Discover the future of efficient solar energy with our premium half size solar panels, engineered for superior performance in compact spaces. These innovative photovoltaic modules feature half-cut monocrystalline cells, delivering exceptional power output while occupying minimal footprint. Ideal for residential rooftops, commercial installations, and off-grid applications, half size solar panels reduce installation complexity and enhance energy yield per square meter.
Unlike traditional full-size panels, our half size solar panels measure approximately half the length of standard 72-cell modules, making them lighter, easier to handle, and perfectly suited for constrained mounting areas. With advanced multi-busbar (MBB) technology and tempered glass encapsulation, they achieve up to 22% efficiency, minimizing electrical losses and maximizing reliability. Whether you're optimizing urban solar arrays or powering remote sites, these panels provide a robust solution for sustainable energy generation.
Backed by rigorous testing to international standards like IEC 61215 and UL 1703, our half size solar panels ensure long-term durability against harsh weather, from PID resistance to salt mist corrosion. As a leading supplier in the international solar trade, we offer customizable options to meet diverse project needs, supporting global B2B partners in transitioning to clean energy.
| Parameter | Value |
|---|---|
| Model | HS-SP-400 | HS-SP-450 | HS-SP-500 |
| Power Output (Pmax) | 400W / 450W / 500W ±3% |
| Module Efficiency | 21.0% / 21.7% / 22.5% |
| Cell Type | Monocrystalline PERC, Half-Cut (144 cells) |
| Dimensions (L x W x H) | 1722 x 1134 x 30 mm |
| Weight | 20.5 kg |
| Front Glass | 3.2mm tempered glass with AR coating |
| Frame | Anodized silver aluminum alloy |
| Junction Box | IP68 rated, 3 diodes |
| Cable | 4mm², 300mm length (customizable) |
| Connectors | MC4 compatible |
| Operating Temperature | -40°C to +85°C |
| Max System Voltage | 1000V DC / 1500V DC |
| Wind Load / Snow Load | 2400Pa / 5400Pa |
| Certifications | IEC 61215, IEC 61730, UL 1703, CE, TUV |
| Warranty | 12 years product, 25 years linear power |
Half size solar panels excel in a variety of demanding environments, offering versatile solutions for B2B projects worldwide. In residential solar systems, their compact form factor fits perfectly on sloped roofs or balconies, enabling homeowners to generate substantial clean energy without structural modifications.

For commercial and industrial rooftops, these panels maximize array capacity on space-limited buildings, such as warehouses and factories, where every square meter counts. Their high efficiency ensures rapid ROI through elevated kWh production.
In off-grid and mobile applications, half size solar panels power RVs, boats, telecom towers, and remote monitoring stations. The lightweight design facilitates portable setups, while robust construction withstands vibrations and extreme climates.
Agricultural solar farms benefit from their shade tolerance, integrating seamlessly with agrivoltaic systems to support crop growth beneath panels. Ground-mounted installations leverage their modularity for scalable MW-scale projects.
Additionally, half size solar panels are ideal for urban microgrids and carports, where aesthetic integration and quick deployment are paramount, driving sustainable infrastructure development globally.
Opting for half size solar panels provides distinct competitive edges over conventional modules. The half-cut cell architecture inherently lowers current mismatch losses, resulting in 2-3% higher energy yield, particularly in partially shaded conditions common in real-world deployments.
With a reduced physical profile, these panels cut transportation and labor costs by up to 30%, as fewer workers can handle and install them safely. Their superior temperature coefficient (-0.35%/°C) maintains performance in hot climates, outperforming standard panels.
Environmental resilience is another hallmark: anti-PID technology prevents potential-induced degradation, ensuring stable output over decades. Bifacial options capture rear-side albedo for an additional 10-30% gain on reflective surfaces like white roofs.
From an economic standpoint, half size solar panels accelerate project timelines and lower LCOE (levelized cost of energy), making them a strategic choice for EPC firms and developers targeting Tier-1 banks' financing criteria.
As a trusted manufacturer with over 15 years in photovoltaic production, we specialize in high-quality half size solar panels tailored for international trade. Our state-of-the-art facilities in Asia employ automated lines adhering to ISO 9001 and ISO 14001 standards, guaranteeing batch-to-batch consistency.
We offer flexible MOQs, OEM/ODM services, and rapid prototyping to support your branding and customization needs. Global logistics networks ensure timely delivery to Europe, Americas, Africa, and beyond, with full documentation for seamless customs clearance.
Our R&D team continuously innovates, incorporating TOPCon and HJT cell upgrades for next-gen half size solar panels. Partner testimonials highlight our 99% on-time delivery and responsive technical support, fostering long-term B2B relationships.
Committed to sustainability, we prioritize recyclable materials and ethical supply chains, aligning with ESG goals for forward-thinking clients.
Q: What makes half size solar panels more efficient than full-size ones?
A: The half-cut cells halve the current per string, drastically reducing resistive losses and improving shade tolerance, yielding 2-5% more annual energy.
Q: Are half size solar panels suitable for all climates?
A: Yes, with wide temperature range (-40°C to +85°C) and certifications for hail, wind, and corrosion, they perform reliably from deserts to coastal regions.
Q: What is the typical lifespan of these panels?
A: Designed for 30+ years, backed by a 25-year linear warranty ensuring >80% output retention.
Q: Can half size solar panels be used in bifacial configurations?
A: Absolutely, our models support bifacial designs for enhanced ground-reflected energy capture.
Q: How do they integrate with existing inverters?
A: Standard MC4 connectors and voltage compatibility ensure plug-and-play with major string inverters like Huawei, SMA, and SolarEdge.
Q: What testing ensures their quality?
A: Panels undergo EL testing, flash testing, and third-party lab verification per IEC standards before shipment.
Q: Are custom sizes available for half size solar panels?
A: Yes, we provide tailored dimensions and power ratings for specific project requirements.