The TWELSEAVAN 150W HPBC Portable Solar Panel and the HQST 200W Ultra-Light Foldable Portable Solar Panel (HPP200N) are evenly matched, rated 4.5 and 4.5. The TWELSEAVAN 150W HPBC Portable Solar Panel leads on durability and portability. The HQST 200W Ultra-Light Foldable Portable Solar Panel (HPP200N) wins on features. The TWELSEAVAN 150W HPBC Portable Solar Panel costs $10 less ($149.99 vs $159.99).
A light, compact 150 W panel for small and mid-size power stations on camping trips. Buyers who plan to chain panels together should pick one that supports it.
Amazon $149.99For campers with a small or mid-size power station who want 200 W that one person can carry easily. The short warranty is the main trade-off for the low price.
Amazon $159.99 HQST $159.99Prices 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 mid-size portable solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | TWELSEAVAN 150W HPBC Portable Solar Panel | HQST 200W Ultra-Light Foldable Portable Solar Panel (HPP200N) |
|---|---|---|
| Overall rating | 4.5/5 | 4.5/5 |
| Value 30% | 95 $1.00 per rated watt | 100 $0.80 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% | 99 17.9 W per lb (8.4 lb (3.8 kg)) | 91 16.9 W per lb (11.8 lb (5.4 kg)) |
| Durability 15% | 76 IP65, 3-year warranty | 60 IP67, 1-year warranty |
| Efficiency 10% | 100 25.8% claimed efficiency | 100 25% claimed efficiency |
| Features 10% | 35 built-in kickstand | 55 built-in kickstand, series/parallel |
| TWELSEAVAN 150W HPBC Portable Solar Panel | HQST 200W Ultra-Light Foldable Portable Solar Panel (HPP200N) | |
|---|---|---|
| Output | ||
| Rated power | 150 W | 200 W |
| Tested output | Not tested (estimated 87%) | Not tested (estimated 87%) |
| Efficiency | 25.8% (cell efficiency, listed as 'up to 25.8%' on the Amazon listing) | 25% (conversion rate quoted by HQST in the manual) |
| Cells | - | Monocrystalline (N-type TOPCon) |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 25.2 V | 20.7 V |
| Voltage at max power (Vmp) | 21.6 V | 18 V |
| Short-circuit current (Isc) | 7.4 A | 12.9 A |
| Current at max power (Imp) | 6.9 A | 11.2 A |
| Series / parallel | No | Yes |
| Connections | ||
| Output connector | MC4 | MC4 |
| Cables included | 9.8 ft 5-in-1 MC4 cable (Anderson, XT60i, DC8020, DC7909, DC5521), 3 DC adapters | 4.9 ft 3-in-1 adapter cable (XT60, DC7909, DC5521) |
| USB ports | - | None |
| Build | ||
| Weight | 8.4 lb (3.8 kg) | 11.8 lb (5.4 kg) |
| Folded size | 25.9 x 23.2 x 0.9 in | 23.94 x 20.71 x 1.97 in (608 x 526 x 50 mm) |
| Unfolded size | 52.1 x 23.2 x 0.2 in | 70.63 x 23.94 x 0.12 in (1794 x 608 x 3 mm) |
| Kickstand | Yes | Yes |
| Water resistance | IP65 | IP67 |
| Warranty | 3 years | 1 years |
