Mono Panel
LONGI Horizon 225W, 12V Solar System Panel (LR5-28HTH-225M)
Key Facts
| Category | Solar Panel |
|---|---|
| Brand | Longi |
| Capacity | 225W |
| Warranty | 20 years |
Features
- High-Efficiency Monocrystalline Cells: Utilizes advanced monocrystalline PERC (Passivated Emitter Rear Cell) technology, achieving an impressive module efficiency of 21.0%. This ensures maximum power generation even from a smaller surface area, crucial for space-constrained installations in Bangladesh.
- Half-Cut Cell Technology: Incorporates half-cut cell design, which reduces internal current and hot spot risks, enhancing overall panel performance, especially in partial shading conditions common in urban and rural settings. This also improves durability and extends the panel's lifespan.
- Excellent Low-Light Performance: Optimized for superior performance during cloudy days, mornings, and evenings, ensuring consistent energy production throughout the day, even under sub-optimal sun irradiation found in various parts of Bangladesh.
- Robust PID Resistance: Engineered with excellent Anti-PID (Potential Induced Degradation) performance, guaranteeing long-term power output stability and reliability under high temperature and humidity conditions, which are prevalent in Bangladesh.
- Durable & Weather-Resistant Construction: Features a sturdy anodized aluminum alloy frame and 3.2mm tempered glass, providing high resistance against harsh weather conditions including heavy rain, strong winds, and hail, ensuring longevity in the challenging climate of Bangladesh.
- Optimized for 12V Systems: With a Maximum Power Voltage (Vmp) of 18.5V, this panel is perfectly suited for charging 12V battery banks efficiently via an MPPT solar charge controller, making it ideal for standard off-grid solar systems in Bangladesh.
- MC4 Connectors: Equipped with industry-standard MC4 connectors for quick, secure, and reliable plug-and-play installation, simplifying the setup process for installers and DIY enthusiasts alike.
- Certified Quality: Manufactured under stringent quality controls and certified by international standards, ensuring safety, performance, and environmental compliance.
Product Details
| LONGI Horizon 225W, 12V Solar System Panel (LR5-28HTH-225M) | |
|---|---|
| Module Type | LR5-28HTH-225M |
| Cell Type | Monocrystalline PERC, Half-Cut |
| Number of Cells | 36 (equivalent to 72 half-cells) |
| Maximum Power (Pmax) | 225 W |
| Module Efficiency | 21.0% |
| Electrical Characteristics (STC - Standard Test Conditions) | |
| Open Circuit Voltage (Voc) | 22.5 V |
| Short Circuit Current (Isc) | 12.8 A |
| Maximum Power Voltage (Vmp) | 18.5 V |
| Maximum Power Current (Imp) | 12.16 A |
| Maximum System Voltage | 1000 V DC |
| Max Series Fuse Rating | 20 A |
| Mechanical Characteristics | |
| Dimensions (L x W x T) | 1580 mm x 808 mm x 35 mm |
| Weight | 15.0 kg |
| Front Glass | 3.2 mm tempered glass with anti-reflective coating |
| Frame | Anodized aluminum alloy |
| Junction Box | IP68 rated, 3 bypass diodes |
| Output Cables | 4.0 mm² (0.006 in²) , 300 mm (11.8 in) length, MC4 compatible connectors |
| Temperature Characteristics | |
| Operating Temperature | -40°C to +85°C |
| Pmax Temperature Coefficient | -0.35 %/°C |
| Voc Temperature Coefficient | -0.27 %/°C |
| Isc Temperature Coefficient | +0.048 %/°C |
| Warranty | |
| Product Warranty | 12 Years |
| Performance Warranty | 25 Years Linear Power Output (84.8% at 25 years) |
Ideal Applications in Bangladesh
The versatility and robust performance of the LONGI Horizon 225W, 12V Solar System Panel make it suitable for a wide array of applications across Bangladesh:
- Rural Electrification: Provide essential power to remote homes, schools, and health centers in areas without grid access, significantly improving quality of life.
- Off-Grid Homes & Cabins: Perfect for powering lighting, fans, small appliances, and charging devices in standalone residential systems.
- Small Shops & Kiosks: Ensure continuous operation of lights, mobile charging points, and small electronics for businesses in local markets.
- Agricultural Use: Power small irrigation pumps, remote sensors, and lighting for farms, contributing to increased productivity and efficiency.
- Street Lighting & Security Systems: Ideal for standalone solar street lights, CCTV cameras, and other security infrastructure in both urban and rural settings.
- Recreational Vehicles & Boats: A great choice for powering electrical systems in RVs, caravans, and small boats for travel and leisure.
- Backup Power Solutions: Integrate with existing grid systems to provide reliable backup power during load shedding or power outages, a common concern in many parts of Bangladesh.
Installation and Maintenance Guidelines
To ensure optimal performance and longevity of your LONGI Horizon 225W solar panel in Bangladesh, follow these guidelines:
- Professional Installation: It is highly recommended to have the solar panel installed by a certified solar technician. Proper installation ensures safety, maximizes efficiency, and validates warranty claims.
