The Rvpozwer 200W (2 x 100W) 2-Pack is the better rigid solar panel overall, rated 4.6 to 2.9. The Rvpozwer 200W (2 x 100W) 2-Pack leads on durability, value and efficiency. The Rvpozwer 200W (2 x 100W) 2-Pack costs $81.58 less ($89.99 vs $171.57).
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 $89.99For a 24 V battery bank or a long cable run to an MPPT controller, such as a ground mount away from a cabin. Newpowa’s own store sells it for less than Amazon.
Amazon $209.50 Newpowa $171.57Prices were last checked October 26, 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 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) 2-Pack | Newpowa 200W 24V Mono |
|---|---|---|
| Overall rating | 4.6/5 | 2.9/5 |
| Value 45% | 100 $0.45 per rated watt | 61 $0.86 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 | 7 no IP rating, 2-year warranty |
| Efficiency 15% | 70 21.5% module efficiency (from size and rated power) | 30 19.5% module efficiency (from size and rated power) |
| Rvpozwer 200W (2 x 100W) 2-Pack | Newpowa 200W 24V Mono | |
|---|---|---|
| Output | ||
| Rated power | 200 W | 200 W |
| Module efficiency | 21.5% (rated power over panel area) | 19.5% (rated power over panel area) |
| Claimed efficiency | 25% (as published; the listing does not say whether cell or module) | 21.8% (datasheet "maximum efficiency" (not labeled cell or module)) |
| Cells | Monocrystalline (N-type, 18BB) | Monocrystalline (72 cells) |
| Bifacial | No | No |
| Electrical | ||
| Open-circuit voltage (Voc) | 23.4 V | 48.7 V |
| Voltage at max power (Vmp) | 19.5 V | 41.5 V |
| Short-circuit current (Isc) | 5.6 A | 5.2 A |
| Current at max power (Imp) | 5.1 A | 4.8 A |
| Voc temperature coefficient | - | -0.4%/°C |
| Series / parallel | Yes | - |
| Connections | ||
| Output connector | - | Pre-attached 3 ft leads with male/female solar connectors |
| Build | ||
| Weight | - | 24.9 lb (11.3 kg) |
| Dimensions | 39.79 x 18.11 x 1.18 in (each panel) | 52.8 x 30.1 x 1.4 in |
| Frame | anodized aluminum alloy | anodized aluminum |
| Glass | 3.2 mm tempered | low-iron tempered |
| Junction box rating | IP68 | - |
| Warranty | 10 years | 2 years |
| Output warranty | at least 90% of rated power for the first 10 years | 90% output for 10 years, 80% for 25 years |
| Released | 2025-08 | - |
