The Renogy 100W N-Type Bifacial is the better rigid solar panel overall, rated 4.0 to 3.6. The Renogy 100W N-Type Bifacial leads on durability and efficiency. The ECO-WORTHY 100W N-Type 18V wins on value. The ECO-WORTHY 100W N-Type 18V costs $23 less ($76.99 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 cheap single 100 W panel for a 12 V RV, boat or shed system. Buyers who want a full spec sheet and a stated warranty should pay a little more for Renogy or Callsun.
Amazon $76.99 ECO-WORTHY $76.99Prices 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 | ECO-WORTHY 100W N-Type 18V |
|---|---|---|
| Overall rating | 4.0/5 | 3.6/5 |
| Value 45% | 71 $1.00 per rated watt | 88 $0.77 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 | 40 IP68 |
| Efficiency 15% | 40 20% module efficiency | 18 18.9% module efficiency (from size and rated power) |
| Renogy 100W N-Type Bifacial | ECO-WORTHY 100W N-Type 18V | |
|---|---|---|
| Output | ||
| Rated power | 100 W | 100 W |
| Module efficiency | 20% | 18.9% (rated power over panel area) |
| Claimed efficiency | 25% (cell efficiency, "up to"; datasheet module efficiency 20.0%) | 25% (the listing calls it conversion efficiency without saying whether cell or module; no module efficiency published) |
| Cells | Monocrystalline (N-type, 16BB, 39 cells) | Monocrystalline (N-type, 16BB; the Amazon listing describes a dual-sided (bifacial) design with up to 15% extra output) |
| Bifacial | Yes | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 28.5 V | - |
| Voltage at max power (Vmp) | 23.6 V | - |
| Short-circuit current (Isc) | 4.5 A | - |
| Current at max power (Imp) | 4.2 A | - |
| Voc temperature coefficient | -0.3%/°C | - |
| Series / parallel | Yes | - |
| Connections | ||
| Output connector | Solar connectors (IP68) | MC4 |
| Build | ||
| Weight | 12 lb (5.4 kg) | 11.7 lb (5.3 kg) |
| Dimensions | 34.1 x 22.8 x 1.2 in | 35.63 x 23.03 x 1.18 in |
| Frame | anodized aluminum alloy | aluminum |
| Glass | 3.2 mm tempered | 3.2 mm tempered |
| Junction box rating | IP68 | IP68 |
| Warranty | 10 years | - |
| Output warranty | 25-year power output warranty | - |
| Released | 2026-06 | 2026-05 |