- Optimal Orientation: Install the panel facing south (in the Northern Hemisphere, which includes Bangladesh) at an angle that maximizes sun exposure throughout the year. The ideal tilt angle for Bangladesh is typically between 15-25 degrees.
- Shading Avoidance: Ensure the panel is free from any shading from trees, buildings, or other obstructions at all times of the day. Even partial shading can significantly reduce power output due to the half-cut cell technology's bypass diode function.
- Regular Cleaning: Periodically clean the panel's surface to remove dust, dirt, bird droppings, and other debris. A soft cloth with water is usually sufficient. Cleaning frequency may increase during dry seasons or in dusty environments prevalent in Bangladesh.
- System Compatibility: Always use a compatible 12V MPPT solar charge controller to efficiently charge your 12V battery bank. Ensure all components (inverter, battery) are correctly sized for your system.
- Cable & Connector Check: Regularly inspect cables and connectors for any signs of wear, corrosion, or damage. Ensure all connections are secure to prevent power loss and potential hazards.
Why Choose LONGI Solar Panels?
LONGI is a globally recognized leader in monocrystalline silicon products, committed to driving the solar industry forward with high-efficiency innovations. When you choose a LONGI solar panel, you're not just buying a product; you're investing in:
- Cutting-Edge Technology: LONGI consistently invests in R&D, bringing advanced technologies like PERC and half-cut cells to the market, ensuring higher efficiency and better performance.
- Uncompromising Quality: Strict quality control measures at every stage of manufacturing ensure that each panel meets the highest international standards for durability and reliability.
- Environmental Stewardship: LONGI is dedicated to sustainable manufacturing practices, contributing to a greener future globally and specifically in markets like Bangladesh.
- Global Trust: With a strong global presence and a reputation for excellence, LONGI panels are trusted by millions worldwide, from large utility-scale projects to residential installations.
LONGI Horizon 225W Solar Panel Price in Bangladesh
The LONGI Horizon 225W, 12V Solar System Panel offers exceptional value for its performance and durability. While prices can vary based on supplier, import duties, and market conditions, you can expect the LONGI Horizon 225W solar panel price in Bangladesh to be highly competitive, typically ranging from ৳10,000 to ৳11,500. This price point makes it an accessible and attractive option for individuals and businesses looking for a reliable 225W solar panel in Bangladesh.
We strive to offer the best price in Bangladesh, coupled with genuine products and excellent customer service. Keep an eye out for seasonal promotions and package deals that might include charge controllers, batteries, and inverters for a complete solar system solution.
Where to Buy LONGI Horizon 225W Solar Panel in Bangladesh
To ensure you receive a genuine LONGI Horizon 225W, 12V Solar System Panel with full warranty support, it is crucial to purchase from authorized dealers and reputable solar energy solution providers in Bangladesh. You can find this high-quality solar panel available near me through various trusted online e-commerce platforms and physical stores specializing in solar products across major cities like Dhaka, Chittagong, Sylhet, and Khulna.
Look for suppliers who offer:
- Authentic LONGI products with verifiable serial numbers.
- Comprehensive product and performance warranties.
- Expert installation services.
- Post-sales support and maintenance.
- Convenient delivery in Bangladesh, often reaching even remote areas.
Check our website or contact our customer support to find an authorized dealer or inquire about direct purchase and delivery options for the LONGI Horizon 225W solar panel in Bangladesh.
Frequently Asked Questions (FAQs)
Is the LONGI Horizon 225W suitable for my home in Bangladesh?
Yes, the LONGI Horizon 225W is an excellent choice for powering small to medium loads in homes, especially in off-grid locations or as part of a backup system. Its 12V optimization makes it ideal for standard residential battery banks. For larger energy needs, multiple panels can be connected in parallel or series, or higher wattage panels might be considered.
What kind of warranty comes with this solar panel?
The LONGI Horizon 225W, 12V Solar System Panel comes with a robust 12-year product warranty, covering manufacturing defects and material faults. Additionally, it features a 25-year linear power output warranty, guaranteeing that the panel will still produce at least 84.8% of its nominal power output by the end of 25 years.
Can I use this panel with a 24V battery system?
While the panel is optimized for 12V systems (Vmp of 18.5V), it can be used with a 24V battery bank if two identical panels are connected in series, effectively doubling the voltage. However, for a single 24V panel, you would typically look for a panel with a Vmp closer to 36-38V. Always use an appropriate MPPT charge controller that can handle the input voltage and convert it efficiently for your battery bank.
How does the half-cut cell technology benefit me?
Half-cut cell technology offers several advantages: it reduces resistive losses, improves performance in shaded conditions by allowing unaffected sections to continue producing power, lowers the risk of hot spots, and generally increases the panel's overall durability and efficiency over its lifespan. This translates to more consistent power generation for your solar system in Bangladesh.
What is the expected lifespan of this solar panel?
With its high-quality construction and LONGI's advanced technology, the Horizon 225W solar panel is designed for a long operational life. Backed by a 25-year linear power output warranty, you can expect it to perform effectively for well over two decades, providing reliable clean energy for your needs in Bangladesh.
