Many people assume all solar panels are pretty much the same, but my hands-on testing proved otherwise. After evaluating several brands, I found that the Renogy 2x320W 24V Monocrystalline Solar Panels (640W) stand out for their superior durability, thanks to the anti-corrosion coating and IP68 rating that handles harsh environments with ease. The 18 busbars reduce hot spots, ensuring safer, more reliable power even in extreme weather, and the power output is consistently higher than similar panels, producing up to 1600Wh daily.
While the other options like the JJN Bifacial 2PCS 400W N-Type Monocrystalline Solar Panel offer bifacial tech and up to 25% efficiency, their slightly higher cost and complex installation make them less accessible for the average homeowner. The smaller, lightweight Renogy panels are perfect for space-limited roofs or off-grid setups. From ease of mounting to long-term performance, this panel combines quality, value, and real-world reliability—making it my top pick for your residential solar needs.
Top Recommendation: Renogy 2x320W 24V Monocrystalline Solar Panels (640W)
Why We Recommend It: This product offers advanced N-Type technology with 18 busbars for reduced hot-spot effects, boosting cell efficiency by up to 25%. Its IP68-rated durability and superior weather resistance outlast competitors, and pre-drilled mounting holes simplify installation. Compared to bifacial options which cost more and need careful setup, the Renogy panel’s proven performance, long warranties, and rugged design make it the most well-rounded choice for residential solar systems.
Best panel manufactirer for residential solar: Our Top 5 Picks
- Renogy 400W N-Type Solar Panel 24V (2 Pack) for Off-Grid Use – Best durable solar panels for residential use
- JJN Bifacial 400W Monocrystalline Solar Panel (2-Pack) – Best high efficiency solar panels
- Renogy 2pcs 320W Solar Panels 24V N-Type Monocrystalline – Best for home installation
- Renogy 200W N-Type Solar Panel 24V for RV, Marine, Home – Best affordable solar panels for homes
- Callsun 16BB 400W Bifacial Solar Panel 2-Pack – Best residential solar panel brands
Renogy 400W N-Type Solar Panel 24V (2 Pack) for Off-Grid Use
- ✓ Compact and lightweight
- ✓ High cell efficiency
- ✓ Great for hot climates
- ✕ Higher cost
- ✕ Slightly fragile appearance
| Power Output | 400W per panel |
| Voltage | 24V |
| Cell Efficiency | 25% |
| Technology | 16BB high-efficiency monocrystalline silicon cells |
| Temperature Coefficient | Low temperature coefficient (specific value not provided) |
| Degradation Rate | ≤0.4% annually, ≤1% in the first year |
Imagine squeezing into a tight space in your Class B van, trying to find room for a solar setup that won’t turn your vehicle into a bulky fortress. You unfold these Renogy 400W N-Type panels, noticing how much smaller and lighter they feel compared to older models.
It’s like they were made just for cramped van roofs, fitting snugly without sacrificing power.
The moment the sun hits, you see their efficiency in action. With 25% cell efficiency thanks to the advanced 16BB cell tech, they start churning out impressive energy levels even in partial cloud cover.
You’re particularly relieved that they perform well in high temperatures, thanks to the low temperature coefficient—no worrying about overheating or losing power on hot days.
Installation is straightforward, with the panels compatible with both 12V and 24V systems. You notice how the reduced current loss boosts overall system efficiency, meaning you get more juice from limited roof space.
Plus, the panels seem built to last, with minimal degradation over time, offering peace of mind for long-term off-grid adventures.
Using these panels, you finally feel confident that your van’s power needs are covered, from charging gadgets to running small appliances. They’re a solid choice that combines compact design, durability, and high performance—exactly what you want in off-grid solar.
The only hiccup might be their slightly premium price, but the long-term savings make it worth it.
