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🛡 Official Warranty
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The Suntech STP440S-C54/Nshtb+ is a premium 440 W N-Type TOPCon half-cell solar module with double-glass bifacial construction for superior efficiency, durability, and visual appeal. Delivering up to 22.5 % efficiency, this all-black panel combines next-generation cell technology with a lightweight glass-glass design, engineered to perform in New Zealand’s coastal and rural environments.
⚡ High Efficiency: Up to 22.5 % module efficiency using N-Type TOPCon half-cell technology
🪶 Lightweight Double-Glass: Dual 1.6 mm semi-tempered glass layers improve strength while keeping weight low
🌞 Bifacial Output: Rear-side generation up to 25 % power gain under reflective conditions
🧱 Built to Last: Certified for wind loads of 3800 Pa and snow loads of 6000 Pa
💧 Extreme-Condition Resistant: Salt-mist, ammonia, and sand-resistant for coastal or agricultural installs
🖤 Aesthetic Design: Elegant all-black frame and transparent glass for architectural integration
📜 Long Warranty: 30-year linear performance warranty, 25-year product warranty
| Parameter | Value |
|---|---|
| Model | STP440S-C54/Nshtb+ |
| Rated Power Output (Pmax) | 440 W |
| Module Efficiency | 22.5 % |
| Cell Type | N-Type Monocrystalline TOPCon (182 mm) |
| Cell Configuration | 108 cells (6 × 18) |
| Front/Back Glass | 1.6 + 1.6 mm semi-tempered glass |
| Frame | Anodized aluminium alloy, black |
| Dimensions (L × W × H) | 1722 × 1134 × 30 mm |
| Weight | 21 kg |
| Connector Type | MC4-EVO2 compatible / STP-XC4 |
| Cable Length | 1400 mm (+/–) each side |
| Operating Temperature | –40 °C to +85 °C |
| Maximum System Voltage | 1500 V DC (IEC) |
| Fuse Rating | 25 A |
| Power Tolerance | 0 /+5 W |
| Bifaciality Factor | 80 % ± 5 % |
| Nominal Operating Temperature (NMOT) | 42 ± 2 °C |
| Temperature Coefficients | Pmax – 0.29 %/°C, Voc – 0.25 %/°C, Isc + 0.046 %/°C |
| Certifications | IEC 61215, IEC 61730, IEC 61701 (salt mist), IEC 62716 (ammonia), IEC 60068-2-68 (dust & sand), UL790 Fire Class C |
| Environmental / Quality Systems | ISO 9001, ISO 14001, ISO 45001, SA 8000 |
| Packing | 36 pcs per pallet / 936 pcs per 40′ HC container |
✅ Off-grid and hybrid systems
✅ Coastal or farm environments
✅ Residential and commercial rooftops
✅ Long-life ground or frame-mounted arrays
We get it. You've got a lot of choice when it comes to online retailers.
Here's why we think you should shop with us at The Off Grid Store.
We can deliver to almost anywhere in New Zealand, unfortunately there are a few exceptions such as Chatham Islands and for larger items and Great Barrier Island. Best prices online guaranteed.
30 Day Easy Returns. Not happy with your product, we'll take it back no
questions asked.
Great Service. We pride ourselves on the best service, anywhere.
Your Satisfaction Guaranteed. We handpick our products for quality, we
know you'll love them. But if there is ever something wrong, we'll fix it.
The Suntech STP440S-C54/Nshtb+ is a premium 440 W N-Type TOPCon half-cell solar module with double-glass bifacial construction for superior efficiency, durability, and visual appeal. Delivering up to 22.5 % efficiency, this all-black panel combines next-generation cell technology with a lightweight glass-glass design, engineered to perform in New Zealand’s coastal and rural environments.
⚡ High Efficiency: Up to 22.5 % module efficiency using N-Type TOPCon half-cell technology
🪶 Lightweight Double-Glass: Dual 1.6 mm semi-tempered glass layers improve strength while keeping weight low
🌞 Bifacial Output: Rear-side generation up to 25 % power gain under reflective conditions
🧱 Built to Last: Certified for wind loads of 3800 Pa and snow loads of 6000 Pa
💧 Extreme-Condition Resistant: Salt-mist, ammonia, and sand-resistant for coastal or agricultural installs
🖤 Aesthetic Design: Elegant all-black frame and transparent glass for architectural integration
📜 Long Warranty: 30-year linear performance warranty, 25-year product warranty
| Parameter | Value |
|---|---|
| Model | STP440S-C54/Nshtb+ |
| Rated Power Output (Pmax) | 440 W |
| Module Efficiency | 22.5 % |
| Cell Type | N-Type Monocrystalline TOPCon (182 mm) |
| Cell Configuration | 108 cells (6 × 18) |
| Front/Back Glass | 1.6 + 1.6 mm semi-tempered glass |
| Frame | Anodized aluminium alloy, black |
| Dimensions (L × W × H) | 1722 × 1134 × 30 mm |
| Weight | 21 kg |
| Connector Type | MC4-EVO2 compatible / STP-XC4 |
| Cable Length | 1400 mm (+/–) each side |
| Operating Temperature | –40 °C to +85 °C |
| Maximum System Voltage | 1500 V DC (IEC) |
| Fuse Rating | 25 A |
| Power Tolerance | 0 /+5 W |
| Bifaciality Factor | 80 % ± 5 % |
| Nominal Operating Temperature (NMOT) | 42 ± 2 °C |
| Temperature Coefficients | Pmax – 0.29 %/°C, Voc – 0.25 %/°C, Isc + 0.046 %/°C |
| Certifications | IEC 61215, IEC 61730, IEC 61701 (salt mist), IEC 62716 (ammonia), IEC 60068-2-68 (dust & sand), UL790 Fire Class C |
| Environmental / Quality Systems | ISO 9001, ISO 14001, ISO 45001, SA 8000 |
| Packing | 36 pcs per pallet / 936 pcs per 40′ HC container |
✅ Off-grid and hybrid systems
✅ Coastal or farm environments
✅ Residential and commercial rooftops
✅ Long-life ground or frame-mounted arrays
We get it. You've got a lot of choice when it comes to online retailers.
Here's why we think you should shop with us at The Off Grid Store.
We can deliver to almost anywhere in New Zealand, unfortunately there are a few exceptions such as Chatham Islands and for larger items and Great Barrier Island. Best prices online guaranteed.
30 Day Easy Returns. Not happy with your product, we'll take it back no
questions asked.
Great Service. We pride ourselves on the best service, anywhere.
Your Satisfaction Guaranteed. We handpick our products for quality, we
know you'll love them. But if there is ever something wrong, we'll fix it.
