Solar Panels comparison
Mateis 440W Bifacial Solar Panel vs ZNShine 440W Bifacial Solar Panel
Spec-by-spec comparison of the Mateis 440W Bifacial Solar Panel and ZNShine 440W Bifacial Solar Panel, with editorial commentary on which fits which use case.
| Mateis 440W Bifacial Solar Panel Solar Panel | ZNShine 440W Bifacial Solar Panel Solar Panel | |
|---|---|---|
| Price (MSRP) | $180 | $154 |
| Status | Active | Active |
| Wattage (Pmax) | 440 W | 440 W |
| Module efficiency (STC) | 22.5% | 22.53% |
| Cell type | TOPCON | TOPCON |
| Bifacial | Yes | Yes |
| Open-circuit voltage (Voc) | 38.98 V | 38.8 V |
| Short-circuit current (Isc) | 13.85 A | 14.39 A |
| Voltage at Pmax (Vmp) | 33.11 V | 32.3 V |
| Current at Pmax (Imp) | 13.29 A | 13.63 A |
| Front glass | AR coating, High Transmission Low Iron, Semi-Tempered Single Glass | - |
| Frame | Black Anodized Aluminum Alloy | - |
| Output cable | 4 mm² | - |
| Cable length | 1200 mm | - |
| Connector type | MC4-EVO2 | - |
| Dimensions | 1722 × 113 × 35 mm | - |
| Weight | 20.2 kg | - |
| Product warranty | 25 years | 12 years |
| Bifacial gain | - | +25% |
| Temp. coefficient (Pmax) | - | -0.3 %/°C |
| Temp. coefficient (Voc) | - | -0.25 %/°C |
| Temp. coefficient (Isc) | - | 0.046 %/°C |
| Mechanical load | - | 5400 Pa front / 2400 Pa back |
| Operating temp. | - | -40°C to 85°C |
| Performance warranty | - | 30 years |
| Buy | signature solar → | signature solar → |
Where each one wins
Mateis iPWR-M10-54BX2S-440W wins on product warranty (25 years vs 12 years), price ($180.4 vs $154). Product (workmanship) warranty is what covers the panel itself against defects. Most panels offer 25-year *performance* warranties; only a subset offer 25-year *product* warranties.
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.
Mateis
440W Bifacial Solar Panel
$180
Best for
- ✓ tight roof spaces wanting maximum watts/m²
- ✓ ground-mount or albedo-friendly install with bifacial gain
- ✓ long-hold projects (25+ year product warranty)
ZNShine
440W Bifacial Solar Panel
$154
Best for
- ✓ tight roof spaces wanting maximum watts/m²
- ✓ ground-mount or albedo-friendly install with bifacial gain
Watch out for
- ! Product warranty is only 12 years — shorter than premium tier-1 panels
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Ask anything about solar gear, comparisons, recommendations, edge cases. I'll cite specs from our catalog and link to product details.