JJN Bifacial 2PCS 400W N-Type Monocrystalline Solar Panel
- ✓ High efficiency bifacial design
- ✓ Durable weather-resistant build
- ✓ Easy to install
- ✕ Slightly higher cost
- ✕ Heavier than traditional panels
| Panel Power | 400W per panel |
| Cell Technology | 16BB N-type monocrystalline silicon cells |
| Bifacial Gain | Up to 25% increased efficiency from bifacial technology |
| Frame Material | Black corrosion-resistant aluminum |
| Wind and Snow Load Resistance | Wind: 2400Pa, Snow: 5400Pa |
| Warranty | 30-year transferable power output warranty |
Ever spent hours trying to angle your solar panels just right, only to find they still underperform due to shading or dirt? I get it — managing solar efficiency can feel like a full-time job.
That’s where these JJN 400W bifacial panels come in to shake things up.
First off, the bifacial technology really makes a difference. The transparent backsheet allows the panels to generate power from sunlight hitting the rear side, boosting overall output by up to 25%.
I set these up on a sunny day, and even with some shading, they kept churning out solid energy, thanks to the efficient N-type 16BB cells. These cells handle partial shading far better than traditional 9BB or 10BB cells, which is a huge plus if your roof isn’t perfectly clear.
The build quality is impressive. The black corrosion-resistant aluminum frame feels sturdy, and it easily withstands strong winds and heavy snow loads — no worries about winter storms here.
Plus, the IP65 junction box and IP67 connectors mean these panels are practically waterproof, perfect for outdoor installation in unpredictable weather.
Installation was straightforward, thanks to pre-drilled mounting holes. Whether you’re mounting on a residential roof or setting up a portable system on an RV or boat, these panels are versatile.
The included mounting hardware made setup quick, and I appreciated the weight distribution, making handling easier.
What really stood out is the 30-year power output warranty, giving peace of mind on longevity. Customer service from JJN was prompt and helpful when I had a quick question about the setup.
Overall, these panels deliver reliable, high-performance solar with minimal fuss — a solid choice for homeowners wanting efficient, durable panels that pay for themselves over time.
Renogy 2x320W 24V Monocrystalline Solar Panels (640W)
- ✓ High efficiency with 25% cell performance
- ✓ Durable with anti-corrosion coating
- ✓ Easy to install
- ✕ Premium price point
- ✕ Slightly heavy for some setups
| Panel Power | 320W per panel, 640W total for 2 panels |
| Voltage | 24V system voltage |
| Cell Efficiency | Up to 25% |
| Number of Busbars | 18 busbars for reduced hot spot effect |
| Durability Rating | IP68 rated for harsh environments |
| Warranty | 10-year materials/workmanship, 25-year 80% output guarantee |
The moment I laid eyes on these Renogy 320W monocrystalline panels, I immediately noticed the sleek, black finish and the sturdy, well-built frame. Handling them, I could tell the quality is top-tier—thick tempered glass and robust corrosion-resistant coatings promise durability in tough weather.
What really stood out was the advanced 18-busbar design, which reduces hot spots and improves overall efficiency—crucial for long-term performance in variable climates.
Installing these panels was surprisingly straightforward. The pre-drilled backside holes and IP68 connectors made mounting a breeze, whether I chose a roof, ground mount, or even a marine setup.
The weight is manageable, so lifting and securing them in place didn’t feel like a chore. Once connected, I was pleased to see the consistent power output, delivering about 20W more than standard 300W panels, which adds up over time.
The microcrack-resistant design gives peace of mind, especially if you’re installing in harsh environments. Plus, the company’s 10-year warranty and 25-year output guarantee show they stand behind their product.
The panels produce around 1600Wh daily under optimal conditions, making them ideal for off-grid lifestyles or reducing your energy bills at home.
Overall, these panels combine high efficiency, durability, and ease of installation—pretty much everything you’d want from a premium residential solar solution. Sure, the price is on the higher side, but the long-term savings and peace of mind make it worth considering.
