The GEYOTO S200 200W Bifacial Portable Solar Panel is the better portable solar panel overall, rated 4.5 to 4.3. The GEYOTO S200 200W Bifacial Portable Solar Panel leads on durability and features. The Renogy 200W N-Type Portable Solar Panel Blanket (RPP200SB-SE) wins on portability. The GEYOTO S200 200W Bifacial Portable Solar Panel costs $18 less ($219.99 vs $237.99).
A bifacial 200 W panel for car campers and RV owners with an XT60-input power station, where the reflective case can add some extra output. Not one to carry far.
Amazon $219.99 GEYOTO $259.99For campers and travelers with a small or mid-size power station who want a 200 W panel that packs like a small bag and can charge a phone on its own. Anyone who wants a panel that props itself up should pick a kickstand model.
Amazon $237.99 Renogy $239.99Prices 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 | GEYOTO S200 200W Bifacial Portable Solar Panel | Renogy 200W N-Type Portable Solar Panel Blanket (RPP200SB-SE) |
|---|---|---|
| Overall rating | 4.5/5 | 4.3/5 |
| Value 30% | 90 $1.10 per rated watt | 86 $1.19 per rated watt |
| Tested output 20% | 89 not yet tested; estimated 87% of rated watts from 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% | 61 13.3 W per lb (15 lb (6.8 kg)) | 100 22.7 W per lb (8.8 lb (4 kg)) |
| Durability 15% | 100 IP68, 3-year warranty | 56 IP65, 2-year warranty |
| Efficiency 10% | 100 26% claimed efficiency | 100 25% claimed efficiency |
| Features 10% | 60 built-in kickstand, bifacial | 40 USB output, series/parallel |
| GEYOTO S200 200W Bifacial Portable Solar Panel | Renogy 200W N-Type Portable Solar Panel Blanket (RPP200SB-SE) | |
|---|---|---|
| Output | ||
| Rated power | 200 W | 200 W |
| Tested output | Not tested (estimated 87%) | Not tested (estimated 87%) |
| Efficiency | 26% (cell efficiency per GEYOTO's product description) | 25% (cell efficiency as quoted by Renogy and on the Amazon listing; the manual gives no efficiency figure) |
| Cells | Monocrystalline (N-type) | Monocrystalline (N-type TOPCon, 16BB) |
| Bifacial | Yes | No |
| Electrical | ||
| Open-circuit voltage (Voc) | - | 19.6 V |
| Voltage at max power (Vmp) | 25.2 V | 16.8 V |
| Short-circuit current (Isc) | - | 13.1 A |
| Current at max power (Imp) | 7.9 A | 11.9 A |
| Series / parallel | - | Yes |
| Connections | ||
| Output connector | MC4 | MC4 |
| Cables included | 10 ft (3 m) MC4 to XT60 cable, reflective EVA carrying case | - |
| USB ports | None | 1x USB-C PD3.0 up to 45 W and 2x USB-A QC up to 18 W each, per the manual |
| Build | ||
| Weight | 15 lb (6.8 kg) | 8.8 lb (4 kg) |
| Folded size | 20.6 x 26.5 x 1.1 in (522 x 673 x 28 mm) | 16.14 x 15.35 x 3.07 in (410 x 390 x 78 mm) |
| Unfolded size | 82.2 x 26.5 x 1.1 in (2088 x 673 x 28 mm) | 61.41 x 31.89 x 1.49 in (1560 x 810 x 38 mm) |
| Kickstand | Yes | - |
| Water resistance | IP68 | IP65 |
| Warranty | 3 years | 2 years |
