The Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) is the better portable solar panel overall, rated 4.4 to 4.2. The Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) leads on durability and features. The Renogy 400W N-Type Portable Solar Panel Blanket wins on portability. The Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) costs $83 less ($386.99 vs $469.99).
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 $386.99For van, truck and SUV campers who want 400 W from something that stows like a backpack. Owners of small power stations should check the voltage limit, and anyone who wants to prop a panel up on legs should look at a folding suitcase panel instead.
Amazon $469.99 Renogy $469.99Prices 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 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) | Renogy 400W N-Type Portable Solar Panel Blanket |
|---|---|---|
| Overall rating | 4.4/5 | 4.2/5 |
| Value 30% | 69 $1.29 per rated watt | 76 $1.17 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 | 91 not yet tested; estimated 87% of rated watts from 1 test of Renogy panels and the median of the 10 tested panels |
| Portability 15% | 83 16.0 W per lb (18.7 lb (8.5 kg)) | 100 24.9 W per lb (16.1 lb (7.3 kg)) |
| Durability 15% | 100 IP67, 3-year warranty | 56 IP65, 2-year warranty |
| Efficiency 10% | 97 24.8% claimed efficiency | 100 25% claimed efficiency |
| Features 10% | 55 built-in kickstand, series/parallel | 20 series/parallel |
| Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) | Renogy 400W N-Type Portable Solar Panel Blanket | |
|---|---|---|
| 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% (cell efficiency as quoted by Renogy and on the Amazon listing; the manual gives no efficiency figure) |
| Cells | Monocrystalline (N-type, 16BB) | Monocrystalline (N-type, 16BB) |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 30 V | 39.2 V |
| Voltage at max power (Vmp) | 25.2 V | 33.6 V |
| Short-circuit current (Isc) | 12.6 A | 13.1 A |
| Current at max power (Imp) | 11.9 A | 11.9 A |
| Series / parallel | Yes | Yes |
| Connections | ||
| Output connector | MC4 | MC4 |
| USB ports | None | None |
| Build | ||
| Weight | 18.7 lb (8.5 kg) | 16.1 lb (7.3 kg) |
| Folded size | 23.2 x 29.3 x 3.2 in (588 x 745 x 80 mm) | 16.54 x 15.83 x 4.13 in |
| Unfolded size | 2358 x 745 x 20 mm | 64.96 x 62.99 x 1.50 in |
| Kickstand | Yes | - |
| Water resistance | IP67 | IP65 |
| Warranty | 3 years | 2 years |
| Output warranty | 3-year power output warranty | - |