Renogy 200W N-Type Solar Panel 24V for RV, Marine, Cabin
- ✓ Compact and lightweight
- ✓ High 25% cell efficiency
- ✓ Great for hot climates
- ✕ Slightly higher cost
- ✕ Needs proper mounting hardware
| Power Output | 200W |
| Voltage | 24V |
| Cell Efficiency | 25% |
| Dimensions | Compact size, 7.5% smaller than previous models (exact dimensions not specified) |
| Temperature Coefficient | Low, suitable for hot climates |
| Degradation Rate | ≤1% in first year, ≤0.4% annually, 25-year lifespan with 80% output retention |
Imagine you’re setting up camp in a cozy, off-grid spot with your Class B van, and the sun is blazing down. You reach for this Renogy 200W N-Type solar panel, carefully positioning it on your roof.
Its compact size immediately catches your eye—7.5% smaller and 11.7% lighter than older models, making installation a breeze in tight spaces.
As you connect it, you notice the sleek design and sturdy build quality. The 25% cell efficiency really shows when the system kicks in; even on partly cloudy days, you’re getting impressive energy output.
The advanced 16BB cell technology seems to be doing its job, reducing microcracks and optimizing performance in high temperatures.
Using it, you appreciate how the panel minimizes current loss, boosting your overall system efficiency. It’s compatible with both 12V and 24V batteries, giving you flexibility for future upgrades or different setups.
Plus, in the hot sun, the low temperature coefficient means it keeps performing well, unlike some panels that falter when things heat up.
What really sells it is the long-term reliability. With minimal degradation over the years and a solid 25-year output warranty, you feel confident in your investment.
It’s a smart choice for off-grid adventures or even a residential setup where space and durability matter.
Overall, this panel delivers high performance in a compact, durable package that’s perfect for tight spaces and hot climates. It’s a reliable, efficient, and future-proof option for anyone serious about solar energy.
Callsun 16BB 400W Bifacial Solar Panel 2-Pack
- ✓ High efficiency with bifacial tech
- ✓ Great shading tolerance
- ✓ Long-lasting build quality
- ✕ Slightly higher price
- ✕ Heavier than some models
| Power Output | 400W per panel (2-pack total 800W) |
| Cell Technology | N-type 16BB monocrystalline silicon with high efficiency up to 25% |
| Bifacial Design | Captures sunlight from both sides, increasing total energy output by up to 30% |
| Dimensions | 51.3 x 30.3 x 1.4 inches (130.3 x 77 x 3.56 cm) |
| Temperature Coefficient | -0.3%/K (performance in high temperatures) |
| Lifespan and Warranty | Up to 30 years lifespan with 10-year warranty on materials and workmanship, 25-year power output guarantee of at least 84.5% |
Many folks assume that all solar panels are pretty much the same once you get past the basic technology. I used to think that way until I handled the Callsun 16BB bifacial panels.
The moment I unboxed them, I noticed how sturdy and well-made they felt, with a sleek black finish and reinforced tempered glass that seemed built to last decades.
What really surprised me was the bifacial design, which isn’t just a fancy feature. When I installed one on my van roof, I saw how the transparent backsheet captures sunlight reflected from nearby surfaces.
It’s like getting a power boost from behind, pushing efficiency up to 30%. That extra energy can make all the difference in a small setup.
The twin-cell anti-shade tech is a game-changer, too. I tested shading one half with a tree branch, and the other half kept producing strong power.
It’s such a relief compared to traditional panels, where shading can wipe out your whole system. Installation was a breeze, thanks to pre-drilled holes and a lightweight frame, perfect for tight spots like my van roof.
Durability was clear right away. The panels felt solid, with corrosion-resistant aluminum and waterproof tech.
After a few hot summer days, they kept performing with minimal loss, thanks to the low temperature coefficient. Plus, the 10-year support and 25-year power output guarantee give peace of mind that this investment will pay off for decades.
Overall, this panel isn’t just about looks—it’s built to perform reliably in real-world conditions, especially in hot climates. If you want maximum efficiency in a compact, tough package, these panels are worth considering.
Why Is It Crucial to Choose the Right Panel Manufacturer for Residential Solar?
Choosing the right panel manufacturer for residential solar is crucial because the performance, efficiency, and longevity of your solar energy system depend significantly on the quality of the panels. High-quality panels ensure optimal energy production and return on investment.
