The Renogy 100W N-Type Bifacial is the better rigid solar panel overall, rated 4.0 to 3.3. The Renogy 100W N-Type Bifacial leads on durability and efficiency. The Newpowa 100W Bifacial 12V wins on value. The Newpowa 100W Bifacial 12V costs $30 less ($69.99 vs $99.99).
A compact, well-documented 100 W panel for a van or small RV roof with an MPPT controller. Buyers on a 12 V PWM setup or a tight budget are better served by a cheaper 18 V panel.
Amazon $99.99A low-cost 100 W panel for a small 12 V system on a van, trailer or shed. The bifacial back adds a little output when the panel is tilted above a light surface.
Amazon $69.99Prices 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 under 150 W rigid solar panel; a clear win is highlighted. How we rank explains each one.
| Factor weight | Renogy 100W N-Type Bifacial | Newpowa 100W Bifacial 12V |
|---|---|---|
| Overall rating | 4.0/5 | 3.3/5 |
| Value 45% | 71 $1.00 per rated watt | 93 $0.70 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% | 40 20% module efficiency | 12 18.6% module efficiency (from size and rated power) |
| Renogy 100W N-Type Bifacial | Newpowa 100W Bifacial 12V | |
|---|---|---|
| Output | ||
| Rated power | 100 W | 100 W |
| Module efficiency | 20% | 18.6% (rated power over panel area) |
| Claimed efficiency | 25% (cell efficiency, "up to"; datasheet module efficiency 20.0%) | 21.1% (datasheet "maximum efficiency" (not labeled cell or module)) |
| Cells | Monocrystalline (N-type, 16BB, 39 cells) | Monocrystalline (Bifacial, transparent backsheet, 30 cells) |
| Bifacial | Yes | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 28.5 V | 20.4 V |
| Voltage at max power (Vmp) | 23.6 V | 17.1 V |
| Short-circuit current (Isc) | 4.5 A | 6.2 A |
| Current at max power (Imp) | 4.2 A | 5.8 A |
| Voc temperature coefficient | -0.3%/°C | -0.4%/°C |
| Series / parallel | Yes | - |
| Connections | ||
| Output connector | Solar connectors (IP68) | Pre-attached 3 ft leads with male/female solar connectors |
| Build | ||
| Weight | 12 lb (5.4 kg) | 13.7 lb (6.2 kg) |
| Dimensions | 34.1 x 22.8 x 1.2 in | 36.6 x 22.8 x 1.2 in |
| Frame | anodized aluminum alloy | black anodized aluminum |
| Glass | 3.2 mm tempered | low-iron tempered |
| Junction box rating | IP68 | - |
| Warranty | 10 years | 2 years |
| Output warranty | 25-year power output warranty | 90% output for 10 years, 80% for 25 years |
| Released | 2026-06 | - |
