Solar Panels comparison
CW Energy 450W Bifacial Solar Panel vs Sirius PV 450W Monocrystalline Solar Panel
Spec-by-spec comparison of the CW Energy 450W Bifacial Solar Panel and Sirius PV 450W Monocrystalline Solar Panel, with editorial commentary on which fits which use case.
| CW Energy 450W Bifacial Solar Panel Solar Panel | Sirius PV 450W Monocrystalline Solar Panel Solar Panel | |
|---|---|---|
| Price (MSRP) | $184 | $315 |
| Status | Active | Active |
| Wattage (Pmax) | 450 W | 450 W |
| Module efficiency (STC) | 23.04% | 23.05% |
| Cell type | MONO | TOPCON |
| Bifacial | No | No |
| Open-circuit voltage (Voc) | 39.31 V | 39.7 V |
| Short-circuit current (Isc) | 14.38 A | 13.89 A |
| Voltage at Pmax (Vmp) | 33.14 V | 34.18 V |
| Current at Pmax (Imp) | 13.58 A | 13.17 A |
| Front glass | self-cleaning anti-reflection coating glass | 3.2mm AR coating tempered glass, low iron |
| Frame | Black | Anodized aluminium alloy |
| Dimensions | 1722 × 1134 × 30 mm | 1722 × 1134 × 35 mm |
| Weight | 21.45 kg | 21.5 kg |
| Temp. coefficient (Pmax) | -0.3 %/°C | -0.29 %/°C |
| Temp. coefficient (Voc) | -0.26 %/°C | -0.25 %/°C |
| Temp. coefficient (Isc) | 0.04 %/°C | 0.046 %/°C |
| Mechanical load | 2400 Pa front / 5400 Pa back | 5400 Pa front / 5400 Pa back |
| Operating temp. | -40°C to 85°C | -40°C to 85°C |
| Performance warranty | 30 years | - |
| Output cable | - | 4 mm² |
| Cable length | - | 1350 mm |
| Connector type | - | MC4 |
| Buy | signature solar → | signature solar → |
Where each one wins
Sirius PV ELNSM54M-HC-N450 wins on price ($184.5 vs $315). 71% price gap. Listings change weekly; verify on the product detail page before you order.
The right pick depends on which dimensions matter most to you. The spec table above lays out the full envelope; the chat panel below answers "which one for {use case}" if you want a directed recommendation.
CW Energy
450W Bifacial Solar Panel
$184
Best for
- ✓ tight roof spaces wanting maximum watts/m²
Sirius PV
450W Monocrystalline Solar Panel
$315
Best for
- ✓ tight roof spaces wanting maximum watts/m²
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