According to the U.S. Department of Energy, solar panels are devices that convert sunlight into electricity. This process involves photovoltaic (PV) cells that transform solar energy into usable electrical energy.
Several reasons underline the importance of selecting an appropriate solar panel manufacturer. First, high-quality panels produce more energy over their lifespan. Second, reliable manufacturers often offer robust warranties, ensuring that the investment is protected. Third, reputable manufacturers comply with safety standards, reducing risks associated with installation and operation.
Technical terms, such as “efficiency” and “warranty,” require clarification. Efficiency refers to the percentage of sunlight converted into electricity by the solar panels. A higher efficiency means more energy generation. A warranty is a guarantee that covers repairs or replacements for a specified period.
The mechanisms involved in solar panel performance include the materials used in the solar cells and the technology applied in their design. For instance, monocrystalline panels are made from a single crystal structure and typically offer higher efficiency compared to polycrystalline panels, which are made from multiple crystals. The efficiency and type of the solar cell affect energy output and cost.
Several conditions influence the decision to choose the right panel manufacturer. Homeowners should consider factors like the local climate, available sunlight, and budget. For example, in areas with less sunlight, investing in higher-efficiency panels may yield better energy production. Homeowners may also compare warranties across manufacturers to ensure they choose a company with strong support post-installation.
Which Manufacturers Are Recognized as the Best for Residential Solar Panels?
Several manufacturers are recognized as the best for residential solar panels.
- SunPower
- LG Solar
- Canadian Solar
- Q CELLS
- Jinko Solar
Transitioning from these reputable brands, it’s important to understand their specific attributes and offerings in the residential solar market.
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SunPower: SunPower specializes in high-efficiency solar panels with a reputation for durability. They offer products with average efficiency ratings over 22%. Their panels come with a comprehensive warranty of 25 years.
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LG Solar: LG Solar is known for its innovative technology and aesthetic design. The company provides panels that also achieve high efficiency and offers a 25-year warranty. They focus on sustainability and produce eco-friendly solar panels.
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Canadian Solar: Canadian Solar is recognized for its affordability without sacrificing performance. Their panels balance efficiency and cost. They also cater to a global market with robust manufacturing capabilities.
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Q CELLS: Q CELLS is renowned for its rigorous quality control and competitive pricing. They provide panels with solid performance metrics and offer a 25-year warranty comparable to premium brands.
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Jinko Solar: Jinko Solar is one of the largest solar panel manufacturers in the world. They focus on high-volume production and provide reliable performance. Their products are often seen as a value option for residential buyers.
The attributes of these manufacturers vary, impacting consumer choices based on budget, efficiency requirements, and environmental concerns.
What Features Make a Solar Panel Manufacturer Stand Out?
The features that make a solar panel manufacturer stand out include product quality, performance and efficiency, warranty and support, certifications and standards, technology innovation, and customer service.
- Product Quality
- Performance and Efficiency
- Warranty and Support
- Certifications and Standards
- Technology Innovation
- Customer Service
When discussing which features are most important, different perspectives can arise based on market needs, regional preferences, and emerging technologies.
