The JJN 425W N-Type 16BB Bifacial Rigid Solar Panel (JJN-SP-425W-N, UL 61730) is the better rigid solar panel overall, rated 4.1 to 3.9. The LIVOSUN 435W N-Type Bifacial Rigid Solar Panel (LN-SP-435W-N-1) costs $10.01 less ($269.98 vs $279.99).
A low-cost large-format panel for a home rooftop, shed or ground-mount array on a 24 V or 48 V system with an MPPT controller. Too big and too high-voltage for most RV and van setups.
Amazon $279.99 JJN $289A low-cost large bifacial panel for a home rooftop, shed or ground-mount array on a 24 V or 48 V system with an MPPT controller. Buy it for the price, not the paperwork, since the seller publishes very few specs.
Amazon $269.98Prices 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.
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 | JJN 425W N-Type 16BB Bifacial Rigid Solar Panel (JJN-SP-425W-N, UL 61730) | LIVOSUN 435W N-Type Bifacial Rigid Solar Panel (LN-SP-435W-N-1) |
|---|---|---|
| Overall rating | 4.1/5 | 3.9/5 |
| Value 45% | 80 $0.66 per rated watt | 84 $0.62 per rated watt |
| Tested output 15% | 50 not yet independently tested (neutral score used) | 50 not yet independently tested (neutral score used) |
| Durability 25% | 67 IP68, 5-year warranty | 60 no IP rating, 10-year warranty |
| Efficiency 15% | 100 25% claimed efficiency | 50 efficiency not published (neutral score used) |
| JJN 425W N-Type 16BB Bifacial Rigid Solar Panel (JJN-SP-425W-N, UL 61730) | LIVOSUN 435W N-Type Bifacial Rigid Solar Panel (LN-SP-435W-N-1) | |
|---|---|---|
| Output | ||
| Rated power | 425 W | 435 W |
| Efficiency | 25% (published as "25+%"; the maker does not say whether this is cell or module efficiency) | - |
| Cells | Monocrystalline (N-type, 16BB, 182 mm full cells, Grade A+) | Monocrystalline (N-type) |
| Bifacial | Yes | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 38.6 V | 37.3 V |
| Voltage at max power (Vmp) | 32.1 V | 31.6 V |
| Short-circuit current (Isc) | 13.8 A | - |
| Current at max power (Imp) | 13.2 A | 13.8 A |
| Connections | ||
| Output connector | MC4 | MC4 |
| Build | ||
| Weight | 53.6 lb (24.3 kg) | - |
| Dimensions | 67.8 x 44.7 x 1.2 in | 68 x 45 x 1.5 in |
| Frame | anodized aluminum | aluminum |
| Glass | tempered, dual-glass construction | tempered |
| Junction box rating | IP68 | - |
| Warranty | 5 years | 10 years |
| Output warranty | 30-year performance warranty, 87.4% output | "over 30 years" power output warranty; no percentage given |
