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 $80.99The Rvpozwer 200W (2 x 100W) N-Type 18BB Rigid Solar Panel 2-Pack is the better rigid solar panel overall, rated 4.7 to 4.4. The Rvpozwer 200W (2 x 100W) N-Type 18BB Rigid Solar Panel 2-Pack leads on value. The Rvpozwer 200W (2 x 100W) N-Type 18BB Rigid Solar Panel 2-Pack costs $49 less ($80.99 vs $129.99).
A good-value pair of compact 100 W panels for a van, small RV or boat where roof space comes in odd shapes. Pair it with an MPPT controller to get the full output.
Amazon $129.99 Callsun $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.
Which should you buy?
- Choose the Rvpozwer 200W (2 x 100W) N-Type 18BB Rigid Solar Panel 2-Pack for value ($0.40 per rated watt vs $0.65 per rated watt).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 150 w and up rigid solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | Rvpozwer 200W (2 x 100W) N-Type 18BB Rigid Solar Panel 2-Pack | Callsun 200W (2 x 100W) N-Type 16BB Rigid Solar Panel 2-Pack |
|---|---|---|
| Overall rating | 4.7/5 | 4.4/5 |
| Value 45% | 100 $0.40 per rated watt | 81 $0.65 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 | 100 IP68, 10-year warranty |
| Efficiency 15% | 100 25% claimed efficiency | 100 25% claimed efficiency |
Specifications
| Rvpozwer 200W (2 x 100W) N-Type 18BB Rigid Solar Panel 2-Pack | Callsun 200W (2 x 100W) N-Type 16BB Rigid Solar Panel 2-Pack | |
|---|---|---|
| Output | ||
| Rated power | 200 W | 200 W |
| Efficiency | 25% (as published; the listing does not say whether cell or module) | 25% (as published on Callsun's product page and Amazon; the user manual's table gives 25.6% cell efficiency) |
| Cells | Monocrystalline (N-type, 18BB) | Monocrystalline (N-type, 16BB) |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 23.4 V | 26 V |
| Voltage at max power (Vmp) | 19.5 V | 22.7 V |
| Short-circuit current (Isc) | 5.6 A | 4.6 A |
| Current at max power (Imp) | 5.1 A | 4.4 A |
| Voc temperature coefficient | - | -0.2%/°C |
| Series / parallel | Yes | Yes |
| Connections | ||
| Output connector | - | Solar connectors |
| Build | ||
| Dimensions | 39.79 x 18.11 x 1.18 in (each panel) | 31.1 x 22.8 x 1.2 in (each panel) |
| Frame | anodized aluminum alloy | anodized aluminum alloy |
| Glass | 3.2 mm tempered | 3.2 mm tempered |
| Junction box rating | IP68 | IP68 |
| Warranty | 10 years | 10 years |
| Output warranty | at least 90% of rated power for the first 10 years | 84.5% output after 25 years |
