For car campers and RV owners with a mid-size power station who want 300 W from one panel without a 30 lb carry. Budget for an MC4 adapter cable.
Amazon $386.99 Renogy $386.99The Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) and the Anker SOLIX PS400 Bifacial Portable Solar Panel are evenly matched, rated 4.4 and 4.3. The Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) leads on value. The Anker SOLIX PS400 Bifacial Portable Solar Panel wins on portability. The Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) costs $212.99 less ($386.99 vs $599.98).
For owners of large power stations who want 400 W from a single panel they can still carry. It is much lighter than older 400 W folding panels.
Amazon $599.98 Anker SOLIX $699.99Prices 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.
Which should you buy?
- Choose the Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) for value ($1.29 per rated watt vs $1.50 per rated watt).
- Choose the Anker SOLIX PS400 Bifacial Portable Solar Panel for portability (18.3 W per lb (21.9 lb (9.9 kg)) vs 16.0 W per lb (18.7 lb (8.5 kg))).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large portable solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) | Anker SOLIX PS400 Bifacial Portable Solar Panel |
|---|---|---|
| Overall rating | 4.4/5 | 4.3/5 |
| Value 30% | 69 $1.29 per rated watt | 57 $1.50 per rated watt |
| Tested output 20% | 91 not yet tested; estimated 87% of rated watts from 1 test of Renogy 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% | 83 16.0 W per lb (18.7 lb (8.5 kg)) | 100 18.3 W per lb (21.9 lb (9.9 kg)) |
| Durability 15% | 100 IP67, 3-year warranty | 100 IP68, 5-year warranty |
| Efficiency 10% | 97 24.8% claimed efficiency | 100 25% claimed efficiency |
| Features 10% | 55 built-in kickstand, series/parallel | 60 built-in kickstand, bifacial |
Specifications
| Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) | Anker SOLIX PS400 Bifacial Portable Solar Panel | |
|---|---|---|
| Output | ||
| Rated power | 300 W | 400 W |
| Tested output | Not tested (estimated 87%) | Not tested (estimated 87%) |
| Efficiency | 24.8% (cell efficiency per Renogy's spec table, which lists module efficiency as 17.0%; marketing copy rounds it to 25%) | 25% ("25%+ conversion efficiency" per Anker; cell vs module not stated) |
| Cells | Monocrystalline (N-type, 16BB) | - |
| Bifacial | No | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 30 V | - |
| Voltage at max power (Vmp) | 25.2 V | 48 V |
| Short-circuit current (Isc) | 12.6 A | - |
| Current at max power (Imp) | 11.9 A | 8.3 A |
| Series / parallel | Yes | - |
| Connections | ||
| Output connector | MC4 | - |
| Cables included | - | 2x 8.2 ft (2.5 m) solar charging cable, 1.6 ft (0.5 m) XT-60i solar charging cable |
| USB ports | None | - |
| Build | ||
| Weight | 18.7 lb (8.5 kg) | 21.9 lb (9.9 kg) |
| Folded size | 23.2 x 29.3 x 3.2 in (588 x 745 x 80 mm) | 22.3 x 38.7 x 3.2 in |
| Unfolded size | 2358 x 745 x 20 mm | 90.2 x 38.7 x 0.7 in |
| Kickstand | Yes | Yes |
| Water resistance | IP67 | IP68 |
| Warranty | 3 years | 5 years |
| Output warranty | 3-year power output warranty | - |
