Standard Size of One Solar Panel: 400W Monocrystalline Module

1. Product Overview

The size of one solar panel is a critical factor in designing efficient photovoltaic (PV) systems for residential, commercial, and industrial applications. Our 400W monocrystalline solar panel, model SP-400M, adheres to the standard size of one solar panel measuring 1722 mm × 1134 mm × 30 mm (length × width × thickness). This compact yet powerful dimension ensures optimal space utilization while delivering high energy output.

Engineered for international markets, this panel combines advanced PERC (Passivated Emitter and Rear Cell) technology with half-cut cell design, achieving up to 20.7% module efficiency. The precise size of one solar panel allows for seamless integration into rooftops, ground-mounted arrays, and solar farms. Whether you're scaling up for B2B projects or optimizing for export shipments, understanding the size of one solar panel helps in accurate logistics planning, racking compatibility, and system yield predictions.

Certified to IEC 61215, IEC 61730, and UL 1703 standards, our panels withstand harsh environmental conditions, including PID resistance and salt mist corrosion. With a 25-year linear power warranty and 12-year product warranty, this solar panel size sets the benchmark for reliability in global solar trade. Ideal for EPC contractors and wholesalers, it supports high-volume deployments without compromising on performance.

2. Key Features

• Optimized Size of One Solar Panel: Precisely 1722 × 1134 × 30 mm, balancing power density with easy handling and installation.
• High-Efficiency Monocrystalline Cells: 108 half-cut cells with PERC technology for superior low-light performance and minimal shading losses.
• Advanced Bifacial Potential: Optional bifacial design captures reflected light, boosting yield by up to 10% in reflective environments.
• Robust Framing: Anodized aluminum frame with 30 mm thickness enhances wind load resistance up to 5400 Pa front and 2400 Pa rear.
• Superior Encapsulation: Tempered glass (3.2 mm) and EVA/POE backsheet ensure long-term durability against UV, moisture, and thermal cycling.
• MC4-Compatible Junction Box: IP68-rated with bypass diodes for reliable connectivity and hot-spot protection.
• Anti-PID and Low LID: Minimizes power degradation, maintaining over 84.8% output after 25 years.

3. Technical Specifications

4. Application Scenarios

The standard size of one solar panel makes our 400W module versatile across diverse B2B applications. In residential rooftops, the 1722 × 1134 mm footprint fits standard tile and metal roof profiles, enabling 10-20 kW systems with minimal racking adjustments. For commercial buildings, this size optimizes array layouts on flat roofs, maximizing ground coverage ratio (GCR) for higher ROI.

In utility-scale solar farms, the size of one solar panel supports tracker systems like single-axis trackers, where uniform dimensions ensure precise alignment and reduced BOS (balance of system) costs. Ground-mounted installations benefit from the lightweight 20.5 kg design, easing crane-free deployment in remote areas.

Off-grid scenarios, such as agricultural pumps or telecom towers, leverage the compact size for hybrid systems. In floating solar projects, the panel's low profile and hail resistance (up to 25 mm hail at 23 m/s) perform reliably on water bodies. Export-oriented projects in Europe, Middle East, and Asia appreciate compliance with local grid codes, while the size facilitates container optimization—up to 720 panels per 40HQ.

Industrial parks and warehouses deploy these panels for peak shaving and self-consumption, where the predictable size of one solar panel simplifies CAD modeling and structural engineering.

5. Advantages

• Space-Efficient Design: The size of one solar panel delivers 400W in a footprint comparable to smaller modules, yielding 15-20% more power per square meter.
• Cost-Effective Scaling: Standardized dimensions reduce custom racking needs, lowering installation costs by 10-15% in large arrays.
• Enhanced Durability: Multi-busbar (MBB) technology minimizes microcracks, ensuring <0.55% annual degradation.
• Global Compatibility: Matches major inverter brands (e.g., Huawei, SMA) string lengths, optimizing MPPT utilization.
• Sustainable Manufacturing: Lead-free solder and recyclable materials align with ESG standards for international tenders.
• Performance Guarantee: Excellent temperature coefficient (-0.35%/°C) maintains output in hot climates like the Middle East.

6. Why Choose Us

As a leading OEM/ODM manufacturer in the solar industry, we specialize in high-quality monocrystalline panels with the precise size of one solar panel demanded by global buyers. Our state-of-the-art production lines in China feature automated stringers and EL testers, achieving <1% defect rates. With TUV-audited capacity exceeding 2GW annually, we ensure on-time delivery for bulk orders.

We offer customizable branding, third-party inspections (SGS, BV), and flexible MOQs starting at 100 kW. Our panels power projects in over 50 countries, backed by comprehensive technical support including shade analysis and yield simulations. Committed to Tier 1 standards, we provide bankable warranties and financing partnerships for EPCs. Partner with us for reliable supply chain, competitive FOB/CIF pricing, and panels that exceed the typical size of one solar panel in performance and value.

7. FAQ

What is the exact size of one solar panel in this model?
The size of one solar panel is 1722 mm in length, 1134 mm in width, and 30 mm in thickness, making it a standard residential/commercial dimension.

How does the size of one solar panel affect installation?
This optimized size ensures compatibility with most racking systems, reduces labor time, and fits standard pallets for shipping, minimizing logistics costs.

Is this solar panel suitable for high-wind areas?
Yes, certified for 5400 Pa front-side wind load, ideal for coastal and mountainous regions.

What is the power output variation due to the size of one solar panel?
The 20.7% efficiency in this compact size provides consistent 400W STC output, with low-light performance up to 98% of rated power.

Can I mix this with other brands considering the size of one solar panel?
Absolutely, the uniform size and voltage profile allow stringing with similar modules for balanced arrays.

What warranties cover the size and performance?
25-year linear power output (84.8% min) and 12-year product workmanship, including frame integrity.

How many panels fit in a 40ft container?
Up to 720 pieces, leveraging the efficient size of one solar panel for maximum payload.