The Rvpozwer 200W (2 x 100W) N-Type 18BB Rigid Solar Panel 2-Pack rates 4.7 among 150 w and up rigid solar panels; the Renogy ShadowFlux 120W N-Type Anti-Shading Rigid Solar Panel rates 3.9 among under 150 w ones. The Rvpozwer 200W (2 x 100W) N-Type 18BB Rigid Solar Panel 2-Pack costs $47.25 less ($80.99 vs $128.24).
A rock-bottom-price pair of 100 W panels for a 12 V shed, boat or small off-grid setup. Buyers who want a documented panel from an established maker should pay a little more for Callsun or Renogy.
Amazon $80.99For a van or small RV roof where vents, racks or trees shade part of the panel. With clear sun all day, a standard 100 W panel costs less per watt.
Amazon $128.24 Renogy $129.99Prices 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.
These two sit in different size classes (150 w and up and under 150 w), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Rvpozwer 200W (2 x 100W) N-Type 18BB Rigid Solar Panel 2-Pack | Renogy ShadowFlux 120W N-Type Anti-Shading Rigid Solar Panel |
|---|---|---|
| Overall rating | 4.7/5 | 3.9/5 |
| Value 45% | 100 $0.40 per rated watt | 67 $1.07 per rated watt |
| Tested output 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Durability 25% | 100 IP68, 10-year warranty | 67 IP67, 5-year warranty |
| Efficiency 15% | 100 25% claimed efficiency | 100 25% claimed efficiency |
| Rvpozwer 200W (2 x 100W) N-Type 18BB Rigid Solar Panel 2-Pack | Renogy ShadowFlux 120W N-Type Anti-Shading Rigid Solar Panel | |
|---|---|---|
| Output | ||
| Rated power | 200 W | 120 W |
| Efficiency | 25% (as published; the listing does not say whether cell or module) | 25% (cell efficiency; datasheet module efficiency 20.7%) |
| Cells | Monocrystalline (N-type, 18BB) | Monocrystalline (N-type, 16BB, cell-level bypass (ShadowFlux)) |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 23.4 V | 33.7 V |
| Voltage at max power (Vmp) | 19.5 V | 28.9 V |
| Short-circuit current (Isc) | 5.6 A | 4.6 A |
| Current at max power (Imp) | 5.1 A | 4.2 A |
| Voc temperature coefficient | - | -0.2%/°C |
| Series / parallel | Yes | - |
| Connections | ||
| Output connector | - | MC4 |
| Build | ||
| Weight | - | 15.9 lb (6.8 kg) |
| Dimensions | 39.79 x 18.11 x 1.18 in (each panel) | 41.42 x 22.76 x 1.18 in |
| Frame | anodized aluminum alloy | anodized aluminum alloy |
| Glass | 3.2 mm tempered | tempered |
| Junction box rating | IP68 | IP67 |
| Warranty | 10 years | 5 years |
| Output warranty | at least 90% of rated power for the first 10 years | 95% output for 5 years, 90% for 10 years, 80% for 25 years |