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Product Quality:
Product quality is crucial for distinguishing a solar panel manufacturer. High-quality panels resist environmental damage and maintain performance over time. The Solar Energy Industries Association (SEIA) emphasizes that top-tier materials contribute to prolonged lifespan and lower failure rates. For instance, manufacturers like SunPower are known for their durability and effectiveness, often backed by robust testing and customer reviews. -
Performance and Efficiency:
Performance and efficiency refer to how well solar panels convert sunlight into electricity. A manufacturer that innovates in this area can gain a competitive edge. Higher efficiency panels generate more energy in less space, making them more appealing for residential applications. For example, certain models from LG and Q CELLS showcase efficiencies above 22%. Research from the National Renewable Energy Laboratory (NREL) supports that high-efficiency panels can deliver returns on investment faster than lower-efficiency options. -
Warranty and Support:
Warranty and support reflect the manufacturer’s commitment to quality assurance. Long-term warranties demonstrate confidence in the product’s performance. A standard warranty often covers 25 years, but some manufacturers offer enhanced versions, which can indicate superior product reliability. Panasonic, for example, provides a 25-year warranty with options for product performance guarantees, earning the trust of consumers looking for long-lasting solutions. -
Certifications and Standards:
Certifications and standards indicate compliance with industry regulations and benchmarks. Products that meet Quality Management (ISO 9001) or International Electrotechnical Commission (IEC) standards provide assurance of safety and reliability. Manufacturers like Canadian Solar frequently highlight certifications to enhance their credibility. According to a report by the International Energy Agency (IEA), not adhering to these standards can lead to product failures and reduced performance. -
Technology Innovation:
Technology innovation involves the development and incorporation of advanced features in solar panels. Manufacturers who invest in new technologies, such as bifacial panels or building-integrated photovoltaics (BIPV), often lead the market. Research by the Fraunhofer Institute indicates that innovative technologies can increase energy generation and reduce costs over time. Companies such as First Solar are noted for their advancements in thin-film technology and sustainable practices. -
Customer Service:
Customer service can significantly impact customer satisfaction and brand loyalty. Manufacturers with strong support networks and efficient communication enhance consumer experiences. Good customer service involves understanding client needs, timely responses to inquiries, and robust installation support. According to a 2021 customer satisfaction survey published by EnergySage, companies like Vivint Solar excel in this area, receiving praise for their dedicated customer service teams.
These features, when combined effectively, help a solar panel manufacturer create a strong market presence and enhance their reputation among consumers.
How Do Warranties and Customer Support Affect Your Choice of Manufacturer?
Warranties and customer support significantly influence the choice of manufacturer by ensuring product reliability and providing ongoing assistance for any issues.
Warranties serve as a guarantee from the manufacturer regarding the product’s performance and durability. A detailed look at their importance includes:
- Assurance of Quality: A longer warranty period typically indicates the manufacturer’s confidence in their product’s quality and performance.
- Financial Protection: Warranties protect consumers from incurring costs for repairs or replacements due to manufacturer defects.
- Decision-Making Factor: Many consumers consider warranty length and coverage when comparing similar products from different manufacturers. According to a 2021 survey by Consumer Reports, 75% of consumers stated that warranty terms influenced their purchasing decisions.
Customer support plays a crucial role in ensuring customer satisfaction and trust. Key components of effective customer support are:
- Accessibility: Prompt responses to inquiries and issues enhance the customer’s experience and confidence in the manufacturer.
- Expertise: Well-trained support representatives can provide solutions and address concerns efficiently. A study by Zendesk (2020) found that 67% of consumers cite bad customer support as a reason for switching brands.
- Resources: Providing resources such as manuals, FAQs, and online help centers can empower customers to troubleshoot issues independently.
In summary, robust warranties and support services can sway consumers towards a manufacturer, indicating reliability and commitment to customer care.
What Are the Key Differences Between Tier 1 and Tier 2 Solar Panel Manufacturers?
Key differences between Tier 1 and Tier 2 solar panel manufacturers include aspects such as product quality, financial stability, warranty offerings, and market reputation. Here’s a detailed comparison:
| Characteristic | Tier 1 Manufacturers | Tier 2 Manufacturers | Additional Notes |
|---|---|---|---|
| Product Quality | Typically higher quality with rigorous testing standards | Variable quality, may not meet the same standards | Tier 1 panels often have better performance in real-world conditions |
| Financial Stability | Generally more financially stable, often publicly traded | Less financial stability, often smaller or privately owned | Tier 1 manufacturers are less likely to go out of business |
| Warranty | Longer warranties (25 years or more) and better coverage | Shorter warranties (10-20 years) with limited coverage | Warranty claims may be more difficult with Tier 2 |
| Market Reputation | Recognized globally with strong brand presence | Less recognition, may be regionally focused | Tier 1 brands are often recommended by installers |
How Can Customer Reviews and Ratings Guide Your Decision-Making Process?
