The Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) is the better portable solar panel overall, rated 4.4 to 3.9. The Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) leads on durability and features. The DOKIO 300W Foldable Solar Panel Kit wins on value and portability. The DOKIO 300W Foldable Solar Panel Kit costs $207.22 less ($179.77 vs $386.99).
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 $386.99A low-cost all-in-one kit for keeping a 12 V RV, boat or camper battery topped up. Power-station owners are better served by a panel with published electrical specs.
Amazon $179.77Prices 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) | DOKIO 300W Foldable Solar Panel Kit |
|---|---|---|
| Overall rating | 4.4/5 | 3.9/5 |
| Value 30% | 69 $1.29 per rated watt | 100 $0.60 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 19.7 W per lb (15.2 lb (6.9 kg)) |
| Durability 15% | 100 IP67, 3-year warranty | 0 no IP rating, 1-year warranty |
| Efficiency 10% | 97 24.8% claimed efficiency | 50 efficiency not published (neutral score used) |
| Features 10% | 55 built-in kickstand, series/parallel | 20 USB output |
| Renogy 300W N-Type Lightweight Portable Solar Suitcase (RSP300LSC) | DOKIO 300W Foldable Solar Panel Kit | |
|---|---|---|
| Output | ||
| Rated power | 300 W | 300 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%) | - |
| Cells | Monocrystalline (N-type, 16BB) | Monocrystalline |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 30 V | - |
| Voltage at max power (Vmp) | 25.2 V | - |
| Short-circuit current (Isc) | 12.6 A | - |
| Current at max power (Imp) | 11.9 A | - |
| Series / parallel | Yes | - |
| Connections | ||
| Output connector | MC4 | - |
| Cables included | - | 9.85 ft (3 m) cable, PWM controller, SAE, XT60 and alligator-clip leads, DC5521, DC5525, DC35135 and DC6440 adapters |
| USB ports | None | Dual USB ports; they charge devices when a 12 V battery is connected |
| Build | ||
| Weight | 18.7 lb (8.5 kg) | 15.2 lb (6.9 kg) |
| Folded size | 23.2 x 29.3 x 3.2 in (588 x 745 x 80 mm) | 19.3 x 37.4 x 1.1 in |
| Unfolded size | 2358 x 745 x 20 mm | - |
| Kickstand | Yes | - |
| Water resistance | IP67 | - |
| Warranty | 3 years | 1 years |
| Output warranty | 3-year power output warranty | - |
