The Callsun 450W N-Type 16BB Bifacial Double-Glass Rigid Solar Panel (CS450-M2HD2608, White Grid) is the better rigid solar panel overall, rated 4.2 to 3.9. The Callsun 450W N-Type 16BB Bifacial Double-Glass Rigid Solar Panel (CS450-M2HD2608, White Grid) leads on durability. The LIVOSUN 435W N-Type Bifacial Rigid Solar Panel (LN-SP-435W-N-1) wins on value. The LIVOSUN 435W N-Type Bifacial Rigid Solar Panel (LN-SP-435W-N-1) costs $100.01 less ($269.98 vs $369.99).
A large bifacial panel with a longer warranty than most, for a home rooftop, shed or ground-mount array on a 24 V or 48 V system or a grid-tie inverter. Too big and too high-voltage for most RV and van setups.
Amazon $369.99A 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 | Callsun 450W N-Type 16BB Bifacial Double-Glass Rigid Solar Panel (CS450-M2HD2608, White Grid) | LIVOSUN 435W N-Type Bifacial Rigid Solar Panel (LN-SP-435W-N-1) |
|---|---|---|
| Overall rating | 4.2/5 | 3.9/5 |
| Value 45% | 65 $0.82 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% | 100 IP68, 10-year warranty | 60 no IP rating, 10-year warranty |
| Efficiency 15% | 100 25.6% claimed efficiency | 50 efficiency not published (neutral score used) |
| Callsun 450W N-Type 16BB Bifacial Double-Glass Rigid Solar Panel (CS450-M2HD2608, White Grid) | LIVOSUN 435W N-Type Bifacial Rigid Solar Panel (LN-SP-435W-N-1) | |
|---|---|---|
| Output | ||
| Rated power | 450 W | 435 W |
| Efficiency | 25.6% (cell efficiency per Callsun's manual and the Amazon listing; Callsun's product page says 25.4%) | - |
| Cells | Monocrystalline (N-type, 16BB, 182 mm cells, wired as two parallel halves for shade tolerance) | Monocrystalline (N-type) |
| Bifacial | Yes | Yes |
| Electrical | ||
| Open-circuit voltage (Voc) | 35.8 V | 37.3 V |
| Voltage at max power (Vmp) | 29.7 V | 31.6 V |
| Short-circuit current (Isc) | 16 A | - |
| Current at max power (Imp) | 15.1 A | 13.8 A |
| Voc temperature coefficient | -0.2%/°C | - |
| Connections | ||
| Output connector | Solar connectors | MC4 |
| Build | ||
| Weight | 52.8 lb (24 kg) | - |
| Dimensions | 69.4 x 44.7 x 1.2 in | 68 x 45 x 1.5 in |
| Frame | anodized aluminum alloy | aluminum |
| Glass | double glass: 2.0 mm AR-coated heat-strengthened front, 2.0 mm heat-strengthened back | tempered |
| Junction box rating | IP68 | - |
| Warranty | 10 years | 10 years |
| Output warranty | 84.5% output after 25 years | "over 30 years" power output warranty; no percentage given |