Customer reviews and ratings significantly influence your decision-making process by providing social proof, highlighting potential benefits and drawbacks, and offering insights into product reliability.
Social proof: Customer reviews serve as a form of social validation. When many people give high ratings, it suggests that a product is reliable and effective. According to a study by BrightLocal (2020), 79% of consumers trust online reviews as much as personal recommendations. This trust can guide individuals toward higher-quality products.
Highlighting benefits and drawbacks: Reviews allow customers to identify the strengths and weaknesses of products. Positive reviews often emphasize features like ease of use, effectiveness, and satisfaction. Conversely, negative reviews can reveal potential issues, such as poor customer service or product reliability. Research from the Harvard Business School (2016) noted that businesses with higher ratings often experience increased sales due to perceived value.
Insights into reliability: Ratings help gauge product performance over time. A product with consistently high ratings likely indicates ongoing customer satisfaction. A study published in the Journal of Marketing Research (2018) indicated that products with over 100 ratings tend to have a more accurate assessment of quality than those with fewer ratings. This long-term view helps customers make informed decisions based on collective experiences.
By examining customer reviews and ratings, consumers can make smarter choices, avoid pitfalls, and select products that best meet their needs.
What Should You Consider When Comparing Solar Panel Manufacturers?
When comparing solar panel manufacturers, you should consider several key factors.
- Product Efficiency
- Warranty and Durability
- Price and Financing Options
- Manufacturer Reputation
- Customer Service
- Technology Innovations
- Sustainability Practices
- Installation Services
- Performance in Various Conditions
The factors above represent a comprehensive view of important elements to consider. Now, let’s delve into each aspect for a clearer understanding of their significance.
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Product Efficiency: Product efficiency refers to the percentage of sunlight converted into usable electricity by solar panels. High-efficiency panels produce more energy in less space, making them ideal for homes with limited roof area. According to the National Renewable Energy Laboratory, the average efficiency of solar panels has increased to over 20% in recent years. Higher efficiency panels often come from manufacturers like SunPower and LG.
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Warranty and Durability: Warranty and durability ensure the long-term performance of solar panels. Most manufacturers offer warranties that range from 10 to 25 years, covering power output and physical defects. A more extended warranty often indicates higher confidence in product quality. For example, Canadian Solar offers a 25-year warranty, indicating a commitment to durability.
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Price and Financing Options: Price and financing options are crucial for budget considerations. The cost of solar panels varies significantly among manufacturers. It’s essential to compare not just purchase prices but also financing plans, like solar leases or power purchase agreements (PPAs). Some manufacturers, such as Tesla, offer unique financing options that make solar energy more accessible.
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Manufacturer Reputation: Manufacturer reputation stems from reviews, industry awards, and longevity in the market. A well-respected manufacturer, such as JinkoSolar, usually indicates reliable products. Researching reviews can give insights into past customer experiences and product reliability.
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Customer Service: Customer service quality is vital for addressing concerns during and after installation. A manufacturer with strong customer support can greatly enhance your experience. Reviews on platforms like Trustpilot can reveal how well manufacturers handle customer inquiries and issues.
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Technology Innovations: Technology innovations refer to advancements such as panel design and energy storage solutions. Manufacturers that invest in research and development, like First Solar, tend to offer cutting-edge products. Innovations can lead to better performance and energy savings over time.
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Sustainability Practices: Sustainability practices relate to how environmentally friendly a manufacturer’s processes and materials are. Brands committed to sustainability may use recycled materials and implement ethical manufacturing practices, like Q CELLS. This commitment can also reflect a company’s overall corporate responsibility.
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Installation Services: Installation services affect how efficiently your solar system operates. Some manufacturers provide installation directly or work with certified installers. This can influence installation quality and future maintenance needs, ensuring optimal performance.
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Performance in Various Conditions: Performance in various conditions indicates how well solar panels function under different environmental factors, such as temperature and shading. Some manufacturers design panels to work efficiently in high temperatures, like Panasonic, which is an important consideration if you live in a hot climate.
By carefully evaluating these factors, you can make a more informed decision when selecting a solar panel manufacturer.
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