 x 45 mm) |
| Unfolded size | 36.85 x 23.94 x 0.12 in (936 x 608 x 3 mm) | 48.43 x 21.06 x 0.98 in (1230 x 535 x 25 mm) |
| Kickstand | Yes | Yes |
| Water resistance | IP67 | IP67 |
| Warranty | 1 years | 1 years |
