wholesale solar panels
Our wholesale solar panels are engineered for superior performance and reliability, making them the ideal choice for businesses, distributors, and large-scale installers worldwide. As a trusted
Wholesale Solar Panels
Product Overview
Our wholesale solar panels are engineered for superior performance and reliability, making them the ideal choice for businesses, distributors, and large-scale installers worldwide. As a trusted supplier in the international solar energy market, we provide high-efficiency monocrystalline photovoltaic (PV) modules ranging from 400W to 550W. These panels are manufactured using advanced PERC (Passivated Emitter and Rear Cell) technology, ensuring maximum power output even in low-light conditions.
Designed for both residential and commercial applications, our wholesale solar panels deliver exceptional durability with a robust aluminum frame and tempered glass front sheet, capable of withstanding harsh weather including high winds up to 2400Pa and snow loads up to 5400Pa. With a focus on sustainability, these panels are lead-free and RoHS compliant, supporting global green energy initiatives. Bulk purchasing through our wholesale program offers competitive pricing, flexible minimum order quantities (MOQ), and customized packaging for efficient international shipping.
Whether you're outfitting solar farms, rooftop systems, or off-grid solutions, our wholesale solar panels provide a proven return on investment through high energy yield and a linear power warranty guaranteeing at least 84.8% output after 30 years. Partner with us for scalable solar solutions that drive profitability and environmental responsibility.
Key Features
- High Module Efficiency: Up to 21.7% conversion efficiency, maximizing energy harvest from limited roof space.
- Advanced PERC Cell Technology: Enhances low-light performance and reduces temperature coefficient losses for consistent output in diverse climates.
- Superior Durability: Anodized aluminum alloy frame and 3.2mm tempered glass resist corrosion, hail, and extreme temperatures from -40°C to +85°C.
- Anti-PID and Salt Mist Resistance: Ideal for coastal or high-humidity installations, ensuring long-term reliability.
- Multi-Busbar (MBB) Design: Minimizes shading losses and improves mechanical load tolerance.
- Easy Installation: Pre-drilled frames and MC4-compatible connectors simplify deployment for wholesale buyers.
- Certifications: TUV, UL, CE, IEC 61215 & 61730 certified, meeting international standards for safety and performance.
Technical Specifications
| Model | Rated Power (Pmax) | Efficiency (%) | Dimensions (mm) | Weight (kg) | Open Circuit Voltage (Voc) | Short Circuit Current (Isc) | Module Temperature Coefficient (Pmax) |
|---|---|---|---|---|---|---|---|
| SP-400M | 400W | 20.3 | 1722 x 1134 x 30 | 20.5 | 49.5V | 10.85A | -0.35%/°C |
| SP-450M | 450W | 20.7 | 1722 x 1134 x 30 | 21.0 | 49.8V | 11.75A | -0.35%/°C |
| SP-500M | 500W | 21.3 | 2094 x 1134 x 30 | 25.2 | 50.2V | 13.20A | -0.35%/°C |
| SP-550M | 550W | 21.7 | 2278 x 1134 x 30 | 27.8 | 50.6V | 14.25A | -0.35%/°C |
Note: Specifications are STC (Standard Test Conditions: 1000W/m² irradiance, 25°C cell temperature, AM 1.5 spectrum). Tolerances: Power ±3%, Dimensions ±2mm.
Application Scenarios
Our wholesale solar panels excel in a wide array of deployment scenarios, catering to the diverse needs of B2B clients in the renewable energy sector. For commercial rooftops, their compact design and high efficiency make them perfect for space-constrained urban installations, generating substantial savings on electricity bills for office buildings, warehouses, and retail centers.
In large-scale solar farms and ground-mounted systems, the panels' robust construction supports utility-grade projects, enabling gigawatt-scale deployments with optimal land use. Off-grid applications, such as remote telecom towers, mining operations, and rural electrification, benefit from their reliable performance in extreme conditions, paired with compatible battery storage solutions.
Residential distributors can leverage our wholesale solar panels for custom home systems, while industrial parks utilize them for self-consumption to reduce peak demand charges. Floating solar projects on reservoirs also thrive with our anti-PID panels, minimizing water-induced degradation. These versatile modules integrate seamlessly with inverters, trackers, and monitoring systems from leading brands, ensuring future-proof installations.
Advantages
Choosing our wholesale solar panels means investing in technology that outperforms standard market offerings. With a bifaciality factor option available in select models, users can capture up to 30% additional rear-side generation, boosting overall yield in reflective environments like deserts or snow-covered areas.
Cost-effectiveness is paramount in wholesale purchasing: our panels offer one of the lowest levelized cost of energy (LCOE) due to high initial output and minimal degradation (less than 0.55% annually). The 12-year product warranty and 30-year linear performance guarantee provide peace of mind, backed by rigorous in-house testing simulating decades of exposure.
Environmental advantages include recyclable materials and a carbon footprint reduced by 90% compared to fossil fuels over the lifecycle. For exporters and importers, our panels comply with REACH, Prop 65, and other regional regulations, facilitating smooth customs clearance. Scalable production ensures consistent quality across millions of units, minimizing supply chain risks for your projects.
Why Choose Us
As a premier exporter of wholesale solar panels, we stand out with over 15 years of manufacturing expertise and Tier 1 bankability status. Our state-of-the-art facilities utilize automated production lines, achieving defect rates below 0.1%, far surpassing industry averages.
We prioritize B2B partnerships with tailored wholesale solutions, including volume discounts, private labeling, and just-in-time delivery to ports worldwide. Rigorous quality control at every stage—from silicon wafer selection to final electroluminescence testing—ensures each panel meets or exceeds global benchmarks.
Our commitment to innovation includes ongoing R&D in half-cut and shingled cell technologies, keeping your inventory ahead of market trends. With ISO 9001, ISO 14001, and OHSAS 18001 certifications, we deliver reliability you can trust for long-term collaborations.
FAQ
Q: What is the minimum order quantity (MOQ) for wholesale solar panels?
A: Our standard MOQ is 100 panels (one pallet), with flexibility for larger orders offering better pricing tiers.
Q: Do your wholesale solar panels come with warranties?
A: Yes, 12 years on product workmanship and 30 years on linear power output, with first-year degradation limited to 2%.
Q: Are customization options available for wholesale purchases?
A: Absolutely, including custom framing, junction box configurations, and palletizing for specific shipping requirements.
Q: What certifications do the panels hold?
A: IEC 61215/61730, UL 1703, CE, TUV, INMETRO, and MCS, ensuring compliance across major markets.
Q: How do these panels perform in hot climates?
A: Excellent, with a low temperature coefficient of -0.35%/°C, maintaining high output even at elevated temperatures.
Q: Can wholesale solar panels be used in bifacial configurations?
A: Yes, select models support bifacial applications, generating additional power from the rear side.