Basic Info.
Certification
ISO, CE, TUV Bis IEC Retie
Material
Monocrystalline Silicon
Package
962PCS Per 40hq Container
Specification
1722*1134*30/35
Product Technical Specifications
| Module Type |
STM390/108-S3B |
STM395/108-S3B |
STM400/108-S3B |
STM405/108-S3B |
STM410/108-S3B |
| Testing Condition |
STC | NOCT |
STC | NOCT |
STC | NOCT |
STC | NOCT |
STC | NOCT |
| Max Power(Pmax/W) |
390 | 293.8 |
395 | 297.6 |
400 | 301.3 |
405 | 305.1 |
410 | 308.9 |
| Open Circuit Voltage(Voc/V) |
36.61 | 34.25 |
36.76 | 34.39 |
36.91 | 34.53 |
37.06 | 34.67 |
37.21 | 34.81 |
| Short Circuit Current(Isc/A) |
13.54 | 10.93 |
13.61 | 10.99 |
13.68 | 11.04 |
13.75 | 11.10 |
13.82 | 11.16 |
| Max Power Voltage(Vmp/V) |
30.88 | 28.36 |
31.04 | 28.57 |
31.20 | 28.79 |
31.36 | 29.00 |
31.52 | 29.21 |
| Module Efficiency(%) |
20.00% |
20.20% |
20.50% |
20.70% |
21.00% |
| Operating Temperature |
45±2ºC |
| Temp Coefficient (Pmax) |
-0.350%/ºC |
Detailed Images of Solar Panel
Packing & Delivery
Manufacturing Facility
Founded in 2013, we are a national high-tech enterprise integrating advanced technology and innovative capabilities. We specialize in the R&D, production, and sales of photovoltaic products, providing solutions and services for photovoltaic power stations and systems. Our state-of-the-art production line ensures high-quality products with a capacity of 3GW, including PERC and TOPCon modules. Our products are exported to more than 100 countries and regions.
Certification
Project Cases
Global Exhibition
Frequently Asked Questions
Why choose our solar panels and systems?
1. OEM supplier for top-tier brands.
2. Direct R&D manufacturer, ensuring cutting-edge technology.
3. Professional proposals and 100% testing before delivery.
4. 24/7 technical support for pre-sale and after-sale service.
5. User-friendly installation with detailed guides.
What is your innovation commitment?
We invest at least 10% of our annual revenue into product development and upgrading, ensuring we remain at the forefront of the industry.
What is your trade distribution?
Our business consists of 20% domestic trade and 80% international exports.
What is your annual production capacity?
Our annual production capacity exceeds 3GW.
What are your product warranty terms?
We offer a 12-Year Limited PV Module Warranty and a 30-Year Limited Power Output Warranty.
Which payment terms do you support?
We support multiple payment methods including Credit Card, Bank Transfer (T/T), and Letter of Credit (LC).
ConTech Solar
